I am always cautious of Dr Google.
Maybe he's just an old fat f*cker who eats stuff that clogs up his arteries.
Apparently he wears adult nappies too.
There's also the outline of a little box that seems to appear on his chest in many photo's/video's that suggest some sort of defib or heart regulator. He wears baggy clothing to conceal it.
The fluid retention will be being treated with diuretics but long term use of diuretics is Nephrotoxic.
[As previously posted]
I would say that the outbursts and the rampant Truth Social posts point towards Dementia. I don't care, the more illnesses the better. Maybe he'll pop his clogs in the night which will be pop corn time as the Vance's and the Rubio's and the Millers and that wrinkly prune RFK jnrs arrange themselves under the gazing eye of the rabid MAGA's left in the wilderness.