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# How is cardiac output calculated?

2 doctor answers7 doctors weighed in
Cardiology 38 years experience
Indirectly: Indirectly, by equating the right cardiac output with the left cardiac output and putting a swan ganz catheter into the pulmonary artery. Or calculating the difference between the arteriol and venous oxygen content; this is called the fick formula.
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Interventional Cardiology 25 years experience
Cardiac output: There are different ways to calculate cardiac output. There is the fick equation which takes into account the pulmonary artrery oxygen saturation and the systemic oxygen saturation. Thermodiulution uses tempoeratur difficerncess in a swan ganz catheter and calculate co. Additionally co= strove volume x the heart rate.
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## How do you calculate? Cardiac output?

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Cardiology 35 years experience
Several: Can use 2d echo, mra of heart, and right heart cath. Cardiac output is the measure of how many liters per minute the blood is being circulated in the body.
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## What's cardiac output?

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Cardiology 40 years experience
Heart pump volume: The cardiac output is the volume of blood per minute pumped by the heart. Cardiac output is equal to heart rate multiplied by stroke volume (the volume of blood ejected with each heartbeat).
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