He could develop toxic cardiomyopathy, but it is not that acute, and while it can in late stages cause dangerous arrhythmias, which some would conflate under “heart attacks”, a cardiomyopathy that advanced would also mean he is out of breath climbing up a flight of stairs, so probably no pickleball.
He’s had a long history of drug abuse as well though, which can have some pretty bad long term effects.
He could develop toxic cardiomyopathy, but it is not that acute, and while it can in late stages cause dangerous arrhythmias, which some would conflate under “heart attacks”, a cardiomyopathy that advanced would also mean he is out of breath climbing up a flight of stairs, so probably no pickleball.