52-year-old man with PMHx of hypertension presents after a witnessed syncopal episode at home. He felt lightheaded while standing to use the bathroom and briefly lost consciousness without seizure activity…
Key Points Definition and mechanics: Hypertrophic cardiomyopathy variant with maximal hypertrophy at the LV apex (apical HCM, ApHCM). LVOT is often not obstructed at rest; some patients have mid-ventricular obstruction…