The most common cyanotic congenital heart defect that is actually a combination of four defects is called

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The most common cyanotic cardiac defect is a combination of four congenital heart defects: (1) VSD, an abnormal opening in the ventricular septum; (2) pulmonary stenosis, a tightening of the pulmonary valve or vessel; (3) dextroposition (displacement to the right) of the aorta, which overrides (receiving circulation from both ventricles) the VSD; and (4) right ventricular hypertrophy, caused by increased pressure in the ventricle.

The Most Common Cyanotic Congenital Heart Defect That Is Actually