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Biology and Medical
Exploring Blood Pressure: Measuring Hydrostatic Pressure?
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[QUOTE="Merlin3189, post: 6840866, member: 542077"] My understanding of BP is that it is measured by stopping the blood flow with a cuff - like a tourniquet. Then as the cuff pressure is reduced, you listen for the resumption of some flow and the resumption of flow for the whole cycle. The first of these would seem to me to represent purely the hydrostatic pressure. Since both measurements are achieved by measuring the pressure perpendicular to the flow, I suspect neither reflects a kinetic element. The Pitot tube has holes facing the flow and perpendicular to the flow. The first hole gives the total pressure (stagnation pressure) and I assume the other measures the hydrostatic pressure, which is subtracted to give the kinetic pressure. But as you can see, I don't actually know anything about it, other than having it measured. [/QUOTE]
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Exploring Blood Pressure: Measuring Hydrostatic Pressure?
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