This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Cardiomyopathy is recognised finding in all except? 
Select and explain. 
A. Friedreich's ataxia, B. Transfusion haemosiderosis, C. Cystic fibrosis, D. None
D: None
Answer: D: None 
Explanation: Ans. is 'None' About option 'b' o Transfusion siderosis causes hemochromtosis due to iron overload which is a cause of cardiomyopathy.