A ring in heart.

A 65-year-old woman with history of hypertension presented with shortness of breath for 1 week. Physical examination revealed wide pulse pressure, lower leg edema, and a grade II/VI to-and-fro murmur over right upper sternal border. Transthoracic echocardiography demonstrated a ring-like structure protruding from left ventricle outflow tract (LVOT) into left ventricle, with moderate …