Finally crossed a line so to speak during this afternoon’s run. So many things went wrong. The HR data has become extremely erratic and useless. Jumping all over the place from way below and way above what I know is correct from stopping to check with a timer. Started holding the thing with the sensor against the palm of my hand on a couple runs. Thought I was on to something but no. Stopped my run today to confirm my HR was NOT 169. Started running again and it showed what I had just manually measured for about a minute then jumped back up to 160. Stopped again to reconfirm 135. Started back up and it had lost GPS and now wasn’t communicating HR data with my iPhone anymore. I’ve had it. So discouraged I stopped my run early. Cancelling my Premium account. Starting a search for something that will give me useful data if it exists as I am trying really hard to recover from a heart attack a year and a half ago.
