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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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What Causes Tachycardia And Severe Palpitations?

I have been waking up with tachycardia on a nearly daily basis for some time now, and I m wondering what this could possibly be. It never occurs while I m awake, and when asleep always occurs during REM sleep. I don t think it s apnea and I don t see how it could be anxiety as I don t feel anxious *until* I m awakened by the palpitations, and the dreams from which I m roused are not particularly unpleasant or stressful. (In fact I ve never had what I would call a nightmare in my entire life.) When I say tachycardia, I mean a heart rate of 110-120, but sometimes my pulse is only around 100 but my heart is nonetheless beating sufficiently *hard* to have awakened me. This always subsides within ten minutes of waking. What are some possible causes? Thanks.
posted on Sun, 10 Dec 2017
Twitter Sat, 23 Jun 2018 Answered on
Twitter Tue, 26 Jun 2018 Last reviewed on
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General & Family Physician,  's  Response
Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice.

Mos cases are harmless.
Some of the possible reasons can be :
-Anxiety.
-Caffeine
-Alcohol.
-Smoking.
-An overactive thyroid gland.

Hope I have answered your query. Let me know if I can assist you further.

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What Causes Tachycardia And Severe Palpitations?

Hello and Welcome to ‘Ask A Doctor’ service. I have reviewed your query and here is my advice. Mos cases are harmless. Some of the possible reasons can be : -Anxiety. -Caffeine -Alcohol. -Smoking. -An overactive thyroid gland. Hope I have answered your query. Let me know if I can assist you further.