A rare case of dual left anterior descending arteries arising from left main coronary artery and right sinus of Valsalva

Abstract

Duplication of left anterior descending (LAD) artery is an uncommon coronary anomaly. Type IV dual LAD is the rarest variety where short LAD arises from left main stem and long LAD arises from right coronary artery or right sinus of Valsalva. I present a case of 60-years-old lady with dilated cardiomyopathy with incidental detection of type IV dual LAD during coronary angiography. The patient was treated conservatively