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hypertrophy of the heart

Etiology:

Pathogenesis:

Epidemiology:

General Gross Description: • Varies with cause: hypertension - a concentric predominantly LV hypertrophy > 2X normal wt. • Aortic stenosis = hypertension > 3X normal wt. • Mitral regurgitation (MR)- hypertrophied and dilated heart involving all chambers. • Cardiomyopathy (CM) : Dilated CM - similar to MR; hypertrophic CM - similar to hypertension. • Special type of HCM - idiopathic hypertrophic subaortic stenosis (IHSS) with marked IV septal thickening obstructing LV outflow.

General Microscopic Description:

Clinical Correlations:

References: