A child has cyanotic disease with left ventricular enlargement wiht left axis detion. Probable diagnosis Is -: (A) TOF, (B) VSD, (C) Double outlet right ventricle, (D) Tricuspid atresia
Answer is D. Tricuspid atresia The clinical picture is usually dominated by severe cyanosis due to obligatory admixture of systemic and pulmonary venous blood in the left ventricle. The ECG characteristically shows RA enlargement, left-axis detion, and LV hyperophy ( Harrison&;s principle of internal medicine,18th edition,pg no. 1927 )