Mid-Cavitary Obstruction in Hypertrophic Cardiomyopathy

The diagnostic features of left ventricular outflow tract (LVOT) obstruction in hypertrophic cardiomyopathy (HCM) were characterized>50 years ago.1-3 In contrast, the features of mid-cavitary obstruction (MCO) at cardiac catheterization remain poorly understood and limited to case reports.4-6 Accordingly, we describe the invasive hemodynamic findings in MCO using a novel technique.

Source: Mayo Clinic Proceedings - June 1, 2021 Category: Internal Medicine Authors: William R. Miranda, Darrell B. Newman, Mackram F. Eleid, Rick A. Nishimura, Hartzell V. Schaff Tags: Letter to the editor Source Type: research