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: Medicine
Investigation of choice to confirm Hemochromatosis as the cause of cardiomyopathy is: 
Select and explain. 
A. ECG, B. Echo, C. MRI, D. CT
C: MRI
Answer: C: MRI 
Explanation: Answer is C (MRI) Cardiac MRI is the investigation of choice in Cardiomyopathy from Hemochromatosis. Cardiac MRI helps distinguish amongst various causes of restrictive cardiomyopathy. Cardiac MR1 in hemochromatosis allows non-invasive detection and quantification of myocardial iron load and distribution. Cardiac MRI is the imaging modality of choice as Echocardiography may be unable to distinguish hemochromatosis from dilated cardiomyopathy