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December 1911, Vol VIII, No. 6 >
ARTICLE | December 1911

THE COAGULATION-TIME OF THE BLOOD AS AFFECTED BY VARIOUS CONDITIONS

MYER SOLIS COHEN, M.D.
Arch Intern Med (Chic). 1911;VIII(6):820-850. doi:10.1001/archinte.1911.00060120106006.
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IV. PATHOLOGICAL CONDITIONS OF THE BODY INFLUENCING THE CLOTTING-TIME  There are a number of abnormal conditions probably affecting the coagulability of the blood while it is still in the vessels. I called attention to some of these several years ago.

1. Fever.  —The presence of fever apparently exercises no influence on the clotting-time. The latter was unaffected by the patient's temperature in my cases, as will be seen from the following tables. In order to permit of better comparison, all records made with Wright's tubes are also given in parentheses expressed in terms of my method.Hartman states that the clotting-time is normal at collapse temperature and in fever, having convinced himself through many dozens of tests that temperature changes of 2 to 3 degrees Centigrade do not alter the clotting-time, the latter being the same if the tested person has a temperature of

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