Question

In a cardiac output of 5250 ml per minute, with 75 heartbeats per minute, the stroke volume is

Answer 1

as per formula stroke volume is

cardiac output / no. of heart beats per minute

=5250/75 = 70ml

Answer 2

If the cardiac output is 5250 ml per minute and the heartbeat is 75 per minute then stroke volume is 70 ml.

Solution:

Cardiac output = 5250 ml per minute  

Heartbeat = 75 per minute

According the formula:  Cardiac Output = $Heart\ Rate \times Stroke\ Volume$

Cardiac Output / Heart Rate= Stroke Volume

So, we need to divide the value of the cardiac output with the value of the heart rate then we can get the value of stroke volume.

Stroke Volume = $\frac{5250}{75}$

Stroke Volume = 70 ml