Is it not myocardial infarction (heart attack)?

Could be a fat embolus in his lungs.

I don't think it'll turn into a myocardial infarction.

And sure enough, we found a dose response relationship, just like we found in the arterial blockages in our cardiac studies.

But if he continues to overwork himself like this, there's more than a chance for it to turn into a myocardial infarction.

We're clogging the ocean, poisoning the planet's circulatory system, and we're taking out hundreds of millions of tons of wildlife, all carbon based units.