Ask the doctor.  If you have a slow heart rate (bradycardia), is it safe to drink wine?  If so, how much per day?  Does alcohol affect the heart rate?
Zimetbaum
Peter
P
D001919:Bradycardia; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D012449:Safety; D014920:Wine / Q000009:adverse effects