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A 35-year-old male asked:

If i take my hr at rest with my phone, and it varies etwa 8% during a 30 seconds measurement (i.e. 65, 69, 71, 68, 69) is that normal?txs

1 doctor answer1 doctor weighed in
Dr. Jack Morgan
Internal Medicine 30 years experience
Yes: This can be quite normal in individuals. Depends on previous health history, body make-up (physical size and shape), as well as fitness status. Lots of time it will vary with respiratory rate.

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Last updated Apr 22, 2014

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