SAMUEL CANDEL, M.D.
In the original determinations on the velocity of blood flow in man by Blumgart and Weiss,1 a method was employed in which radium was injected. This required an elaborate apparatus for the detection of radium and did not lend itself to wide clinical use, so that in later studies, simpler methods were devised.
The vast majority of the tests now practiced have for their starting point the injection of some substance into a vein in the antecubital fossa. The time that it takes that substance to move in the blood stream to another fixed point is measured. Depending upon the
CANDEL S. DETERMINATION OF THE NORMAL CIRCULATION TIME FROM THE ANTECUBITAL VEINS TO THE PULMONARY CAPILLARIES BY A NEW TECHNIC1. Ann Intern Med. ;12:236–243. doi: 10.7326/0003-4819-12-2-236
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Published: Ann Intern Med. 1938;12(2):236-243.
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