Originally Posted by
bikebikebike
The Beta-blockers ( metoprolol, carvediol and others) that are the standard of care post MI make max HR almost impossible to use as a metric for training.
Indeed, I asked the cardiac rehab person: What HR should I target? She said, don't. Instead, one of the goals of the rehab training is getting people to recognize other hallmarks of an appropriate workout level when they're exercising on their own.