Calculating your Cardiac Output…

[Ryan Gardner]

Does anyone know how to calculate your cardiac output? Of course, without being in a labratory, it's going to be an estimate at best.

(I'm searching for things on google, but you never know what you are going to get from the internet).

[Greg Mihalik]

"Stroke Volume" or "VO2Max" ?

[Ryan Gardner]

I think my Physiology prof. said VO2 max was really hard to calculate. Do you know a way?

I need to know stroke volume for my test next week….
Stroke Volume would be "End Diastolic Volume – End Systolic Volume", but I don't know how to calculate EDV and ESV.

Cardiac Output, or the amount of blood that gets pushed through your body in one minute, is what I am looking for. Average male at rest is 5L. It can get up to 30L/min for elite athletes.

[Ryan Gardner]

I think in order to calculate one of the steps for CO, you need to know SV.

[Greg Mihalik]

"I think my Physiology prof. said VO2 max was really hard to calculate. Do you know a way?"

Ryan,
I do not. But Google "joe friel" and "vo2 max" to get some ideas. Typically it is quantitativly found in a lab, monitoring respiration gases as levels of exertion go to max. For a cyclist it's associated heart rate is a percentage of HR max., but that doesn't lead to "52 L/min.".

Good Luck.

[Michael Chamoun]

To be most accurate you need to run on a treadmill in a lab with all the necessary equipment etc.
There is a rough estimate way of getting VO2 Max and that is running 1.5 miles and using time and pluggin it in a formula.

[David Wills]

this is a general guide based on running times, but is derived from lots of research and stats:
http://www.runnersweb.com/running/vo2.shtml

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