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A 18-year-old female asked:

Im a high level athlete and sometimes my resting heart rate will sit around 105-110, i get really tired from it. its usually in the 70's. is this normal?

1 doctor answer1 doctor weighed in
Dr. Donald Colantino
Internal Medicine 62 years experience
No: That is too fast a resting heart rate for anyone except an infant. Causes of rapid resting rates are overactive thyroid or other endocrinopathies.fevers, anxiety, caffeine,alcohol,nicotine,certain medications containing adrenalin like substances. Your physician will take a thorough history, examine you and order appropriate tests. Referral to a cardiologist may be advised.
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Last updated Nov 13, 2017

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