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Measurement of the Regional Distribution of Arterial Blood Flow in the Human Forearm and Hand¹

Baltimore, Maryland

ABSTRACT

The regional distribution of blood flow through vessels less than about 15 micra in diameter in the forearm, hand, and finger was measured by radioisotope scanning after intra-arterial injection of 300 µC of ¹³¹I labeled macroaggregated albumin. The blood flow was distributed primarily to the muscle masses. In 11 selected control subjects, plus three patients with clubbing of the fingers and three patients with Raynaud's phenomenon, the regional distribution of blood flow in the forearm, hands and fingers was essentially the same.

FOOTNOTES

¹ From the Division of Nuclear Medicine, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21205. Aided by U.S. Public Health Service Grant #GM 10548.