The Physiologic Importance of Pulsatile Blood Flow

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Abstract
NOT since the time of Hippocrates has the diagnostic value of the arterial pulse been disputed. Yet its role in physiology is considered of little, if any, consequence. Typical of this attitude was Wesolowski's1 statement that "the presence of the pulse may represent nothing more in physiological terms than an expression of the limitations of the organic heart design." Indeed, this concept is reflected by clinicians using "nonpulsatile"† delivery of blood during partial and total body perfusion. We should like to propose that a review of the physiologic disturbances encountered in "nonpulsatile" perfusion and a consideration of the progressive phylogenetic . . .

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