Differential Diagnosis

  • Aortopulmonary Septal Defect

  • Coronary Artery Fistula

  • Sinus of Valsalva Aneurysm

  • Tetralogy of Fallot With Absent Pulmonary Valve

Other Problems to be Considered:
  • Venous hum

  • Coronary artery fistula to the right ventricle or right atrium

  • Atrioventricular malformation