← Return to Afib: What causes an episode? What if I don't notice?

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@jimana

@dfelix, as you get more responses and do internet searches you will find there are many A-fib triggers but what causes the condition in the first place is still somewhat a mystery. In my case it seems to be caused or triggered by an excess of thyroid hormone. I have been hypothyroid (underactive thyroid, not producing enough hormone) to I have taken either Synthroid or a natural desiccated thyroid extract. If one's TSH gets too low, A-fib can result. Although this may not be your problem, it never hurts to have your PCP do a thyroid workup and at least eliminate that as a potential problem. God bless.

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Replies to "@dfelix, as you get more responses and do internet searches you will find there are many..."

I replied to a post on A fib and I don’t see it on here. Am I doing something wrong?

I have low thyroid, and I have A-fib. I now take Dofetilide and have not had any real problems in about 5 years. I almost always awoke to an episode.I am very thankful for the Dofetilide.

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