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Hello students, cardiac output is a measure of the amount of blood pumped by the heart, by the heart per minute and cardiac output is critical parameter in assessing cardiovascular function.
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It represents the volume of blood ejected from the heart's left ventricle into the systemic circulation in one minute.
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Next, factors that determine the cardiac output.
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There are two factors.
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First is heart rate and the second one is stroke volume.
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Heart rate refers to the number of times the heart contracts in one minute.
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It is influenced by autonomic nervous system, hormonal regulation and various other physiological factors.
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Stroke volume is the amount of blood ejected by left ventricle with each heartbeat.
01:31
It is determined by the preload, afterload and contractibility of the heart.
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Next, mechanisms that regulate these two factors...