This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Medicine
[{'content': 'Restrictive cardiomyopathy is seen in ? \nSelect and explain. \nA. Amylodosis, B. Fatty change of hea, C. Viral myocarditis, D. Doxorubicin toxicity', 'role': 'user'}, {'content': 'Answer: A \nExplanation: 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', 'role': 'assistant'}]