In which condition is PGE most commonly used to maintain patent ductus arteriosus in an infant?
ATGA with intact ventricular septum
BPulmonary stenosis
CHypoplastic left heart syndrome
DTricuspid atresia
A baby is born at 27 weeks of gestation and required mechanical ventilation for 4 weeks and CPAP for 1 week. He was maintained on room air subsequently. Based on the new definition of Bronchopulmonary Dysplasia (BPD), and assuming he remained on room air at 36 weeks post-menstrual age, what is the most appropriate classification of his condition?
AMild BPD
BModerate BPD
CSevere BPD
DNo BPD
An infant previously diagnosed with a large muscular VSD comes to the office with complaints from the mother of fatigue and poor feeding over the past month. You note the child has not gained weight since the previous visit 2 months ago. The child is apathetic, tachypneic, and has wheezes and crackles on lung auscultation. What is the most likely cardiac diagnosis based on this patient's presentation?
ACongenital heart block
BProlonged QT syndrome
CCongestive heart failure
DHypertrophic cardiomyopathy
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