Originally Posted by Koonstheman

Greetings.

I'm 63 years old and parallel to the topic I am about to expand upon, am trying to self-diagnose what are still mysteries in my overall health in the past two years. my average heart rate was always in the mid to upper 140s, and my maximum around 166 or so....until. .... Suddenly, about a month ago, I lost ten beats, both on my average and the maximum.
Can anyone think of any medical reason for this heart rate loss? Thanks