Direct Pressure Measurement

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Direct Pressure Measurement
Direct Pressure MeasurementWhen more accurate pressure measurements are required, it becomes necessary to make a direct measurement of blood pressure. Two methods that are described below involve using either an intravascular catheter with a strain gauge measuring transducer on its tip or an extravascular transducer connected to the patient by a saline-filled tube.
Intravascular; Strain Gauge—Tipped Pressure Transducer Transducers are devices that convert energy from one form to another. It is often desirable to have electrical output represent a parameter like blood pressure or blood flow. Typically, these devices convert some type of mechanical energy to electrical energy. For exam…
Lee Waite, Ph.D., P.E.; Jerry Fine, Ph.D.: Applied Biofluid Mechanics, Second Edition. Direct Pressure Measurement, Chapter (McGraw-Hill Professional, 2017), AccessEngineering Export