I have had a triple bypass about 10 yrs. ago, and my cardio dr. has been following me all these years. Now, my heart beat is really off, and wore a monitor and it had lots of missed or extra beats on the test.  My heart beat now is REALLY slow, and I've developed this tingling in my lower lip for about a week.  I have had 2 mini strokes before, and one included my lip which was dropped down, ad slured speech,which I recovered from.  Could this be a sign of another stroke coming on?