Measurement of phasic velocities in vessels of intact freely beating hearts.

Abstract

The study of flow dynamics on the coronary microcirculation of the intact beating heart has been greatly hampered by the thickness of the tissue and its continual movement. Using fluorescent microspheres and video-image processing, we have devised a means to measure an index of blood velocities. Measurements were made on open-chest anesthetized cats without… (More)

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