<prompt> Restrictive cardiomyopathy is seen in ?AmylodosisFatty change of heaViral myocarditisDoxorubicin toxicity  <response>: Micrograph of cardiac amyloidosis, a cause of restrictive cardiomyopathy. Restrictive cardiomyopathy RCM is a form of cardiomyopathy in which the walls of the hea are rigid but not thickened. Thus the hea is restricted from stretching and filling with blood properly . Ref Harrison 20th edition pg 1576 