Hypertrophic cardiomyopathy

Hypertrophic cardiomyopathy (HCM) is a type characterized by progressive myocardial hypertrophy and progressive contraction of the ventricular cavity, typically in the left ventricle, characterized by ventricular septum, and occasionally concentric hypertrophy. cardiac disease. Myocardial disease of unknown origin is characterized by obstruction of left ventricular blood filling and decreased diastolic compliance. Left ventricular outflow tract can be divided into obstructive and non-obstructive types according to the presence or absence of obstruction. It is usually autosomal dominant.