What is hypertrophic obstructive cardiomyopathy?

Heart disease: Obstructive hypertrophic cardiomyopathy is a genetic disorder that is one of the leading causes of sudden cardiac death in young people, particularly athletes. It is quite rare, but can be devastating in its ability to produce fatal arrhythmias. It is also a serious cause of heart failure due to decreased blood flow through the aortic valve to due obstruction of flow by the ventricular septum.