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posted by Fnord666 on Monday February 17 2020, @11:11AM   Printer-friendly
from the makes-my-heart-beat-faster dept.

Normal resting heart rate appears to vary widely from person to person: Individual people's averages show long-term consistency, according to de-identified data from wearables worn by 92,457 people:

A person's normal resting heart rate is fairly consistent over time, but may vary from others' by up to 70 beats per minute, according to analysis of the largest dataset of daily resting heart rate ever collected. Giorgio Quer of the Scripps Research Translational Institute in La Jolla, California, and colleagues present these findings in the open-access journal PLOS ONE on February 5, 2020 as part of an upcoming PLOS Collection on Digital Health Technology.

A routine visit to the doctor usually involves a measurement of resting heart rate, but such measurements are rarely actionable unless they deviate significantly from a "normal" range established by population-level studies. However, wearables that track heart rate now provide the opportunity to continuously monitor heart rate over time, and identify normal resting heart rates at the individual level.

In the largest study of its kind to date, Quer and colleagues retrospectively analyzed de-identified heart rate data from wearables worn for a median of 320 days by 92,457 people from across the U.S. Nearly 33 million days' worth of heart rate data were collected in total. The researchers used the data to examine variations in resting heart rate for individuals over time, as well as between individuals with different characteristics.

The analysis showed that one person's mean daily resting heart rate may differ by up to 70 beats per minute from another person's normal rate. Taken together, age, sex, body mass index (BMI), and average daily sleep duration accounted for less than 10 percent of the observed variation between individuals.

Journal Reference:
Giorgio Quer, Pishoy Gouda, Michael Galarnyk, Eric J. Topol, Steven R. Steinhubl. Inter- and intraindividual variability in daily resting heart rate and its associations with age, sex, sleep, BMI, and time of year: Retrospective, longitudinal cohort study of 92,457 adults. PLOS ONE, 2020; 15 (2): e0227709 DOI: 10.1371/journal.pone.0227709


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  • (Score: 2) by pjbgravely on Tuesday February 18 2020, @05:40AM (1 child)

    by pjbgravely (1681) <pjbgravelyNO@SPAMyahoo.com> on Tuesday February 18 2020, @05:40AM (#959448) Homepage
    It was blamed on a med which I have stopped. I can still get down to 35 but I am usually 40 now. The decrease took about 10 years according to my records.
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  • (Score: 0) by Anonymous Coward on Tuesday February 18 2020, @04:48PM

    by Anonymous Coward on Tuesday February 18 2020, @04:48PM (#959577)

    So, reason number four then.