Asymmetric Ventricular Foreshortening of SAPIEN-3 Transcatheter Heart Valve Associated With Leaflet Subclinical Thrombosis

An 88-year-old man with history of hypertension, atrial fibrillation, and permanent pacemaker was admitted to the hospital with progressive dyspnea on exertion. A transthoracic echocardiogram demonstrated a severe aortic stenosis (mean gradient, 46 mm Hg; aortic valve area, 0.8 cm2) with normal