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A few minutes later!
My Fenix 5, first thing in the morning, as soon as I get, giving me an inflated Resting Heart Rate (RHR) reading and then revising it down, quite dramatically, some time later, is now happening on a regular basis. So, here are two examples from different days, July 4 & July 6, 2018 — one showing readings from Garmin Connect and the other the watch Widget,
My Resting Heart Rate (RHR) due to decades of running and two-decades of being on heart-medicine Toprol XL, tends to be on the low side., especially when I am sleeping. It is not unusual for my sleeping heart rate to be in the 43 — 45 bpm range, sometimes falling to the high 30s. I tend to sync my Fenix 5 first thing in the morning and check my RHR (just to make sure that I am still alive).
I already did a post on this on July 4, 2018. Just wanted to show you the July 6th example too.
Then I noticed that the Fenix 5 adjusts this graph in time! So, the SPIKE goes away and it shows that my RHR is GOOD.
Today, July 8, 2018, it happened again. Initial reading, much to my chagrin, was in the high 50s. Few minutes later it dropped down to 46 bpm, which, for I, is par for the course.