Indirect Pressure Measurements


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Indirect Pressure Measurements
Indirect Pressure MeasurementsAn important example of a noninvasive, indirect measurement is the measurement of blood pressure using a sphygmomanometer. This type of measurement is routinely used in clinical practice because of its relative ease and low cost.A sphygmomanometer has a cuff that can be wrapped around a patient's arm and inflated with air. The device includes a means for pressurizing the cuff, and a gauge for monitoring the pressure inside the cuff. When the pressure inside the cuff is increased above the patient's systolic pressure, the cuff squeezes the arm, and blood flow through the vessels directly under the cuff is completely blocked. The pressure inside the cuff is released slowly, and when the cuff pressur…
Citation
Lee Waite, Ph.D., P.E.; Jerry Fine, Ph.D.: Applied Biofluid Mechanics, Second Edition. Indirect Pressure Measurements, Chapter (McGraw-Hill Professional, 2017), AccessEngineering Export