They said they told him how researchers would induce hours-long heart attacks as part of efforts to improve medical imaging processes for humans.
If only you'd bother actually reading the whole article, the same phrase you took a bit from actually explains why they do that. But no, better to just attack the whole thing pretending we do that for fun.
It does, maybe it's just not precise enough for you, but it does. Medical imaging for humans. What do you actually want?
I don't believe you're here to argue in good faith anyway.
Edit: I also notice that you carefully avoided another answer that goes into much more details than mine. Yeah you're not here in good faith.