Fast metabolism? : By fast metabolism, if you mean that it's actually been measured and is abnormal such as with a suppressed thyroid stimulating hormone level, then yes - it causes fast heart rate (sinus tach), atrial fibrillation and psvt (abnormal very fast rhythms). But many people just feel that they are fast metabolizers and there is no direct correlation with heart rhythm.
Answered 2/13/2013
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A doctor has provided 1 answer
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