Fierce Health Technology July 9, 2021
Newly published data from a longitudinal study of Fitbit users describe activity, sleep and resting heart rate changes triggered by COVID-19 infection that often last weeks and months after the first signs of symptoms.
The duration of the impact varied widely from person to person but was most persistent when measuring individuals’ resting heart rates, researchers from Scripps Research Translational Institute (SRTI) wrote in JAMA Network Open.
Specifically, after initially experiencing brief moments of reduced resting heart rate, Fitbit users with COVID-19 logged elevated resting heart rates that lasted an average 79 days after the onset of their symptoms. Participants’ step counts and sleep quantity, meanwhile, returned to normal after an average 32 and 24 days, respectively.
“Long-term COVID symptoms...
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