Severe aortic regurgitation and heart failure

A woman in her 70s was evaluated for fatigue and chest tightness for 4 months and oedema of both lower extremities for 1 month. She denied any medical history and family history of heart disorders. ECG showed normal QRS voltages with intraventricular block and left ventricular (LV) hypertrophy. Echocardiography showed severe aortic regurgitation (AR), asymmetric LV hypertrophy (maximum wall thickness of the septum 15 mm and 11 mm of the...