Hayden Goseek
Runs with Scissors 🛸🏴☠️
It's a measurement of the heart muscle's efficiency, Ejection Fraction. No pump operates at 100%, even the heart. But 55% is a lot of damage. I've seen people live on 10% but getting out of bed almost out of the question.I'll not link as I think you know what I meant.
I don't know what that means,