Last Updated: 09/26/2026
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Ask the doctors. I recently developed atrial fibrillation, and I wonder whether I need to take an anticoagulant. I am 81 years old, active, and don't really notice when I am in atrial fibrillation. I was taking my pulse every now and then and found it to be irregular. My doctor said I was going back and forth between normal heart rhythm and atrial fibrillation. I am in normal (sinus) rhythm now, but he says I should be on warfarin because I have high blood pressure. What do you think?
Journal: Harvard heart letter : from Harvard Medical School
Published: July 01, 2012
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Last Updated: 09/26/2026