Peter Attia· MD
So the femoral artery is a major offshoot of the aortic, feeds your leg oxygens. You go into the crease in the groin and you can, anybody can feel their pulse there. So if you feel that, that's your femoral artery. That's about the size of your, you know, somewhere between your pinky and your middle finger. I mean, that's a monster artery and you're putting a catheter in there.