<prompt> Most common cyanotic heart disease -TOFVSDTAPVCEbstein anomalies  <response>: Ans. is a i.e., TOF Tetroiogy of falloto Cyanonic heart disease MC.o Defect in infundibular septum leads to :Pulmonary stenosis.VSD Not ASDDextroposition and overriding of aorta.Right ventricular hypertrophy NOT LVH.o Pink TOF Acyanotic TOF when PS is mild to moderate, balanced shunt across the VSD, pt does not have cyanosis. 