This article is only available in the PDF format. Download the PDF to view the article, as well as its associated figures and tables.
To the Editor:—
Dr. Edward K. Markell (201:490, 1967) states correctly that many physicians are unaware of the proper time at which to take malaria smears. He refers to the "common practice of ordering smears... to be taken at the height of the patient's fever." He further states that such films "may be devoid of recognizable parasites, whereas those made 6 or 12 hours before or after the fever might contain them in abundance." This last statement is not borne out in practical experience. The major objection to films taken at the peak of fever or shortly thereafter is that
Shookhoff HB. Timing the Blood Smear For Malaria Diagnosis. JAMA. 1967;202(3):248. doi:10.1001/jama.1967.03130160122046