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# I would like help to calculate peak blood flow rate in aorta when given radius and peak blood velocity?

2 doctors weighed in
Dr. Bennett Werner
Internal Medicine - Cardiology
1 doctor agrees

## In brief: Bernoulli Equation

For peak pressure, you only need peak velocity.
Peak pressure is 4 x the square of the peak velocity. If the peak velocity is 4 m/s, the peak pressure is 64 mmHg. The peak velocity IS the peak flow rate. For example, if peak velocity is 5 l/min, then the peak flow rate is 5 l/min. Is that what you meant?

## In brief: Bernoulli Equation

For peak pressure, you only need peak velocity.
Peak pressure is 4 x the square of the peak velocity. If the peak velocity is 4 m/s, the peak pressure is 64 mmHg. The peak velocity IS the peak flow rate. For example, if peak velocity is 5 l/min, then the peak flow rate is 5 l/min. Is that what you meant?
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Dr. Tonga Nfor
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