the jabs worked over time to cause micro clots
it affected his heart
caused a heart attack
if they do an autopsy i am sure thet will find his heart muscle full of spike proteins and very stiff
First Autopsy of COVID Vaccinated Patient Found Viral RNA In Every Organ of Body!
This is different article.

It’s possible a reaction to the vaccine was involved but it could be unrelated.
Given 300 million shots have been administered if it caused heart attacks there’d be a huge heart attack epidemic.
The Covid fear hypers tried to tie heart attacks to Covid too. Anyone who’d had Covid and later had a heart attack was said to have died from Covid.
It might not have been wise to mix the vaccines.