We report two cases of congenital atresia of the ostium of the left coronary artery. Case 1: a six-month-old infant presenting with serious cardiac insufficiency. A noninvasive diagnosis of dilated myocardiopathy was established and the clinical picture was pharmacologically compensated. https://www.roneverhart.com/2024-Floral-Halloween-Cookie-Card-3-5-x-5-Pre-Printed-Pack-of-25/