An Electric Device for Instantaneous and Continuous Computation of Aortic Blood Velocity

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Abstract
An electric device is described which computes the instantaneous aortic blood velocity from the pressure difference between two points along the aorta. The pressure difference was obtained from a specially designed double lumen catheter attached to a differential pressure gage. The aortic blood velocity curves obtained from 20 dogs compare closely with most of those appearing in the literature.