MEDICAL PHYSIOLOGY

PHYSIOLOGY

CARDIOVASCULAR PHYSIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Cardiac output can be calculated using which of the following formulas?
A
Heart rate/stroke volume = cardiac output
B
Stroke volume/heart rate = cardiac output
C
Heart rate x stroke volume = cardiac output
D
Heart rate2 x stroke volume2 = cardiac output
Explanation: 

Detailed explanation-1: -The heart rate multiplied by the stroke volume gives the cardiac output. The formula is given as CO = HR SV.

Detailed explanation-2: -Cardiac output = heart rate x stroke volume Stroke volume = cardiac output ÷ heart rate.

Detailed explanation-3: -Cardiac output is the product of heart rate (HR) and stroke volume (SV) and is measured in liters per minute. HR is most commonly defined as the number of times the heart beats in one minute.

Detailed explanation-4: -Cardiac output = heart rate x stroke volume The equation can be rearranged to find the heart rate and stroke volume if required: Heart rate = cardiac output ÷ stroke volume. Stroke volume = cardiac output ÷ heart rate.

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