I would suggest doing what I do. I have an exercise physiologist as a coach and he monitors FF data from every WO session for ecg irregularities. He has been giving me power based WOs. I,m a cyclist also. Good luck

From all the research I’ve been doing it seems like just don’t sustain a heart rate of that high. So if you set the device to right before that limit, instead of riding through like normal (I tend to overexert myself to just finish) It would make sense to break from normal and do a bit of meditation, lower your heart rate, drink a bit of water.…Read More

I’m the same age, but most of my activity is running. I constrain my training HR – for example when HR = 125 I reduce my pace or walk until it drops to 115, then re-commence. Later in the training cyle constrain at HR 135. This type of training I believe works on the ATP cycle which supports increase in stamina and endurance (below the lactate…Read More

I would listen to your cardiologist. Also, you may want to get your max heart rate tested. Those calculations are just averages and may not accurately reflect your true max heart rate.