Heart rate variability
Coronary heart price variability (HRV) is mechanically captured by Apple Watch however it’s not viewable within the wearable’s native Coronary heart Charge app. To see it you’ll want to go to the iPhone’s Well being app > Browse > Coronary heart.
What is HRV? It’s the measurement of how the interval of time between heartbeats modifications, measured in milliseconds – notably this can be a metric that modifications so much, so taking a look at broad traits, not day by day numbers is essential.
HRV is taken into account by many within the medical subject as a strong indicator of not solely present general well being and resilience of the guts and physique but additionally a powerful predictor of future mortality.
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