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(Circulation. 1952;5:594.)
© 1952 American Heart Association, Inc.

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Tissue Clearance as a Measure of Nutritive Blood Flow and the Effect of Lumbar Sympathetic Block upon Such Measures in Calf Muscle

SAMUEL I. RAPAPORT M.D.¹; ALBERT SAUL B.S.¹; CHESTER HYMAN PH.D.¹; M. E. MORTON PH.D., M.D.¹

¹ From the Department of Physiology, School of Medicine, University of Southern California, Los Angeles, and the Radioisotope Unit of the Veterans Administration Hospital, Long Beach, Calif.

This paper reports the effect of procedures known to alter local blood flow upon the rate of removal of locally injected Na²⁴ and I¹³¹. An evaluation of this clearance method as a measure of nutritive blood flow is made. A second purpose is to report the lack of effect upon clearance from calf muscle of lumbar sympathetic block, and to discuss its therapeutic implications.

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