Hello my name is Bill and my question is,"I am on the following medications for A-Fib: Digoxin, Metoprolol, Diltiazem, and of course Warfarin. Aprox. a week ago I woke up in the morn. and didnt feel very good or rested. in about 30 mins. I felt my heart starting to race. I immediately took my BP and found the following results: Systolic 128 , Diastolic 88, and my Pulse was 141 and irratic. What would possibly cause this as I am on these meds mentioned above?