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: Pathology
[{'content': 'Restrictive cardiomyopathy is not associated with? \nSelect and explain. \nA. Alcohol, B. Hemochromatosis, C. Amyloidosis, D. Sarcoidosis', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Alcohol * Restrictive cardiomyopathy is characterized by a primary decrease in ventricular compliance, i.e., ventricles become stiff. Resulting in impaired ventricular filling during diastole because heart cannot relax normally during diastole - Diastolic dysfunction. Ventricles are normal in size (or slightly enlarged) without any dilatation of cavity. Atrial cavities are dilated. There is interstial fibrosis.* Important causes of restrictive cardiomyopathy are:-# Three most common causes - Amyloidosis, Radiation, myocardial fibrosis after open heart surgery.# Others - Sarcoidosis, hemochromatosis, carcinoid syndrome, Fabry's disease, Loeftler's syndrome, scleroderma, glycogen depositon, neoplasm.", 'role': 'assistant'}]