Restrictive cardiomyopathy
Restrictive cardiomyopathy (RCM) is a form of cardiomyopathy in which the walls of the heart are rigid (but not thickened). Thus the heart is restricted from stretching and filling with blood properly. It is the least common of the three original subtypes of cardiomyopathy: hypertrophic, dilated, and restrictive.
| Restrictive cardiomyopathy | |
|---|---|
| Other names | Obliterative cardiomyopathy, infiltrative cardiomyopathy, constrictive cardiomyopathy |
| Micrograph of cardiac amyloidosis, a cause of restrictive cardiomyopathy. Congo red stain. | |
| Specialty | Cardiology |
It should not be confused with constrictive pericarditis, a disease which presents similarly but is very different in treatment and prognosis.
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