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Article
November 18, 1899

DIAGNOSIS OF MALARIAL AND TYPHOID FEVERS.

JAMA. 1899;XXXIII(21):1298. doi:10.1001/jama.1899.02450730054011
Abstract

It might be somewhat epigrammatically stated that the diagnosis of malarial fever and of typhoid fever, both direct and differential, should be ordinarily possible by means of the microscope and the temperature-chart, controlled by a little cerebral cortex. In a particularly interesting and valuable address delivered at the meeting of the New York State Medical Association, held recently in New York City, Dr. Wm. Osler1 pointed out that any continued fever in the northern and middle United States is almost certainly not malarial, as in those regions the form of malarial fever that occurs is almost exclusively of quotidian, tertian, and quartan intermittency, and the hematozoa are easily recognizable, while the attacks are readily curable by the administration of quinin; while in doubtful cases of typhoid fever the results of examination of the blood and of the urine for the Widal and the diazo reactions should go far to

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