What are Cardiomyopathies?

Cardiomyopathies
Histological abnormalities in cardiomyopathy: (A) Dilated cardiomyopathy, increased interstitial fibrosis at the blue arrow. (B) Hypertrophic cardiomyopathy, increased interstitial fibrosis (blue), and myocyte disarray. (C) Fibro-fatty replacement in arrhythmogenic right ventricular cardiomyopathy. Taken from Hughes, Asimaki and Saffitz, Gulati.146–148. Taxonomy of segmental myocardial systolic dysfunction European Heart Journal. Not Altered. CC.

Cardiomyopathies are heart diseases affecting the cardiac musculature, affecting its pumping function. 

Examples of cardiomyopathies include: 

  • Arrhythmogenic right ventricular cardiomyopathy
  • Dilated cardiomyopathy
  • Hypertrophic cardiomyopathy
  • Restrictive cardiomyopathy