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Circulation. 1963;28:421-426

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(Circulation. 1963;28:421.)
© 1963 American Heart Association, Inc.


Digital Hemodynamics in the Normotensive and Hypertensive States

II. Venomotor Tone

FRANCIS S. CALIVA M.D.1; RUDOLPH J. NAPODANO M.D.1; RICHARD H. LYONS M.D.1

1 From the Department of Medicine, State University of New York Upstate Medical Center, Syracuse, New York.

By use of the technic of rheoplethysmography, it has been demonstrated that the small veins and venules participate in the over-all increase in peripheral resistance in hypertension.

An arbitrary grading of the degree of venomotor tone in hypertension has been established.