Severe dynamic left-ventricular outflow-tract obstruction unmasked by transcatheter aortic valve implantation: a case report
Abstract Background Relieving the fixed afterload of severe aortic stenosis can unmask a previously concealed dynamic outflow-tract obstruction. Case summary A 69-year-old man with severe aortic stenosis (valve area 0.65 cm2; 109/64 mmHg), mild concentric hypertrophy (septum 15 mm), and no baseline systolic anterior mo...