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A 43-year-old female asked:

What causes irregular heartbeat and what can be done, treated. can certain meds cause it. is it deadly?

1 doctor answer1 doctor weighed in
Dr. Bennett Werner
Cardiology 44 years experience
Depends: Irregularity is very common. There are many causes. Some are trivial, other's more serious. To evaluate, you need documentation of the type of arrhythmia and the overall condition of your heart. A 24 or 48 hour or 30 day event monitor of your heart rhythm is crucial. An echocardiogram is indicated. Some meds can exacerbate it, especially nicotine and caffeine (also: Serevent, (salmeterol) which you list).

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Last updated May 14, 2014
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