Commonest cause of enlarged cardiac shadow in X-ray of a child is -: (A) PDA, (B) Coarctation of Aoa, (C) Pericarditis, (D) Rheumatic carditis
Answer is D. Ans. is 'd' i.e., Rheumatic carditis o Cardiac failure causes cardiomegaly o MC cause of cardiac failure in children (elder than infants) is rheumatic fever and rheumatic hea disease.