An Echocardiogram Was Performed on a 5-Year-Old Male Child

An echocardiogram was performed on a 5-year-old male child. The results indicated thickened right and left ventricles. Arterial oxygen concentration is normal. What condition does the boy have?

A) Tetralogy of Fallot
B) Mild aortic insufficiency
C) Patent ductus arteriosus
D) Tricuspid stenosis
E) Mild mitral stenosis