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cardiac output

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What are the two factors of cardiac output?

The stroke volume and the heart rate. The stroke volume is the volume of your blood and heart rate is how many beats there are per minute.


What is the product of the stroke volume and heart rate?

pulse rate


Cardiac output is determined by?

Cardiac output is determined by the heart rate and stroke volume. The heart rate is the number of heartbeats per minute, while stroke volume is the amount of blood ejected from the heart with each beat. Cardiac output is calculated by multiplying heart rate by stroke volume.


What does cardiac output do if the heart rate decreases?

Cardiac output = heart rate X stroke volume Thus, if the heart rate decreases so will the cardiac output, assuming the stroke volume is constant.


What is cardic output?

Cardiac out put is the volume of blood pumped by the heart per minute. Cardiac output is a function of heart rate and stroke volume. The heart rate is simply the number of heart beats per minute. The stroke volume is the volume of blood, in milliliters pumped out of the heart with each beat. Increasing either heart rate or stroke volume increases cardiac output.


How is cardiac output calculated?

Cardiac output is calculated by multiplying the heart rate (number of heartbeats per minute) by the stroke volume (amount of blood ejected by the heart with each beat). The formula is: Cardiac output = Heart rate x Stroke volume.


What are the two components of cardiac output?

The two components of cardiac output are heart rate (the number of times the heart beats per minute) and stroke volume (the amount of blood pumped out of the heart with each beat). Multiplying heart rate by stroke volume gives the cardiac output, which represents the total volume of blood pumped by the heart per minute.


What effect does decreasing stroke volume have on pump rate?

Decreasing stroke volume leads to compensatory mechanisms such as increasing heart rate (pump rate) in order to maintain cardiac output. This relationship is known as the Frank-Starling mechanism, where the heart adjusts its pumping rate to accommodate changes in stroke volume.


What is the difference between stroke volume and cardiac output?

Cardiac output is the blood volume pushed out by the left ventricle per minute. Stroke volume is the volume of blood pushed out of the left ventricle per contraction of the heart (each heart beat). So stroke volume into heart rate / minute gives you cardiac output.


Why does increasing heart rate increase stroke volume?

Increasing heart rate does not increase stroke volume. At first, increasing exertion increases both heart rate and stroke volume. As the heart rate increases, the time spent in diastole decreases, so there is less time for the ventricles to fill with blood. The stroke volume therefore stops increasing, and as the heart rate approaches the maximum heart rate the stroke volume may begin to decrease.


Does the cardiac output equal heart rate multiplied by stroke volume?

Yes. CO = HR x SV CO - cardiac output HR - heart rate SV - stroke volume


Which of the following would cause the greatest increase in cardiac output?

Increased heart rate and increased stroke volume