My Quora Answer to:
Can a man with a weak heart die from an organism?
Orgasm?
If you mean orgasm then the answer is “yes.” The best celebrity anecdote is from Richard Pryor whose own father “came and went” at the same time while having sex with one of his own prostitutes (he was a pimp).
These days, we older men with heart disease need to be extra careful because taking nitroglycerin, having Coronary Artery Disease, and using Viagra to flog a dying horse, all add up to what our special needs government calls a “Black Box Warning.” In other words, proceed with caution. But in all honesty, no one ever in the midst of passion has stepped back to say, “hey, let's think about this first.”
Sildenafil, the generic name/form of Viagra, works by relaxing the smooth muscles that line the arterial (oxygen-carrying) side of our blood system. In penises, that's a good thing. But in horny old men, that means a lot of the blood moves from the core (heart, lungs, etc.) to the periphery, leaving less blood to oxygenate these vital organs. So, at the moment of ecstasy there is a battle, and the poor ol' geezer often loses.
Taps are now on order.
http://upwardsbound.blogspot.com/2019/10/death-by-ecstasy.html