Here are Professor Prasad’s exact words:
It’s not just the tip of the distribution that has elevated high sensitivity troponin, it’s that the entire distribution is right shifted. Everybody’s having a little bit of elevation in high sensitivity troponin. That’s what this graph would have you infer.
You get a troponin elevation when there is damage to your heart:
Troponin is a type of protein found in the muscles of your heart. Troponin isn’t normally found in the blood. When heart muscles become damaged, troponin is sent into the bloodstream. As heart damage increases, greater amounts of troponin are released in the blood