It's often difficult to diagnose the exact cause of DCM since even myocardial biopsies are often not helpful. In your husband's case, there may have been a variety of causes for his DCM, but the alcohol certainly played a role. I think it would be difficult to determine if he truly had a viral infection and when that may have occurred. Now that your husband has had a heart transplant, he should not be drinking alcohol so you should speak with him and his physicians to try to develop a plan to keep him from drinking in the future. I hope you find this information useful.
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