Surgery for Blocked Arteries Is Often Unwarranted, Researchers Find
I remember an interesting anecdote (maybe from a Malcolm Gladwell book or freakonomics) that on days when there were big heart conferences, deaths from cardiac related causes dropped. The implication was that cardiac doctors are all at these conferences so they can't order invasive procedures which their patients may not need.When all you have is a hammer, everything looks like a nail.Edit: the original study https://www.ahajournals.org/doi/10.1161/JAHA.117.008230