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?

  1. A)Persistent truncus arteriosus
  2. B)Pulmonary atresia
  3. C)Total anomalous pulmonary venous return
  4. D)Coarctation of the aorta
  5. E)Ventricular septal defect with congestive heart failureGABARITO

Explicação

Ventricular septal defect (VSD) is the most common congenital heart lesion. The holosystolic murmur at the left lower sternal border is pathognomonic for VSD. Left-to-right shunting causes pulmonary overflow, leading to congestive heart failure with poor feedi... Ver explicação completa e trilha adaptativa →

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