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A 38-year-old female asked:

I ve had rapid heart beat for months now, around 100 or a bit above, i am 38 and most of my blood tests were normal , any idea what may be the cause?

1 doctor answer1 doctor weighed in
Dr. Linda Gromko
Family Medicine 49 years experience
Most were normal?: So what tests were out of range? A high thyroid level might cause your heart rate to accelerate. Being anemic (low red blood cell count or low hematocrit) may result in an increased heart rate, as your heart beats faster to try to circulate more oxygen to your cells. Anxiety can increase your heart rate. Btw, i'm assuming that your heart is normal, but it would be reasonable to get that checked!
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Last updated May 12, 2013

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