DES C_Emergency (4) Prepared : CHILLY

A 65-year-old man presents to the emergency department with a two-day history of fever, headache, altered mental status, and vomiting. His past medical history is significant for renal transplantation secondary to polycystic kidney disease, hypertension, and diabetes. He takes aspirin, insulin, nifedipine, cyclosporine, and prednisone. He has no known drug allergies. His temperature is 39.2°C (102.5°F), pulse is 102/min, respirations are 18/min, and blood pressure is 120/75 mm Hg. He is alert but confused. Fundoscopy does not show any abnormalities. His neck is stiff. Lungs are clear to auscultation. He has a normal S1 and S2 with a II/IV systolic ejection murmur heard best in the right infraclavicular area. Complete blood count shows a WBC count of 17,000/cm3 with neutrophilic leukocytosis. His blood is drawn and sent for culture. Lumbar puncture is performed and the results are pending. Which of the following is the most appropriate empiric antibiotic therapy for this patient?
Ceftriaxone
Ceftriaxone and vancomycin
Ceftriaxone, vancomycin, and ampicillin
Ceftazidime and vancomycin
Cefotaxime and ampicillin
A 65-year-old man presents to the emergency department with an abrupt onset of excruciating chest pain 1 hour ago. The pain is localized to the anterior chest, but radiates to the back and neck. On examination, the patient is afebrile, with a BP of 210/110 mmHg, pulse rate of 95/min, and a respiratory rate of 12/min. He appears pale and sweaty. Unequal carotid, radial, and femoral pulses are noted. An electrocardiogram (ECG) shows nonspecific ST-T segment changes. Chest x-ray shows a slightly widened mediastinum and normal lung field. Which of the following is the first step in management of this patient?
Systemic anticoagulation
Placement of an intra-aortic balloon pump
Treatment with thrombolytic agents
Control of hypertension
Immediate operation
A 65-year-old woman brought into the ED by her family, states that she has been weak, lethargic, and saying “crazy things” over the last 2 days. Her family also states that her medical history is significant only for a disease of her thyroid. Her BP is 120/90 mmHg, HR is 51 beats per minute, temperature is 94°F rectally, and RR is 12 breaths per minute. On examination, the patient is overweight, her skin is dry, and you notice periorbital nonpitting edema. On neurologic examination, the patient does not respond to stimulation. Which of the following is the most likely diagnosis?
Apathetic thyrotoxicosis
Myxedema coma
Graves disease
Acute stroke
Schizophrenia
A 67-year-old Caucasian male is hospitalized in the intensive care unit (ICU) with an episode of prolonged hypotension and shortness of breath. His skin is cold and clammy. Intra-arterial blood pressure monitoring is established, and pulmonary artery catheterization is performed to control basic hemodynamic parameters. His blood pressure is 70/40 mmHg, and heart rate is 100/min. Cardiac output (CO) measured by thermodilution method is 2.3 L/min. Pulmonary capillary wedge pressure (PCWP) is estimated to be 22 mmHg. Systemic vascular resistance (SVR) calculated using data on mean arterial pressure, right atrial pressure and cardiac output is 2000 dynes*s/cm5 (N= 700 -1200 dynes*s/cm5). Which of the following is the most likely underlying problem in this patient?
Cardiogenic shock
Volume depletion
Septic shock
Volume overload
Right ventricular infarction
A 67-year-old man is brought to the ED by emergency medical service (EMS). His wife states that the patient was doing his usual chores around the house when all of a sudden he started complaining of severe abdominal pain. He has a past medical history of coronary artery disease and hypertension. His BP is 85/70 mm Hg, HR is 105 beats per minute, temperature is 98.9°F, and his RR is 18 breaths per minute. On physical examination, he is diaphoretic and in obvious pain. Upon palpating his abdomen, you feel a large pulsatile mass. An electrocardiogram (ECG) reveals sinus tachycardia. You place the patient on a monitor, administer oxygen, insert two largebore IVs, and send his blood to the laboratory. His BP does not improve after a 1-L fluid bolus. Which of the following is the most appropriate next step in management?
Order a CT scan to evaluate his aorta
Call the angiography suite and have them prepare the room for the patient
Order a portable abdominal radiograph
Call surgery and have them prepare the operating room (OR) for an exploratory laparotomy
Call the cardiac catheterization laboratory to prepare for stent insertion
A 67-year-old man is brought to the ED in respiratory distress. His initial vitals include an HR of 112 beats per minute, a BP of 145/88 mmHg, and an RR of 18 breaths per minute with an oxygen saturation of 92% on room air. He is also febrile at 102°F. After obtaining IV access, placing the patient on a monitor, and administering oxygen via nasal cannula, a chest radiograph is performed and shows patchy alveolar infiltrates with consolidation in the lower lobes. On review of systems, the patient tells you that he had five to six watery bowel movements a day for the last 2 days with a few bouts of emesis. Which of the following infectious etiologies is most likely responsible for the patient’s presentation?
Streptococcus pneumoniae
Mycoplasma pneumoniae
Haemophilus influenzae
Chlamydophila pneumoniae
Legionella pneumophila
A 67-year-old white male with a long history of bronchial asthma and chronic obstructive pulmonary disease (COPD) presents to the emergency room complaining of acute onset of shortness of breath for the last 30 minutes. He says that for the past 2 or 3 days he has been having some difficulty breathing and a productive cough with thick phlegm, but nothing as bad as the current episode. He also has a history of congestive heart failure after suffering a myocardial infarction for which he is taking furosemide and lisinopril. While talking to you in halting sentences, you note that he appears cyanotic, confused and are sweating profusely. He normally takes albuterol, ipratropium and budesonide inhalers for his breathing difficulties, but they have not relieved his current symptoms. On examination, he is found to be markedly dyspneic and his PaO2 is 55 mm Hg. A chest x-ray done in the ER is shown below. Which of the following is the most appropriate next step in the management of this patient?
Start intravenous theophylline
Place central venous line
Increase furosemide and start digoxin
Urgent thoracocentesis
Urgent bronchoscopy
A 67-year-old woman is brought to the ED by paramedics complaining of dyspnea, fatigue, and palpitations. Her BP is 80/50 mmHg, HR is 139 beats per minute, and RR is 20 breaths per minute. Her skin is cool and she is diaphoretic. Her lung examination reveals bilateral crackles and she is beginning to have chest pain. Her ECG shows a narrow complex irregular rhythm with a rate in the 140s. Which of the following is the most appropriate immediate treatment for this patient?
Diltiazem
Metoprolol
Digoxin
Coumadin
Synchronized cardioversion
A 67-year-old woman with a history of hypertension and congestive heart failure presents with “burning” epigastric pain that began 2 hours after eating a meal. She states that she has had similar pain over the past several weeks, and has been taking antacids and a medication that her primary care physician had prescribed with moderate relief. The pain has occurred with increasing frequency and now awakens her from sleep. She states she came to the ED today because the pain was not relieved with her usual medications. She denies nausea, vomiting, diarrhea, or fever. She also denies hematemesis, black stool, or bright red blood per rectum. On physical examination, she is tender at the epigastrium, with an otherwise normal abdominal, pulmonary, and heart examination. Stool guaiac tests positive for occult blood. Which of the following is the most common serious complication of peptic ulcer disease?
GI haemorrhage
GI perforation
GI penetration
Gastric outlet obstruction
Pernicious anemia
A 67-year-old woman with a history of steroid-dependent COPD, non–insulin-dependent diabetes, and hypertension presents to the ED with complaints of a painful, red, swollen left lower leg. She states she noted a “bug bite” in that area 1 week ago and since then has had gradually increasing symptoms. On examination, you note a 12 cm × 10 cm sharply demarcated area of blanching erythema, warmth, and tenderness on the medial thigh with ascending erythema to the groin. You also note tender adenopathy in the left inguinal region. Her BP is 90/55 mmHg, RR is 24 breaths per minute, HR is 105 beats per minute, temperature is 102.4°F, and pulse oxygenation is 98% on room air. Laboratory results reveal WBC 19,500/μL, hematocrit 39%, platelets 175/μL, sodium 132 mEq/L, potassium 3.5 mEq/L, chloride 100 mEq/L, bicarbonate 14 mEq/L, BUN 32 mg/dL, creatinine 1.7 mg/dL, and glucose 455 mg/dL. Serum lactate is 4.7 mmol/dL. Which of the following best describes her clinical state?
She has systemic inflammatory response syndrome (SIRS)
She has sepsis
She has severe sepsis
She is in septic shock
She has multiple organ dysfunction syndrome (MODS)
A 68-year-old male was intubated in the emergency room because of pulmonary edema. Stat echocardiogram reveals an ejection fraction of 45% and severe mitral regurgitation. In spite of aggressive diuresis with furosemide, the patient continues to require mechanical ventilation secondary to pulmonary edema. What is the best next step in treating this patient?
Arrange for mitral valve replacement surgery
Begin metoprolol
Place an intra-aortic balloon pump
Begin a second loop diuretic
Begin intravenous enalapril
A 69-year-old man is brought to the ER by his family for increasing confusion. At baseline the patient is interactive and pleasant, but he has become withdrawn and confused over the last several months. He has also complained of abdominal pain, nausea, vomiting and back pain over the same period of time. His medical history is significant for diabetes controlled with metformin and hypertension treated with hydrochlorothiazide. Exam reveals normal vital signs and a disheveled, confused man. His neurologic exam is otherwise normal. Examination of the heart and lungs is unremarkable and no neck masses or nodes are appreciated. Laboratory results are given below: Sodium 139 mEq/L, Potassium 4.2 mEq/L, Chloride 111 mEq/L, Bicarbonate 26 mEq/L, Creatinine 1.4 mg/dl, Glucose 142 mgldl, Calcium 12.8 mEq/L, WBC 3,200/mm3, Hematocrit 32%, Platelets 47,000/mm3. What is the most appropriate next step for this patient?
Hemodialysis
0.9% saline infusion
Pamidronate
Calcitonin
Furosemide
A 7 -year-old Caucasian male with a history of peanut allergy develops sudden shortness of breath after lunch at school. On physical examination, his blood pressure is 70/50 mmHg and his heart rate is 130/min. Inspirations and expirations are labored and noisy. Which of the following is the best initial treatment?
Albuterol nebulizer
Intravenous steroids
Subcutaneous epinephrine injection
Intravenous diphenhydramine
Endotracheal intubation
A 7-year-old boy was brought to the emergency department after falling onto his outstretched arm. He complains of pain in his left arm and refuses to move his arm at the elbow. On examination, the left arm is swollen, slightly pale, and edematous. His radial pulse is intact. The patient's radiograph is shown below. While the patient is waiting for the orthopedic resident on call to examine him, he continues to complain of increasing pain despite multiple doses of pain medication. Which of the following should you be most concerned about in this patient?
Displacement of the fracture
Brachial artery injury
Transient neuropraxia
Compartment syndrome
Narcotic abuse
A 7-year-old Caucasian boy with a history of cystic fibrosis presents to the emergency department with a two-day history of high-grade fever and cough productive of purulent, green-colored sputum. He also complains of chest pain, which is worsened by breathing. His temperature is 39.6°C (103.2°F), pulse is 112/min, respirations are 26/min, and blood pressure is 90/60 mm Hg. Chest examination shows dullness on percussion and increased tactile fremitus in the right lung base. Chest x-ray shows a right lower lobe infiltrate. Which of the following is the most appropriate pharmacotherapy for this patient?
Ceftriaxone and gentamicin
Piperacillin and tobramycin
Azithromycin
Piperacillin and ciprofloxacin
Dicloxacillin
A 70-year-old male with a history of mild chronic kidney disease, diabetes mellitus, and CHF is admitted to your inpatient service with decreased urine output, weakness, and shortness of breath. He takes several medications but cannot remember their names. Labs are pending; his ECG is shown below. Based on the information available, what is the best initial step in management?
Administration of intravenous insulin
Administration of intravenous calcium gluconate
Administration of oral sodium polystyrene sulfonate
Administration of intravenous 3% hypertonic saline
Administration of intravenous sodium bicarbonate
A 70-year-old man is admitted to the ICU after repair of an abdominal aortic aneurysm. He has a prior history of hypertension and mild congestive heart failure, which were adequately controlled with digoxin and diuretics. To facilitate perioperative management, a Swan-Ganz (multilumen pulmonary artery) catheter was inserted in the operating room. During the first few hours postoperatively, the patient is noted to have a blood pressure of 140/70 mmHg, heart rate of 110/min, flat neck veins, a pulmonary arterial wedge pressure of 9 mmHg, and poor urine output. Which of the following is the most appropriate next step in management of this patient?
IV furosemide
A dopamine infusion
A bolus of IV crystalloid
A nitroprusside infusion
IV digoxin administration
A 70-year-old man with a history of constipation has been experiencing intermittent left-sided abdominal pain and fevers for 2 days. He came to the emergency department immediately after he noticed blood in his toilet this morning. His heart rate is 110/min, blood pressure is 90/50 mm Hg, respiratory rate is 18/ min, and oxygen saturation is 95% on room air. On physical examination the physician notes copious amounts of bright red blood per rectum. The physician immediately places two large bore intravenous lines, administers fluid, and sends blood for type and screen. Which of the following is the best next step in management?
Arteriography
Colonoscopy
Endoscopy
Nasogastric tube aspiration
Surgical consultation
A 70-year-old woman is brought to the emergency department by her daughter because of altered mental status. She lives alone and is able to perform all daily activities. She experienced a minor febrile illness with decreased appetite several days ago, but has otherwise been in good health. She takes no medications. Her temperature is 37.2°C (99°F), blood pressure is 92/50 mm Hg, pulse is 100/min, and respirations are 18/min. Physical examination shows dry oral mucosa. Laboratory studies show: Hematocrit 45%, Serum sodium 147 mEq/L, Serum potassium 5.2 mEq/L, BUN 70 mg/dl, Serum creatinine 1.8 mg/dl. Which of the following is the most appropriate next step in management?
Intravenous colloids
Intravenous crystalloids
Order packed red blood cells
Intravenous antibiotics
Diuretics
A 70-year-old woman presents to the emergency department complaining of dizziness. She is disoriented to the date and her location and it is difficult to gather an accurate history. Her pulse is 48/min, blood pressure is 84/60 mmHg, and respiratory rate is 12/min. On examination her extremities are cool and clammy. Her capillary refill time is 5 seconds. What is the most appropriate therapy?
Amiodarone
Adenosine
Atropine
Isoproterenol
Metoprolol
A 71-year-old man is found lying on the ground one story below the balcony of his apartment. Paramedics bring the patient into the ED. He is cool to touch with a core body temperature of 96°F. His HR is 119 beats per minute and BP is 90/70 mmHg. His eyes are closed, but they open when you call his name. His limbs move to stimuli, and he answers your questions but is confused. On examination, you note clear fluid dripping from his left ear canal and an area of ecchymosis around the mastoid bone. Which of the following is the most likely diagnosis?
Le Fort fracture
Basilar skull fracture
Otitis interna
Otitis externa
Tripod fracture
A 71-year-old man with inclusion body myositis is brought to the emergency department from his nursing home after becoming less interactive. His temperature is 37.1°C, blood pressure is 90/60, heart rate is 98/min, and respiratory rate is 16/min. He has orthostatic vital signs. Physical examination reveals a frail man with dry oral mucosa and decreased axillary perspiration. Laboratory studies reveal the following: Sodium 164 mEq/L, Potassium 4.9 mEq/L, Bicarbonate 29 mEq/L, Chloride 122 mEq/L. What is the most appropriate next step in the management of this patient?
Oral free water
IV 5% dextrose in water
IV 0.9% saline
IV 5% dextrose in 04 5% saline
IV free water
A 71-year-old woman is brought to the physician by her distressed daughter. The daughter relates that, 3 days ago, her mother began to complain of right upper quadrant abdominal pain. She did not want to eat and "took to her bed sick." The daughter recalls that she complained of chills, nausea, and some vomiting. Physical examination reveals an obtunded, hypotensive, and obviously very sick elderly woman. She has impressive pain to deep palpation in the right upper quadrant, along with muscle guarding and rebound. Her temperature is 40C (104F), and laboratory analysis shows a white cell count of 22,000/mm3 with multiple immature forms, a bilirubin of 5 mg/dL and alkaline phosphatase of 840 U/L. The serum amylase is normal. An emergency sonogram shows multiple stones in the gallbladder, normal thickness of the gallbladder wall without pericholecystic fluid, dilated intrahepatic ducts, and common duct with a diameter of 2.1 cm. The sonographer cannot identify stones in the common duct. In addition to IV fluids and antibiotics, which of the following is the most appropriate next step in management?
Elective cholecystectomy
Emergency decompression of the common duct
Emergency transhepatic cholecystostomy
Emergency cholecystectomy
Emergency surgical exploration of the common duct
A 71-year-old woman presents to the ED after a reported mechanical fall 2 days ago. Her initial vitals include an HR of 55 beats per minute, a BP of 110/60 mmHg, an RR of 14 breaths per minute, and an oxygen saturation of 96% on room air. The patient does not appear to be taking deep breaths. Her physical examination is significant for decreased breath sounds bilaterally and tenderness to palpation along the right side of her chest. After initial stabilization, which of the following is the diagnostic test of choice for this patient’s condition?
Chest x-ray
Chest CT scan
ECG
Rib radiographs
Thoracentesis
A 72-year-old female is admitted to the ICU with severe chest pain. The initial set of cardiac enzymes is positive and her EKG reveals an anterior wall myocardial infarction. She receives treatment with aspirin clopidogrel, metoprolol nitroglycerine drip, and morphine. Two hours later, her telemetry monitor displays the following rhythm. Which of the following is the best next step in managing this patient?
Lidocaine
Immediate echocardiogram
Defibrillation
Digoxin
Amiodarone
A 72-year-old man has multiple injuries and an altered sensorium after a high-speed motor vehicle collision. He is intubated for his decreased mental status. During intubation, a large amount of gastric contents are noted in the posterior pharynx and he aspirates. Which of the following is the appropriate initial treatment?
Bronchoscopy for aspiration of particulate matter
Prophylactic antibiotics
Steroids
Inhaled nitric oxide
High positive end-expiratory pressure
A 72-year-old man presents to the ED during the month of January complaining of non-productive cough, fever, malaise, runny nose, and severe body aches. The symptoms came on suddenly last night. He has no other medical problems. Physical examination reveals a temperature of 38.9°C (102.0°F) and oxygen saturation of 88% on room air. His lung exam reveals diffuse crackles with occasional wheezes. Laboratory values are: Hematocrit 44%, Platelets 219,000/mm3, Leukocyte count 4,100/mm3, Neutrophils 65%, Lymphocytes 32%. His chest x-ray reveals diffuse interstitial infiltrates bilaterally. What is the most appropriate initial therapy for this patient?
Ganciclovir
Tenofovir
Oseltamivir
Valacyclovir
Nevirapine
A 72-year-old man presents to the ED with worsening dyspnea. His initial vitals include an HR of 93 beats per minute, BP of 110/50 mmHg, and RR of 20 breaths per minute with an oxygen saturation of 88% on room air. The patient appears thin and anxious. He is using accessory muscles to breathe. Despite distant breath sounds, you hear end-expiratory rhonchi and a prolonged expiratory phase. An ECG shows peaked P waves in leads II, III, and aVF. Given this patient’s history and physical examination, which of the following conditions does this patient most likely have?
Chronic bronchitis
Asthma
Emphysema
Congestive heart failure (CHF)
Pneumothorax
A 72-year-old man with atrial fibrillation presents with complaints of fatigue and feeling cold. He also notes constipation and dry skin. His daughter states he has seemed more forgetful over the past several months. His temperature is 37.3°C (99.1°F), heart rate is 48/min, and blood pressure is 130/82 mmHg. Cardiac examination shows bradycardia but normal rhythm, and normal S1 and S2 with no murmurs; the lungs are clear to auscultation bilaterally and the abdomen is soft and nontender. The patient’s extremities are cool and puffy with dry, coarse skin. Laboratory studies show a thyroid-stimulating hormone level of 32 μU/L, free thyroxine of 0.3 ng/dL, and total tri-iodothyronine of 30 ng/dL. What medication is the patient likely taking for his atrial fibrillation?
Amiodarone
Flecainide
Lithium
Methimazole
Sotalol
A 73-year-old man presents to the emergency department complaining of lower abdominal pain and nausea. He denies any vomiting or diarrhea, and his last bowel movement was two days ago. The patient also notes that several days ago he began taking amitriptyline for chronic neck pain. He does not smoke or consume alcohol. On physical examination, his blood pressure is 160/70 mmHg and his heart rate is 100/min. His lung fields are clear to auscultation. Palpation of the abdomen reveals fullness and tenderness along the midline below the umbilicus. Which of the following is the best initial management for this patient?
Abdominal CT scan
Upright abdominal x-ray
Barium enema
Broad spectrum antibiotics
Urinary catheterization
A 74-year-old man presents to the ED after being involved in a motor vehicle collision. He states he was wearing his seat belt in the driver’s seat when a car hit him from behind. He thinks his chest hit the steering wheel and now complains of pain with breathing. His RR is 20 breaths per minute, oxygen saturation is 98% on room air, BP is 145/75 mmHg, and HR is 90 beats per minute. On examination, you notice paradoxical respirations. Which of the following best describes a flail chest?
One rib with three fracture sites
Three adjacent ribs, each with two fracture sites
Two adjacent ribs, each with two fracture sites
One fractured right-sided rib and one fractured left-sided rib
Two fractured right-sided ribs and two fractured left-sided ribs
A 74-year-old woman who is a known diabetic is brought to the ED by emergency medical service (EMS) with altered mental status. The home health aide states that the patient ran out of her medications 4 days ago. Her BP is 130/85 mmHg, HR is 110 beats per minute, temperature is 99.8°F, and RR is 18 breaths per minute. On examination, she cannot follow commands but responds to stimuli. Laboratory results reveal white blood cell (WBC) count of 14,000/L, hematocrit 49%, platelets 325/L, sodium 128 mEq/L, potassium 3.0 mEq/L, chloride 95 mEq/L, bicarbonate 22 mEq/L, blood urea nitrogen (BUN) 40 mg/dL, creatinine 1.8 mg/dL, and glucose 850 mg/dL. Urinalysis shows 3+ glucose, 1+ protein, and no blood or ketones. After addressing the ABCs, which of the following is the most appropriate next step in management?
Begin fluid resuscitation with a 2- to 3-L bolus of normal saline; then administer 10 units of regular insulin intravenously
Begin fluid resuscitation with a 2- to 3-L bolus of normal saline; then administer 10 units of regular insulin intravenously and begin phenytoin for seizure prophylaxis
Administer 10 units of regular insulin intravenously; then begin fluid resuscitation with a 2- to 3-L bolus of normal saline
Order a computed tomographic (CT) scan of the brain; if negative for acute stroke, begin fluid resuscitation with a 2- to 3-L bolus of normal saline
Arrange for urgent hemodialysis
A 75-year-old Caucasian male who was diagnosed with carcinoma of the prostate presents to ER with worsening back pain for the past 2-3 days. He never had this pain before. He denies any weakness of the legs. On examination, his muscle power in the lower extremities is 4.5/5 and has brisk reflexes. Rectal sphincter tone is weak. He has point tenderness over the L5 and S1 region. His vital signs are, BP: 122/80 mm Hg, PR 80/min, RR 16/min and Temperature 37°C (98°F). What is the most appropriate next step in management of this patient?
Radiotherapy
Immediate MRI of spine
Intravenous dexamethasone
Decompression surgery of spine
CT myelogram
A 75-year-old man develops increased ventilatory requirements several days after requiring intubation for respiratory failure. X-ray of the chest shows bilateral infiltrates, and based on his ventilatory settings, the ratio of the partial arterial pressure of oxygen to the fraction of inspired oxygen (PaO2:FiO2) is 190. Which of the following is the most common underlying etiology of acute respiratory distress syndrome?
Aspiration of gastric contents
Lung or bone marrow transplantation
Drug overdose
Massive blood transfusion
Sepsis
A 75-year-old man is brought to the emergency department for severe pain in the left flank and back of 1 hour duration. He has a prior history of a myocardial infarction and coronary artery bypass grafting 8 years ago. On examination, he is found to have a BP of 80/50 mmHg, pulse rate of 110/min, respiratory rate of 15/min, and a pulsatile, tenderabdominal mass. He has had two large-bore IV lines placed by the paramedics. He is alert and oriented, and gives consent for surgery. Which of the following is the most appropriate next step in management of this patient?
Immediate consultation with cardiology to assess cardiac risk for surgery, followed by transfer to the operating room
Resuscitation in the emergency department with IV fluids, transfer to radiology for a CT scan to assess for the location and degree of rupture, followed by transfer to the operating room
Resuscitation in the emergency department with IV fluids to achieve a systolic BP greater than 100, followed by transfer to the operating room
Immediate transfer to the operating room with concomitant resuscitation and laparotomy
Resuscitation in the emergency department with IV fluids, transfer to radiology for immediate aortic angiogram for assessment of the location of the rupture, followed by transfer to the operating room
A 75-year-old man slips and falls at home, hitting his right chest wall against the kitchen counter. He has an area of exquisite pain to direct palpation over the seventh rib, at the level of the anterior axillary line. A chest x-ray film confirms the presence of a rib fracture, with no other abnormal findings. Which of the following is the most appropriate initial step in management?
Binding of the chest to limit motion
Open reduction and internal fixation to accelerate healing
Systemic narcotic analgesics
Supplemental oxygen to compensate for hypoventilation
Intercostal nerve block to minimize pain
A 75-year-old man with a history of coronary artery disease, hypertension, and diabetes mellitus undergoes a right hemicolectomy for colon cancer. On the second postoperative day, he complains of shortness of breath and chest pain. He becomes hypotensive with depressed mental status and is immediately transferred to the intensive care unit. After intubation and placement on mechanical ventilation, an echocardiogram confirms cardiogenic shock. A central venous catheter is placed that demonstrates a central venous pressure of 18 mm Hg. Which of the following is the most appropriate initial management strategy?
Additional liter fluid bolus
Inotropic support
Mechanical circulatory support with intra-aortic balloon pump (IABP)
Cardiac catheterization
Heart transplant
A 75-year-old woman is brought to the ED by EMS after she had a witnessed seizure on the street. A bystander reports that the patient fell to the ground, had tonic-clonic activity, and was drooling. Her BP is 162/85mmHg, HR is 95 beats per minute, temperature is 99.4°F, and RR is 16 breaths per minute. On examination, the patient is unresponsive and has a bleeding superficial scalp laceration. Which of the following electrolyte disturbances is least likely to cause a seizure?
Hypoglycemia
Hyperglycemia
Hyponatremia
Hypernatremia
Hypokalemia
A 75-year-old woman is brought to the emergency department after being found unresponsive at her home. She was last spoken to by her daughter on the phone 24 hours earlier, at which time she complained of chills, lethargy, and weakness. The woman has had a heart attack in the past, she has high blood pressure, and she had a total thyroidectomy performed a decade ago for cancer. The daughter had returned from several months out of town, and is unsure if the patient was taking her medications. Her temperature is 34.9°C (94.9°F), pulse is 48/min, blood pressure is 110/65 mmHg, oxygen saturation is 99% on 100% oxygen, and glucose is 85 mg/dL. On examination the patient is unresponsive, obese, and edematous with periorbital edema. Her cardiac and pulmonary examinations are normal. CT of the head reveals no signs of trauma or increased intracranial pressure, and ECG demonstrates no acute ischemic changes. Blood is drawn for laboratory testing. Which of the following is most appropriate for treating the patient’s mental status change?
Aspirin
Glucagon
Hemodialysis
Levothyroxine
Metoprolol
A 75-year-old woman is transferred to your ED from the local nursing home for fever, cough, and increasing lethargy. Over the past 3 days, the nursing home staff noticed increasing yellow sputum and decreasing urine output from the patient. Her BP is 118/75 mmHg, RR is 20 breaths per minute, HR is 105 beats per minute, temperature is 100.9°F, and pulse oxygenation is 94% on room air. On examination, auscultation of the lungs reveals bibasilar crackles. Laboratory results reveal WBC 14,500/μL, hematocrit 39%, platelets 250/μL, sodium 132 mEq/L, potassium 3.5 mEq/L, chloride 100 mEq/L, bicarbonate 18 mEq/L, BUN 27 mg/dL, creatinine 1.5 mg/dL, and glucose 85 mg/dL. Serum lactate is 4.7 mmol/dL. Chest radiography reveals bilateral lower lobe infiltrates. Based on this patient’s presentation, which of the following is the most likely diagnosis?
Hospital-acquired pneumonia (HAP)
Community-acquired pneumonia (CAP)
Ventilator-associated pneumonia (VAP)
Atypical pneumonia
Health care–associated pneumonia (HCAP)
A 76-year-old man presents to the ED in acute respiratory distress, gasping for breath while on face mask. Paramedics state that he was found on a bench outside of his apartment in respiratory distress. Initial vitals include an HR of 90 beats per minute, a BP of 170/90 mmHg, and an RR of 33 breaths per minute with an oxygen saturation of 90%. Upon physical examination, the patient is coughing up pink, frothy sputum, has rales two-thirds of the way up both lung fields, and has pitting edema of his lower extremities. A chest radiograph reveals bilateral perihilar infiltrates, an enlarged cardiac silhouette, and a small right-sided pleural effusion. After obtaining IV access and placing the patient on a monitor, which of the following medical interventions is most appropriate?
Morphine sulfate only
Nitroglycerin only
Nitroglycerin and a loop diuretic
Aspirin
Antibiotics
A 78-year-old woman is brought to the emergency department with agitation and insomnia. She screams out loudly and tries to run away while being examined. She is a nursing home resident and has a recent medical history that includes severe memory loss, gait disturbance and urinary incontinence. Her chronic medical issues include hypertension, diabetes mellitus, atrial fibrillation, peptic ulcer disease and chronic pyelonephritis. Her blood pressure is 160/100 mmHg and heart rate is 95/min and irregular. ECG reveals atrial fibrillation but no acute ischemic changes. Laboratory investigations reveal the following: Hematocrit 41%, WBC count 9,000/mm3, Platelets 160,000/mm3, Sodium 137 meq/L, Potassium 5.5 meq/L, Chloride 95 meq/L, Creatinine 1.4 mg/dl, BUN 25 mg/dl. Urinalysis shows trace protein, numerous leukocytes and occasional erythrocytes. Which of the following is the best initial treatment for this patient?
Heparin
Aspirin
Haloperidol
Lorazepam
Amitriptyline
A 79-year-old woman is brought to the emergency department due to a suspected cerebrovascular accident on her right side. She complains of diffuse paresthesias and tingling in her right hand. She did not lose consciousness. The physical examination reveals normal speech, symmetric deep tendon reflexes (2/4 on both upper extremities, 2/4 both patellar reflexes, and 0/4 both Achilles reflexes), a cold right hand, and undetectable arterial radial pulse. Tinel and Phalen's signs are negative. The rest of the examination is normal. What is the most appropriate next step in the management of this patient?
CT scan of the brain without contrast
MRI scan of the brain with diffusion images
Immediate vascular surgery consultation for intervention
Schedule for EMG, and nerve conduction studies
Doppler of the carotid arteries
A 9-month-old infant is brought to the emergency department with lethargy and tachypnea. He was healthy before developing fever and diarrhea four days ago. He has been taking some formula, but has had two to three episodes of diarrhea with each bottle. He has lost three pounds (1 .4 kg) since his routine check-up two weeks ago. He has had one wet diaper in the past twenty four hours. On examination, his temperature is 102.5F (39.1c), pulse is 200/min, respiratory rate is 42/min, and blood pressure is 70/45 mm Hg. He is lethargic with decreased tone and decreased deep tendon reflexes. His mucous membranes are dry. Cardiopulmonary exam reveals tachycardia and tachypnea. His abdominal exam is unremarkable. Capillary refill is four seconds. Laboratory results are shown below. Chemistry panel: Serum sodium 165 mEq/L, Serum potassium 4.5 mEq/L, Chloride 108 mEq/L, Bicarbonate 14 mEq/L, Blood urea nitrogen (BUN) 20 mg/dl, Serum creatinine 0.8 mg/dl, Calcium 10.0 mg/dl, Blood glucose 98 mg/dl. Which of the following fluids should be used as a bolus in the resuscitation of this infant?
0.9% saline
0.45% saline
5% dextrose
5% albumin
Packed red blood cells
A cirrhotic patient with abnormal coagulation studies due to hepatic synthetic dysfunction requires an urgent cholecystectomy. A transfusion of FFP is planned to minimize the risk of bleeding due to surgery. What is the optimal timing of this transfusion?
The day before surgery
The night before surgery
On call to surgery
Intraoperatively
In the recovery room
A couple presents to your office to discuss sterilization. They are very happy with their four children and do not want any more. You discuss with them the pros and cons of both female and male sterilization. The 34-year-old male undergoes a vasectomy. Which of the following is the most frequent immediate complication of this procedure?
Infection
Impotence
Hematoma
Spontaneous reanastomosis
Sperm granulomas
A family brings their 82-year-old grandmother to the emergency room stating that they cannot care for her anymore. They tell you, “She has just been getting sicker and sicker.” Now she stays in bed and won’t eat because of stomach pain. She has diarrhea most of the time and can barely make it to the bathroom because of her weakness. Her symptoms have been worsening over the past year, but she has refused to see a doctor. The patient denies symptoms of depression. Blood pressure is 90/54 mmHg with the patient supine; it drops to 76/40 mmHg when she stands. Heart and lungs are normal. Skin examination reveals a bronze coloring to the elbows and palmar creases. What laboratory abnormality would you expect to find in this patient?
Low serum Ca+
Low serum K+
Low serum Na+
Normal serum K+
Microcytic anemia
A father brings his 18-month-old daughter to the office for the evaluation of fever for the past 10 days. The father, who works as a phlebotomist, says that the temperature seems higher in the morning and again at night, often reaching 40.5C (105F), and is sometimes associated with shaking chills. He remembers that the child developed severe respiratory distress and skin rash when treated with penicillin in the past. He has heard about the development of 'liver toxicities' in children treated with aspirin, and he is interested in knowing everything about his daughter's condition. On examination, the child is in no acute distress. Her temperature is 39.4C (103F), pulse rate is 90/min, and blood pressure is 100/60 mmHg. Her sclerae are anicteric. There is bulbar conjunctival injection, and the oropharynx shows diffuse mucosal injection with fissuring and crusting of the lips. There are numerous hyperemic macules over her entire body, and her palms appear edematous. Based on the above description, which of the following is the most accurate statement?
Latex agglutination test is more accurate than streptococcal throat test in determining the etiology of this condition
Immediate desensitization & treatment with penicillin V will prevent further renal complications
Thrombocytopenia is an important marker in the second week of this illness
Acetaminophen is the drug of choice for alleviation of high temperatures in this child
She needs to be hospitalized and treated with intravenous immune globulin (IVIG) and aspirin
A 75-year-old woman with a history of diabetes and coronary heart failure presents to the emergency department because of increasing abdominal girth. In recent months she has been feeling increasingly fatigued, and although she has had decreased appetite, she has gained weight. Her heart rate is 100/min and blood pressure is 112/70 mm Hg. She has scleral icterus; the skin over her face, neck, and lower legs is slightly bronze in color; she has palmar erythema; and she has numerous ecchymoses over her body. Her abdominal examination is significant for ascites. Laboratory tests show: Aspartate transaminase: 102 U/L, Alanine transaminase: 97 U/L, Alkaline phosphatase: 300 U/L, Total bilirubin: 1.9 mg/dL, Albumin: 2.9 g/dL, Prothrombin time: 22 sec, Partial thromboplastin time: 42 sec. An ultrasound of her abdomen shows a shrunken and nodular liver. A liver biopsy using Perls Prussian blue stain is shown in the image. Which of the following is the most likely complication of her disease?
Acute pancreatitis
Amyloidosis
Bone marrow failure
Hepatocellular carcinoma
Splenomegaly
A full-term male newborn experiences respiratory distress immediately after birth. A prenatal sonogram was read as normal. An emergency radiograph is shown here. The patient is intubated and placed on 100% O2. Arterial blood gases reveal pH 7.24, PO2 60 kPa, and PCO2 52 kPa. The baby has sternal retractions and a scaphoid abdomen. Which of the following should be performed in the management of this patient?
Administration of intravenous steroids
Mechanical ventilation with low tidal volumes
Immediate laparotomy with repair of the diaphragm
Immediate thoracotomy with lung resection
Placement of bilateral tube thoracostomies
A fully immunized 2-year-old presents to the emergency room with several days of low-grade fever, barking cough, and noisy breathing. Over the past few hours he has developed a fever of 40°C (104°F) and looks toxic. He has inspiratory and expiratory stridor. The family has not noticed drooling, and he seems to be drinking without pain. Direct laryngoscopy reveals a normal epiglottis. The management of this disease process includes which of the following?
Inhaled epinephrine and oral steroids
Observation in a cool mist tent
Intubation and intravenous antibiotics
Oral antibiotics and outpatient follow-up
Inhaled steroids
A group of teenagers attend an indoor barbecue on a cold winter night. They all ate servings of potato salad and barbecue chicken. A few hours later, they present to the local emergency room with headache, nausea, vomiting, vague abdominal discomfort and confusion. One of the teenagers mentions a pet dog that was in the room with them had similar symptoms. A quick physical examination of one patient reveals tachycardia, tachypnea and a pinkish-skin hue. Which of the following is the most likely diagnosis?
Viral illness
Carbon monoxide poisoning
Acute gastroenteritis
Cyanide poisoning
Methemoglobinemia
A mother brings her 16-year-old daughter to the ER after she had two episodes of coffee ground emesis. The mother reports that for the past two weeks, the teen has not been acting like herself; she has been especially isolated and has had a poor appetite and poor sleep. Her medical history is significant for anemia, for which she takes iron sulfate and folic acid. She also takes acetaminophen for occasional back pain. Presently, the patient's blood pressure is 110/70 mmHg and heart rate is 120/min. Which of the following is most likely to establish the diagnosis?
Liver function tests
Serum iron level
Upper GI endoscopy
CT scan of the head
Serum acetaminophen level
A newborn infant becomes markedly jaundiced on the second day of life, and a faint petechial eruption, first noted at birth, is now a generalized purpuric rash. Hematologic studies for hemolytic diseases are negative. Acute management should include which of the following?
Liver ultrasound
Isolation of the infant from pregnant hospital personnel
Thyroid hormone assay
Discharge with an early follow-up visit in 2 days to recheck bilirubin
Urine drug screen on the infant
A patient at 17 weeks gestation is diagnosed as having an intrauterine fetal demise. She returns to your office 5 weeks later and her vital signs are: blood pressure 110/72 mm Hg, pulse 93 beats per minute, temperature 36.38C, respiratory rate 16 breaths per minute. She has not had a miscarriage, although she has had some occasional spotting. Her cervix is closed on examination. This patient is at increased risk for which of the following?
Recurrent abortion
Future infertility
Septic abortion
Ectopic pregnancies
Consumptive coagulopathy with hypofibrinogenemia
A patient involved in a high-speed automobile collision arrives in the emergency department unconscious, with multiple facial fractures; brisk bleeding into his nose, mouth, and throat; and gurgly, irregular, noisy breathing. Which of the following would be the best method to secure an airway in this patient?
Nasotracheal intubation with visualization of the cords
Orotracheal intubation with rapid anesthetic induction
Emergency tracheostomy done in the emergency department
Cricothyroidotomy done in the emergency department
Percutaneous transtracheal ventilation
A previously heathy 3-year-old boy is brought to the emergency department (ED) due to stridor of sudden onset. Last night, he suddenly developed a high fever followed by breathing difficulty. His temperature is 40C (104F), pulse is 130/min, and respirations are 40/min. In the ED, the child is toxic-appearing, sitting up, leaning forward and drooling. His lungs are clear, and oxygen saturation is 85% in room air. What is the most appropriate next step in management?
Admit the patient and start him on broad spectrum antibiotics
Start the patient on intravenous methylprednisolone
Start the patient on oral dexamethasone
Admit the patient and start him on nebulized racemic epinephrine
Endotracheal intubation with a set-up for tracheostomy
A severely traumatized woman is seen in the emergency room (ER) with decreased mental status. Prior to intubation, she does not open her eyes, withdraws with all of her extremities, and makes incomprehensible sounds. What is her Glasgow coma scale score?
3
4
5
6
7
A tall, thin 18-year-old man presents to the ED with acute onset of dyspnea while at rest. The patient reports sitting at his desk when he felt a sharp pain on the right side of his chest that worsened with inspiration. His past medical history is significant for peptic ulcer disease. He reports taking a 2-hour plane trip a month ago. His initial vitals include an HR of 100 beats per minute, a BP of 120/60 mmHg, an RR of 16 breaths per minute, and an oxygen saturation of 97% on room air. On physical examination, you note decreased breath sounds on the right side. Which of the following tests should be performed next?
Electrocardiogram (ECG)
Upright abdominal radiograph
D-dimer
Ventilation perfusion scan (V/Q scan)
Chest radiograph
A worried and anxious pregnant mother brings her 3-year-old son to the emergency room after he experienced several episodes of vomiting and abdominal pain for the past two hours. His vomit is coffee ground in appearance. He is irritable and lethargic. His blood pressure is 80/50mmHg and pulse rate is 120/min. Examination shows a normal oropharynx; chest auscultation is within normal limits. Abdomen is soft and mildly tender at the epigastrium; there is no hepatosplenomegaly. Extremities are cold to touch. Initial laboratory studies show: Hemoglobin 10.3 g/L, Leukocyte count 14,500/mm3, Bicarbonate 18 mEq/L. Chest x-ray is within normal limits. Abdominal imaging shows radio opaque tablets in the stomach. Intravenous normal saline is started. Which of the following is the most appropriate next step in management?
Sodium bicarbonate
Deferoxamine
Magnesium sulphate
Hemodialysis
Calcium EDTA
A young mother is at the pediatrician's office for a routine well-baby visit for her 18-month-old son. It is immediately noticed that one of the baby's pupils is white, while the other one is black. When asked about it, the mother relates that she saw that curious situation for the first time 1 week ago, but since the baby was otherwise asymptomatic, she did not think it merited special attention. Which of the following is the most appropriate course of action?
Do nothing, this is a normal anatomic variant
Inquire if the father is an albino, and do appropriate genetic counseling
Seek an emergency ophthalmologic consultation for possible retinoblastoma
Treat the child with antibacterial eye drops and re-check in 2 weeks
Seek an ophthalmologic consultation for suspected congenital cataract
After being fired from his job, a 35-year-old man attempts suicide by drinking from a bottle labeled “insecticide.” Three hours later, emergency medical services (EMS) brings him into the emergency department (ED) and you notice that he is extremely diaphoretic, drooling, and vomiting. He is awake but confused. His vital signs include a blood pressure (BP) of 170/90 mmHg, heart rate (HR) of 55 beats per minute, respiratory rate (RR) of 22 breaths per minute, temperature of 98.6°F, and oxygen saturation of 95% on room air. Physical examination demonstrates pinpoint pupils and crackles and wheezing on lung examination. What is the treatment to reverse this patient’s poisoning?
Naloxone
N-acetylcysteine (NAC)
Atropine and pralidoxime (2-PAM)
Flumazenil
Physostigmine
An 18-month-old infant is found with the contents of a bottle of drain cleaner in his mouth. Which of the following treatment options is most appropriate?
Immediate emesis
Endoscopic examination within the first 12 to 24 hours
Have the patient drink copious amounts of milk or water
Neutralization by drinking a solution of the opposite pH
Decontamination by activated charcoal
An 18-year-old G1 at 8 weeks gestation complains of nausea and vomiting over the past week occurring on a daily basis. Nausea and emesis are a common symptom in early pregnancy. Which of the following signs or symptoms would indicate a more serious diagnosis of hyperemesis gravidarum?
Hypothyroidism
Hypokalemia
Weight gain
Proteinuria
Diarrhea
An 18-year-old man presents to the ED after getting stabbed in his abdomen. His HR is 140 beats per minute and BP is 90/40 mmHg. He is yelling that he is in pain. Two large-bore IVs are inserted into his antecubital fossa and fluids are running wide open. After 2 L of fluids, his BP does not improve. Which of the following is the most common organ injured in stab wounds?
Liver
Small bowel
Stomach
Colon
Spleen
An 18-year-old woman develops urticaria and wheezing after an injection of intravenous contrast for an abdominal CT scan. Her blood pressure is 120/60 mm Hg, heart rate is 155 beats per minute and respiratory rate is 30 breaths per minute. Which of the following is the most appropriate immediate therapy?
Intubation
Epinephrine
β-Blockers
Iodine
Fluid challenge
An 18-year-old woman is brought to the ED by her mother. The patient is diaphoretic and vomiting. Her mom states that she thinks her daughter tried to commit suicide. The patient admits to ingesting a few handfuls of acetaminophen (Tylenol) approximately 3 hours ago. Her temperature is 99.1°F, BP is 105/70 mmHg, HR is 92 beats per minute,RR is 17 breaths per minute, and oxygen saturation is 99% on room air. On examination, her head and neck are unremarkable. Cardiovascular and pulmonary examinations are within normal limits. She is mildly tender in her right upper quadrant, but there is no rebound or guarding. Bowel sounds are normoactive. She is alert and oriented and has no focal deficits on neurologic examination. You administer 50 g of activated charcoal. At this point, she appears well and has no complaints. Her serum acetaminophen (APAP) concentration 4 hours after the reported time of ingestion returns at 350 μg/mL. You plot the level on the nomogram seen below. Which of the following is the most appropriate next step in management?
Discharge home with instructions to return if symptoms return
Observe for 6 hours and, if the patient still has no complaints, discharge her home
Repeat the acetaminophen level 4 hours after the patient arrived in the ED. Treat only if this level is above the line
Admit to the psychiatry unit and keep on suicide watch while performing serial abdominal examinations
Begin NAC and admit to the hospital
An 18-year-old woman presents to the emergency department with acute mental status changes, rapid and deep breathing, abdominal pain, and vomiting. On examination she is tachypneic and tachycardic, her abdomen is soft and nontender, and her mucous membranes are dry. Laboratory values are notable for a potassium level of 5.5 mEq/L, bicarbonate of 12 mEq/L, and serum glucose of 400 mg/dL. Which of the following is the most appropriate strategy during the first 24 hours?
Diuresis and ventilatory support
Diuresis, strict potassium restriction, and insulin
Intravenous fluids, loop diuretic, and potassium
Intravenous fluids, insulin, and strict potassium restriction
Intravenous fluids, insulin, and potassium
An 18-year-old woman presents to the emergency departmentfor right lower quadrant abdominal pain. The pain started suddenly with a sharp, stabbing pain. The patient denies nausea, vomiting, diarrhea, and constipation. Her last menstrual period (LMP) was 6 weeks ago. Vital sign: BP, 115/75 mm Hg; P, 82 beats/min; R, 12 breaths/min; T, 98.6°F. Physical examination: Gen: Awake, alert, oriented x3, mild pain distress, CVS: Normal, Lungs: Clear bilaterally, Abd: Tender in right lower quadrant (RLQ), rebound tenderness present, nondistended, bowel sounds present. Which of the following is the next best step in the management of this patient?
Complete blood count (CBC)
Urine beta-human chorionic gonadotropin (BHCG)
Computed tomography (CT) scan
Ultrasound
Abdominal radiography
An 8-month-old male infant is brought to the emergency department (ED) by his mother due to vomiting and a decreased urine output. Three days ago, he had a fever, sore throat and ear pain. He was subsequently diagnosed with otitis media and treated with oral amoxicillin. Today, in the ED, his temperature is 40.0C(104F), pulse is 80/min, respirations are 40/min and irregular, blood pressure is 100/60 mm Hg, and weight is 8kgs ( 15 lbs). He is lethargic and arousable only to painful stimuli. His anterior fontanel is full and tense. His tympanic membranes are red and bulging. His pupils are reactive, but his eyes do not focus well on his parents. What is the most appropriate next step in the management of this patient?
Lumbar puncture
Start cefotaxime
Start intravenous amoxicillin
CT scan of the brain
MRI of the brain
An 8-year-old boy from an impoverished inner- city area has never been vaccinated appropriately. He develops fever, cough, and coryza. The next day, blue white spots develop on the buccal mucosa. On the third day, an erythematous, nonpruritic maculopapular rash develops on the face and spreads over the entire body. Which of the following is the most likely complication?
Pneumonia
Encephalitis
Otitis media
Bronchitis
Mastoiditis
An 81-year-old man is brought to the hospital due to complaints of very severe pain in his back and thighs. Seven months ago, he was diagnosed with stage IV prostate cancer which reached the spine. He has had palliative radiotherapy of his spine, and is now taking leuprolide. He is restless and very irritable, even after the nursing home staff gave him ibuprofen. He has never received any narcotics. What is the best next step in this patient's pain management?
Give high dose NSAIDs
Start with short-acting morphine
T ransdermal fentanyl patch
Long-acting opiates
Repeat radiotherapy
An 81-year-old nursing home resident is brought to the hospital because of altered mental status for the past day. Her husband states that she was in her usual state of health yesterday. He states she had a “coughing fit” after he fed her dinner last night. Her past medical history is significant for noninsulin-dependent diabetes mellitus and cerebral vascular accident that had left her with some residual dysarthria. Her blood pressure is 95/55 mm Hg, pulse is 97/min, and respirations are 19/min. Her temperature is 38.3 C (101.0 F) and oxygen saturation is 94% on room air (corrects to 99% with 4 liters of oxygen). She is awake, minimally responsive, and in no respiratory distress. On her lung examination you note localized rales at the right lower lung field. You suspect aspiration pneumonia and place an intravenous line and obtain a chest x-ray. The x-ray shows a right-sided consolidation that obscures the right heart border. Which of the following is the most appropriate course of management?
Administer a high dose of corticosteroids and admit to hospital
Administer intravenous clindamycin and admit to hospital
Administer a high dose of intravenous penicillin and admit to hospital
Arrange for immediate bronchoscopy
Prescribe oral clindamycin and oxygen therapy and discharge to nursing home
An 81-year-old woman is brought to the ED by her children who state that the patient is acting more tired than usual, has had fever for the last 2 days, and is more confused. Ordinarily, the patient is high functioning: she is ambulatory, cooks for herself, and walks on a treadmill 30 minutes a day. Her vital signs are BP 85/60 mmHg, HR 125, RR 20, temperature 101.3°F, and pulse oxygenation 97% on room air. On examination, the patient has dry mucous membranes but is otherwise unremarkable. She is oriented to person and place but states that the year is 1925. Her laboratory results show a WBC 14,300/μL, hematocrit 31%, and platelets 350/μL. Her electrolytes are within normal limits. Blood glucose is 92 mg/dL. A chest radiograph does not show any infiltrates. Urinalysis reveals 2+ protein, trace ketones, WBC > 100/hpf, red blood cell (RBC) 5 to 10/hpf, nitrite positive, and leukocyte esterase positive. After administering a 500-cc normal saline fluid bolus and broad-spectrum antibiotics through her peripheral IV line, the patient’s BP is 82/60 mmHg. You suspect that the patient is in septic shock due to an acute urinary tract infection. Which of the following is the next most appropriate course of action to manage this patient with earlygoal-directed therapy (EGDT)?
Immediately start a norepinephrine infusion to increase the blood pressure given the low systolic blood pressure
Prepare to transfuse uncrossed matched packed RBC to increase oxygen-carrying capacity given the low hematocrit
Place a central venous line into the right internal jugular vein to measure central venous pressure (CVP)
Transport the patient to radiology for a stat CT scan of her head given the acute change in mental status
Place a central venous line into the right internal jugular vein to measure mixed venous oxygen saturation (SVO2)
An 81-year-old woman presents to the ED after tripping over the sidewalk curb and landing on her chin causing a hyperextension of her neck. She was placed in a cervical collar by paramedics. On examination, she has no sensorimotor function of her upper extremities. She cannot wiggle her toes, has 1/5 motor function of her quadriceps, and only patchy lower extremity sensation. Rectal examination reveals decreased rectal tone. Which of the following is the most likely diagnosis?
Central cord syndrome
Brown-Sequard syndrome
Anterior cord syndrome
Transverse myelitis
Exacerbation of Parkinson disease
An 81-year-old woman presents to the ED with acute onset of shortness of breath just before arrival. She refuses to answer questions for the interview, but repeatedly states that she is feeling short of breath. Her initial vitals include an HR of 89 beats per minute, a BP of 168/76 mmHg, and an RR of 18 breaths per minute with an oxygen saturation of 89% on room air. A portable chest x-ray appears normal. Her physical examination is unremarkable, except for a systolic ejection murmur. Intravenous (IV) access is successfully obtained. After placing the patient on oxygen and a monitor, which of the following should be performed first?
Evaluation of troponin level
Evaluation of D-dimer level
Rectal temperature
Repeat chest x-ray
ECG
An 82-year-old white female is admitted to the hospital for observation after presenting to the emergency department with dizziness. After being placed on a cardiac monitor in the ER, the rhythm strip below was recorded. There is no past history of cardiac disease, diabetes, or hypertension. With prompting, the patient discloses several prior episodes of transient dizziness and one episode of brief syncope in the past. Physical examination is unremarkable. Which of the following is the best plan of care?
Reassurance. This is a benign condition, and no direct therapy is needed
Reassurance. The patient may not drive until she is symptom free, but otherwise no direct therapy is needed
Begin therapy with aspirin
Arrange placement of a permanent pacemaker
Nuclear cardiac stress testing; treatment depending on results
An 84-year-old man presents to the ED with his family due to concerns that his condition is worsening despite being placed on levofloxacin for a urinary tract infection 5 days ago by his primary care physician. His is obtunded and unable to give any additional history. Physical examination does not reveal the source of infection. His BP is 84/45 mmHg, HR is 135 beats per minute, temperature is 102.8°F, and his RR is 28 breaths per minute. Laboratory results reveal WBC 24,500/μL, hematocrit 19%, platelets 90/μL, sodium 132 mEq/L, potassium 7.5 mEq/L, chloride 100 mEq/L, bicarbonate 12 mEq/L, BUN 37 mg/dL, creatinine 6.5 mg/dL, and glucose 255 mg/dL. Serum lactate is 11.3 mmol/dL. Cardiac enzymes and troponin are mildly elevated, and he has hyperacute T-waves on electrocardiogram (ECG). His chest radiograph shows cardiomegaly with bilateral patchy opacities and pulmonary vascular congestion. Rapid urinalysis reveals 3+ WBCs and blood and nitrates. You secure his airway with intubation, initiate broad-spectrum antibiotics, IV fluids, and other supportive therapies, and emergently consult nephrology, cardiology, and pulmonology. Which of the following best describes his clinical state?
He has SIRS
He has sepsis
He has severe sepsis
He is in septic shock
He has MODS
An 84-year-old woman with coronary artery disease, congestive heart failure, peripheral vascular disease, and atrial fibrillation presents to the emergency department with dizziness, weakness, and sudden-onset crampy periumbilical pain. The pain is associated with one episode of diarrhea and one episode of emesis. The patient notes she has been having similar pain after meals for “several months” but never this severe. Her temperature is 37.2°C (98.9°F), heart rate is 135/min, blood pressure is 96/60 mm Hg, and respiratory rate is 16/min. Physical examination is notable for a slightly distended abdomen that is extremely tender to palpation with diminished bowel sounds. There is no rigidity or rebound tenderness noted on the abdominal examination. In addition, the patient has heme positive stool. Her WBC count is 19,500/mm³, hemoglobin is 10.9 g/dL, and platelet count is 159,000/mm³. Liver function testing results are normal. After stabilizing the patient, what is the best next step in management?
Barium enema
Colonoscopy
Laparotomy
Obstruction series
Warfarin therapy
An 87-year-old man is brought to the ED on a long board and in a cervical collar after falling down a flight of steps. He denies losing consciousness. On arrival, his vital signs include an HR of 99 beats per minute, BP of 160/90 mmHg, and RR of 16 breaths per minute. He is alert and speaking in full sentences. Breath sounds are equal bilaterally. Despite an obvious right arm fracture, his radial pulses are 2+ and symmetric. When examining his cervical spine, he denies tenderness to palpation and you do not feel any bony deformities. Which of the following is a true statement?
Epidural hematomas are very common in the elderly age population
Cerebral atrophy in the elderly population provides protection against subdural hematomas
Increased elasticity of their lungs allows elderly patients to recover from thoracic trauma more quickly than younger patients
The most common cervical spine fracture in this age group is a wedge fracture of the sixth cervical vertebra
Despite lack of cervical spine tenderness, imaging of his cervical spine is warranted
An asymptomatic young adult was brought to the ED by a police officer after his home was raided. The patient swallowed five small packets of an unknown substance before being arrested. His BP is 125/75 mmHg, HR is 85 beats per minute, temperature is 98.7°F, and RR is 16 breaths per minute. Physical examination is unremarkable. An abdominal radiograph confirms intraluminal small bowel densities. Which of the following is the most appropriate treatment?
Magnesium citrate
Gastric lavage
Activated charcoal and polyethylene glycol
Syrup of ipecac
NAC
An infant is born at terrn to a 27-year-old Caucasian female. The prenatal course was uncomplicated. The amniotic fluid is clear. Immediately after the delivery, the infant starts crying and is moving all four extremities actively. Heart rate is 140/min. He is making a grimace on the attempt to put the suction catheter into his nostrils. His body is pink, but extremities are cyanotic. Which of the following is the next best step in the management of the infant?
Intubate the child
Apply silver nitrate solution to the eyes
Dry the infant and keep warm
Administer vitamin K (IM)
Place umbilical catheter
An infant who appears to be of normal size is noted to be lethargic and somewhat limp after birth. The mother is 28 years old, and this is her fourth delivery. The pregnancy was uncomplicated, with normal fetal monitoring prior to delivery. Labor was rapid, with local anesthesia and intravenous meperidine (Demerol) administered for maternal pain control. Which of the following therapeutic maneuvers is likely to improve this infant’s condition most rapidly?
Administration of naloxone (Narcan)
Measurement of electrolytes and magnesium levels
Intravenous infusion of 10% dextrose in water
Neurologic consultation
Administration of vitamin K
An undomiciled 41-year-old man walks into the ED complaining of abdominal pain, nausea, and vomiting. He tells you that he has been drinking beer continuously over the previous 18 hours. On examination, his vitals are BP 150/75 mm Hg, HR 104 beats per minute, RR 16 breaths per minute, oxygen saturation 97% on room air, temperature of 99.1°F rectally, and finger stick glucose 81 mg/dL. The patient is alert and oriented, his pupils anicteric. You notice gynecomastia and spider angiomata. His abdomen is soft but tender in the RUQ. Laboratory tests reveal an AST of 212 U/L, ALT 170 U/L, alkaline phosphatase of 98 U/L, total bilirubin of 1.9 mg/dL, international normalized ratio (INR) of 1.3, WBC 12,000/μL. Urinalysis shows 1+ protein. Chest x-ray is unremarkable. Which of the following is the most appropriate next step in management?
Place a nasogastric tube in the patient’s stomach to remove any remaining ethanol
Order a HIDA scan to evaluate for acute cholecystitis
Provide supportive care by correcting any fluid and electrolyte imbalances
Administer hepatitis B immune globulin
Send viral hepatitis titers
An undomiciled 49-year-old man presents to the ED with altered mental status. His BP is 149/75 mmHg, HR is 93 beats per minute, temperature is 97.5°F, RR is 18 breaths per minute, and O2 saturation is 99% on room air. Physical examination reveals an unkempt man with the odor of “alcohol” on his breath. His head is atraumatic and pupils are 4 mm, equal, and reactive. The neck is supple. Cardiovascular, pulmonary, and abdominal examinations are unremarkable. There is no extremity edema and his pulses are 2+ and symmetric. Neurologically, he withdraws all four extremities to deep stimuli. ECG is sinus rhythm. Laboratory results reveal: Sodium 141 mEq/L, Potassium 3.5 mEq/L, Chloride 101 mEq/L, Bicarbonate 14 mEq/L, BUN 15 mg/dL, Creatinine 0.7 mg/dL, Glucose 89 mg/dL, Arterial blood pH 7.26, Lactate 1.7 mEq/L, Ethanol level undetectable, Measured serum osmolarity 352 mOsm/L, Calculated serum osmolarity 292 mOsm/kg. Urinalysis: no blood, ketones, or protein. Which of the following statements best describes the laboratory findings?
Anion gap metabolic acidosis and osmol gap
Anion gap metabolic acidosis without osmol gap
Metabolic alkalosis with secondary acidosis
Nonanion gap metabolic acidosis without osmol gap
Nonanion gap metabolic acidosis and osmol gap
As you are examining the patient described in the previous question, he starts to complain of chest discomfort and shortness of breath and has another syncopal episode. His ECG is shown below. Which of the following is the most appropriate next step in management?
Call cardiology consult
Administer amiodarone
Apply transcutaneous pacemaker
Cardiovert the patient
Administer metoprolol
As you evaluate a patient with shortness of breath, you appreciate decreased breath sounds at the left-lung base. You suspect the patient has a small pleural effusion. In which of the following views of the chest is this small pleural effusion most likely to be detected?
Supine
Lateral decubitus left-side down
Lateral decubitus right-side down
Lateral
Posterior-anterior (PA)
At 43 weeks’ gestation, a long, thin infant is delivered. The infant is apneic, limp, pale, and covered with “pea soup” amniotic fluid. Which of the following is the best first step in the resuscitation of this infant at delivery?
Intubation and suction of the trachea; provision of oxygen
Artificial ventilation with bag and mask
Administration of 100% oxygen by mask
Catheterization of the umbilical vein
Chest compressions
Aunt Mary is helping her family move to a new apartment. During the confusion, 3-year-old Jimmy is noted to become lethargic. The contents of Aunt Mary’s purse are strewn about on the floor. In the ER, the lethargic Jimmy is found to have miosis, bradycardia, and hypotension. He develops apnea, respiratory depression, and has to be intubated. His condition would most likely benefit from which of the following therapies?
Deferoxamine
Pediatric intensive care unit (PICU) support and trial of naloxone
Atropine
Dimercaptosuccinic acid (DMSA, succimer)
N-acetylcysteine (Mucomyst)
Following a vaginal delivery, a woman develops a fever, lower abdominal pain, and uterine tenderness. She is alert, and her blood pressure and urine output are good. Large gram-positive rods suggestive of clostridia are seen in a smear of the cervix. Which of the following is most closely tied to a decision to proceed with hysterectomy?
Immediate radiographic examination for hydrosalpinx
High-dose antibiotic therapy
Close observation for renal failure or hemolysis
Fever of 103F
Gas gangrene
Following a weekend of snowmobiling, a 42-year-old man comes to the emergency department with pain, numbness, and discoloration of his right forefoot. You diagnose frostbite. Which of the following is the proper initial treatment?
Debridement of the affected part followed by silver sulfadiazine dressings
Administration of corticosteroids
Administration of vasodilators
Immersion of the affected part in water at 40 C-44 C (104 F-111.2 F)
Rewarming of the affected part at room temperature
In a rollover car accident, a 42-year-old woman is thrown from the car. The car subsequently lands on her and crushes her. On physical examination in the emergency department, it is determined that she has a pelvic fracture, which is confirmed by portable x-rays done as she is being resuscitated. Her initial blood pressure is 50/30 mm Hg, and her pulse is 160/min and barely perceptible. Thirty minutes later, after 2 L Ringer's lactate and 2 U packed cells have been infused, her pressure is only 70/50 mm Hg, and her pulse is 130/min. A sonogram done in the emergency department shows no intra-abdominal bleeding, and a diagnostic peritoneal lavage confirms that there is no blood in the abdomen (the recovered fluid is pink, but not grossly bloody). Rectal and vaginal exams show no injuries to those organs. There is no blood in her urine. Which of the following is the most appropriate next step in management?
Packing of the vagina and rectum
External fixation of the pelvis
Angiographic embolization of torn veins
Open reduction and internal fixation of the pelvis
Exploratory laparotomy with pelvic dissection and hemostasis
In the ICU, a patient suddenly becomes pulseless and unresponsive, with cardiac monitor indicating ventricular tachycardia. The crash cart is immediately available. What is the best first therapy?
Amiodarone 150-mg IV push
Epinephrine 1-mg IV push
Lidocaine 1.5-mg/kg IV push
Defibrillation at 200 J
Defibrillation at 360 J
Neighbors find a 65-year-old male unconscious in his garden and immediately call EMS. The man is intubated at the scene. In the ER, he develops sustained ventricular tachycardia and requires cardioversion. He is started on an antiarrhythmic agent and, once recovered, is discharged to home. Three months later he returns to his physician complaining of dyspnea on exertion. Chest x-ray reveals bilateral lung fibrosis. All cultures are negative and lung biopsy reveals lipoid pneumonitis. Which of the following medications is most likely responsible for his current condition?
Procainamide
Amiodarone
Lidocaine
Quinidine
Digoxin
On the 5th postoperative day after abdominal surgery, a patient has been draining copious amounts of clear pink fluid from his midline laparotomy wound. A medical student removes the dressing, confirms that it is soaked, and sees a normal-appearing fresh wound with a row of skin staples in place. The student asks the patient to sit up so he can get out of bed and be helped to the treatment room for a more thorough examination. When the patient complies, the wound opens widely, and a handful of small bowel suddenly rushes out. Which of the following is the most appropriate management at this time?
Cover the bowel with dry sterile dressings and schedule urgent surgical closure
Cover the bowel with sterile dressings soaked in warm saline and rush the patient to the operating room
Irrigate the bowel with cold antiseptic solutions while awaiting urgent surgical closure
Wearing sterile gloves, push the bowel back in and tape the wound securely
Take the patient to the treatment room and suture the skin edges together
Paramedics bring a 17-year-old high school football player to the ED on a backboard and with a cervical collar. During a football game, the patient “speared” another player with his helmet and subsequently experienced severe neck pain. He denies paresthesias and is able to move all of his extremities. A cervical spine CT scan reveals multiple fractures of the first cervical vertebra. Which of the following best describes this fracture?
Odontoid fracture
Hangman’s fracture
Jefferson fracture
Clay shoveler’s fracture
Teardrop fracture
Parents bring a 5-day-old infant to your office. The mother is O negative and was Coombs positive at delivery. The term child weighed 3055 g (6 lb, 1 oz) at birth and had measured baseline hemoglobin of 16 g/dL and a total serum bilirubin of 3 mg/dL. He passed a black tarlike stool within the first 24 hours of life. He was discharged at 30 hours of life with a stable axillary temperature of 36.5°C (97.7°F). Today the infant’s weight is 3000 g, his axillary temperature is 35°C (95°F), and he is jaundiced to the chest. Parents report frequent yellow, seedy stool. You redraw labs and find his hemoglobin is now 14 g/dL, and his total serum bilirubin is 13 mg/dL. The change in which of the following parameters is of most concern?
Hemoglobin
Temperature
Body weight
Bilirubin
Stool
Several days following esophagectomy, a patient complains of dyspnea and chest tightness. A large pleural effusion is noted on chest radiograph, and thoracentesis yields milky fluid consistent with chyle. Which of the following is the most appropriate initial management of this patient?
Immediate operation to ligate the thoracic duct
Observation and low-fat diet
Immediate operation to repair the thoracic duct
Tube thoracostomy and low-fat diet
Observation and antibiotics
Shortly after the administration of an inhalational anesthetic and succinylcholine for intubation prior to an elective inguinal hernia repair in a 10-year-old boy, he becomes markedly febrile, displays a tachycardia of 160, and his urine changes color to a dark red. Which of the following is the most appropriate treatment at this time?
Complete the procedure but pretreat with dantrolene prior to future elective surgery
Acidify the urine to prevent myoglobin precipitation in the renal tubules
Administer succinylcholine
Hyperventilate with 100% O2
Administer inhalational anesthetic agents
Ten days after an exploratory laparotomy and lysis of adhesions, a patient, who previously underwent a low anterior resection for rectal cancer followed by postoperative chemoradiation, is noted to have succus draining from the wound. She appears to have adequate source control—she is afebrile with a normal white blood count. The output from the fistula is approximately 150 cc per day. Which of the following factors is most likely to prevent closure of the enterocutaneous fistula?
Previous radiation
Recent surgery
Previous chemotherapy
History of malignancy
More than 100-cc output per day
The left ureter is partially transected (50% of circumference) during the course of a difficult operation on an unstable, critically ill patient. Which of the following would be the most appropriate management of this injury given the patient’s unstable condition?
Placement of an external stent through the proximal ureteral stump with delayed reconstruction
Placement of a catheter from the distal ureter through an abdominal wall stab wound
Bringing the proximal ureter up to the skin as a ureterostomy
Placement of a closed-suction drain adjacent to the injury
Ipsilateral nephrectomy
You admitted to the hospital the previous evening a 1-year-old boy who presented with cough, fever, and mild hypoxia. At the time of his admission, he had evidence of a right upper lobe consolidation on his chest radiograph. A blood culture has become positive in less than 24 hours for Staphylococcus aureus. Approximately 20 hours into his hospitalization, the nurse calls you because the child has acutely worsened over the previous few minutes, with markedly increased work in breathing, increasing oxy- gen requirement, and hypotension. As you move swiftly to the child’s hospital room, you tell the nurse to order which of the following?
A second chest radiograph to evaluate for pneumatocele formation
A large-bore needle and chest tube kit for aspiration of a probable tension pneumothorax
A thoracentesis kit to drain his probable pleural effusion
A sedative to treat the child’s attack of severe anxiety
A change in antibiotics to include gentamicin
You are called to a delivery of a woman with no prenatal care; she is in active labor but has no history of amniotic rupture. The biophysical profile done in the emergency center revealed severe oligohydramnios. When you get this infant to the nursery, you should carefully evaluate him for which of the following?
Anencephaly
Trisomy 18
Renal agenesis
Duodenal atresia
Tracheoesophageal fistula
You are called to the emergency department to consult on a 34-year-old woman at 22 weeks’ gestation with a skin rash and shortness of breath. She states that the skin rash started 2 days ago on her trunk and has spread to her extremities. Earlier today she developed shortness of breath. She has been feeling like she has fever and chills, but she has not taken her own temperature. She has no other medical problems and has never had surgery. She works as a third-grade teacher. She has not been traveling recently, but one of her students recently had the chicken pox. On physical examination, her temperature is 38.1 C (100.6 F), blood pressure is 100/70 mm Hg, pulse is 116/min, and respirations are 18/min. Her lungs have diminished breath sounds bilaterally. Chest x-ray demonstrates diffuse, nodular, peribronchial infiltrates. Which of the following is the most appropriate next step in management?
Bronchoscopy and intubation
Outpatient management with oral erythromycin
Admission and intravenous acyclovir
Admission and intravenous erythromycin
Outpatient management with oral azithromycin
You are doing postpartum rounds on a 22-year-old G1P1, who vaginally delivered an infant male at 36 weeks after an induction for severe preeclampsia. During her labor she required hydralazine to control her blood pressures. She is on magnesium sulfate for seizure prophylaxis. Her vital signs are: blood pressure 154/98 mm Hg, pulse 93 beats per minute, respiratory rate 24 breaths per minute, and temperature 37.3C. She has adequate urine output at greater than 40 cc/h. On examination, she is oriented to time and place, but she is somnolent and her speech is slurred. She has good movement and strength of her extremities, but her deep tendon reflexes are absent. Which of the following is the most likely cause of her symptoms?
Adverse reaction to hydralazine
Magnesium toxicity
Hypertensive stroke
Sinus venous thrombosis
Transient ischemic attack
You are notified by the EMS dispatcher that there is a multiple-car collision on the local highway with many injuries. He states that there are two people dead at the scene, one person is critically injured and hypotensive, and three people have significant injuries but with stable vital signs. Which of the following is the leading cause of death and disability in trauma victims?
Abdominal injury
Thoracic injury
Back injury
Cervical injury
Head injury
You receive notification from EMS that they are bringing in a 17-year-old adolescent boy who was found unconscious by a police officer. The police officer at the scene states that he snuck up on a group of kids that he thought were using drugs. Two of them got away and one just fell to the ground seconds after standing up. Lying on the ground next to the adolescent were plastic bags. The emergency medical technician (EMT) states that the patient was in ventricular fibrillation. He was shocked in the field and is now in a sinus rhythm. The EMT also administered IV dextrose, thiamine, and naloxone without any change in mental status. Which of the following substances was the patient most likely abusing?
Butane
Ethanol
Heroin
Cocaine
PCP
A 66-year-old male is rushed to the emergency department because he feels dizzy and light-headed. He denies chest pain or palpitations. He has a history of hypertension and diabetes. His blood pressure is 116/62 mmHg and his pulse is 35-40/min. He is alert, awake, and fully oriented. He is breathing comfortably and does not appear to be in any distress. His extremities are slightly cold and capillary refill is 3 seconds. His EKG is shown below. Which of the following is the most appropriate next step in management?
Intravenous adenosine push
Transcutaneous pacing
Intravenous amiodarone
Intravenous atropine
Intravenous epinephrine
A 69-year-old male undergoes coronary artery bypass and aortic valve replacement surgery. The procedure goes well, and he is extubated and discharged to the step-down unit on postoperative day 2. That night, he complains of weakness, chest tightness and shortness of breath. His blood pressure is 70/30 mmHg, respiratory rate is 26/min, and heart rate is 148 beats per minute. Lung auscultation reveals bibasilar crackles. An EKG rhythm strip is obtained. Which of the following is the best next step in the management of this patient?
Amiodarone
Lidocaine
Digoxin
DC cardioversion
Transcutaneous pacing
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