A 2 month old boy is brought in for poor feeding and tachypnea. Examination reveals a harsh holosystolic murmur best heard at the left lower sternal border. Echocardiography shows a defect in the membranous interventricular septum with left to right shunting. Which of the following is the most likely diagnosis?

  1. A)Atrial septal defect
  2. B)Patent ductus arteriosus
  3. C)Tetralogy of Fallot
  4. D)Tricuspid atresia
  5. E)Ventricular septal defectGABARITO

Explicação

A ventricular septal defect is the most common congenital heart defect and classically produces a harsh holosystolic murmur at the left lower sternal border. Left to right shunting increases pulmonary blood flow and can cause heart failure symptoms in infancy.... Ver explicação completa e trilha adaptativa →

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