How do you calculate the volume of blood your heart pumps in an hour?
Answers
Answer
T=60⋅V⋅r, where T is the total in an hour, 60 due to minutes in an hour, V is the volume of blood per beat, and r is the resting heart rate in beats per minute.
A human (~adult) heart pumps between 60 and 90ml of blood each contraction, so a good average would be anywhere from 70 to 80ml to use in calculation.
I'll use 75, though it would vary with age, person, and instantaneous exertion, presumably.
Take your resting heart rate in beats per minute. Take it a few times and find the average for the most accurate value.
Do the calculation
T=60⋅V⋅r,
where T is the total blood pumped, V is the volume per pump (75 in this approximation, r is resting heart rate and 60 is for the number of minutes you want.
With units, this is
Tml=60min⋅Vmlbeats⋅rbeatsmin,
so the min and beats units cancel, leaving only ml.
Say your resting heart rate is 80beatsmin, then the total blood pumped in one hour is approximately
T≈60⋅75⋅80=360,000ml=360L
Answer:
Heya babes here's ur answer
Cardiac output is determined by multiplying the number of heartbeats per minute times the volume of blood pumped by the ventricles with each heartbeat. Therefore, we can use the equation CO = HR x SV.