Congenital Heart Disease USMLE Step 1 Practice Question
A 4-month-old infant with no significant past medical history presents with poor feeding, failure to thrive, and recurrent respiratory infections. Physical examination reveals a holosystolic murmur at the left lower sternal border, hepatomegaly, and pulmonary crackles. Chest X-ray demonstrates cardiomegaly and increased pulmonary vascular markings. Which of the following is the most likely diagnosis?
Answer choices
- APersistent truncus arteriosus
- BPulmonary atresia
- CTotal anomalous pulmonary venous return
- DCoarctation of the aorta
- EVentricular septal defect with congestive heart failureCorrect answer
- FAnomalous left coronary artery from pulmonary artery
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