Persistent Pulmonary Hypertension
Understanding Persistent Pulmonary Hypertension
Welcome to our quiz on Persistent Pulmonary Hypertension (PPHN). This quiz is designed for healthcare professionals, students, and anyone interested in understanding this critical condition.
Test your knowledge and learn about:
- Key definitions and diagnostic criteria for PPHN
- Signs and symptoms associated with PPHN
- Treatment options and the role of inhaled Nitric Oxide
Which of the following statements about PPHN is correct?
PPHN is defined as a failure in newborn circulatory adaptation
PPHN is a failure of the normal postnatal fall in pulmonary vascular resistance leading to ongoing right to left shunting across the fetal channels (PFO and PDA) and resultant hypoxia. In many babies with PPHN, the major shunting occurs at an intrapulmonary level.
PPHN is still one of the main causes of neonatal morbidity and mortality, with a mortality rate of 4–33%
PPHN is associated with multiple possible etiologies, usually accountable for its severe outcomes
All of the above
Identify the signs and symptoms associated with PPHN. Tick ALL that applies.
High Oxygenation Index (OI)
Persistent hypoxaemia and wide swings in arterial PO2
Hypoxaemia is out of proportion to the severity of parenchymal lung disease on CXR unresponsive to supplemental oxygen
Systemic hypotension
Severe cyanosis or desaturation unresponsive to supplemental oxygen
Low Oxygenation Index
Which of the following is the gold standard test for diagnosing PPHN?
Chest Xray
Echocardiography
Pulse Oximetry
Blood Tests
Identify the properties of inhaled Nitric Oxide (iNO) which makes it the ideal treatment modality for PPHN. Tick ALL three that applies.
Potent
Reductive
Selective
Vasodilator
What is the optimum starting dose of inhaled Nitric Oxide?
10 parts per million
20 parts per million
30 parts per million
40 parts per million
PPHN treatment should not be commenced unless cyanotic heart disease is ruled out through echocardiogram.
True
False
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