Heart rate variability – what to know about this biometric most fitness trackers measure
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Photo caption: An increase in this particular biometric is a good thing. Photo credit: visualspace/E+ via Getty Images. Article by . The Conversation – December 26, 2022.
Your heart beats around 100,000 times every day. Heart rate is a key marker of cardiovascular activity and an important vital sign. But your pulse is not as steady as a precision clock – nor would you want it to be. As a cardiovascular physiologist, I measure heart rate in nearly every experiment my students and I perform. […]
