I got this treatment when they placed an aortic balloon pump to prevent me from going into cardiac arrest before heart surgery. It’s apparently so rarely used and only on such severe cases that EVERY cardiologist and surgeon in the very large NYC hospital visited my room that night. The fun part is it’s inserted in the femoral artery in the groin and fished up to the heart, so these total strangers would stare at my chart then lift my blanket and move my genitals aside to take a peek. Such fun.