Originally Posted by javacontour
This just seems obvious. Pumping is not linear to heart rate. That's how I figured it, but I don't have any data to point to how much efficiency is lost as heart rate rises.
Originally Posted by spasm3
Originally Posted by Ws6
As rate increases, efficiency decreases. Especially once you lose the atrial kick.
That, and as heart rate goes up, the diastolic filling period is what gets shortened. Less filling time is less volume in the chamber= less output.
At a certain point it turns into a tachycardia and you don't get any efficiency.
This just seems obvious. Pumping is not linear to heart rate. That's how I figured it, but I don't have any data to point to how much efficiency is lost as heart rate rises.
Originally Posted by spasm3
Originally Posted by Ws6
As rate increases, efficiency decreases. Especially once you lose the atrial kick.
That, and as heart rate goes up, the diastolic filling period is what gets shortened. Less filling time is less volume in the chamber= less output.
At a certain point it turns into a tachycardia and you don't get any efficiency.