AN UNUSUAL CASE OF SERIAL LEFT VENTRICULAR OUTFLOW OBSTRUCTION: COINCIDENT HYPERTROPHIC OBSTRUCTIVE CARDIOMYOPATHY AND SUBAORTIC MEMBRANE MANAGED OPERATIVELY

Hypertrophic obstructive cardiomyopathy (HOCM) and subaortic membrane have similar and often overlapping clinical findings despite the difference in pathophysiology. This is a 56-year-old woman with HOCM who was having symptoms refractory to medical therapy with metoprolol and disopyramide. She was