This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiomyopathies, Subject name: Medicine
[{'content': "Which of following is a treatable cause of RCM? \nSelect and explain. \nA. Fabry's disease, B. Amyloidosis, C. Endomyocardial fibroelastosis, D. Hyper-eosinophilic syndrome", 'role': 'user'}, {'content': "Answer: A \nExplanation: Enzyme replacement therapy in form of a-galactosidase is used in Fabry's disease. It is manufactured using DNA recombinant technology and can prevent disease progression and reverse some symptoms. * Usual causes of Restrictive cardiomyopathy are untreatable and therefore cardiac transplantation is the only ble option left for all other causes. * The most common cause of RCM is amyloidosis.", 'role': 'assistant'}]