Obstructive Hypertrophic Cardiomyopathy

The hypertrophic cardiomyopathies include several diseases with different etiologies, all of which are characterized by abnormal thickening of the myocardium, most commonly in the interventricular septum.

Hypertrophic obstructive cardiomyopathy is a pathologic cardiac condition in which the interventricular septum is abnormally thickened.

Dynamic auscultation refers to using maneuvers to alter hemodynamic parameters during cardiac auscultation in order to diagnose the etiology of a heart sound or murmur.