Restrictive cardiomyopathy | |
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Other names | Obliterative cardiomyopathy, infiltrative cardiomyopathy, constrictive cardiomyopathy[1] |
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Micrograph of cardiac amyloidosis, a cause of restrictive cardiomyopathy. Congo red stain. | |
Specialty | Cardiology ![]() |
Restrictive cardiomyopathy (RCM) is a form of cardiomyopathy in which the walls of the heart are rigid (but not thickened).[2][3] 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.[1]
It should not be confused with constrictive pericarditis, a disease which presents similarly but is very different in treatment and prognosis.[1]
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