File:The Journal of laboratory and clinical medicine (1915) (14764684372).jpg

Identifier: journaloflaborat05cent (find matches)
Title: The Journal of laboratory and clinical medicine
Year: 1915 (1910s)
Authors: Central Society for Clinical Research (U.S.)
Subjects: Biological Assay Diagnosis, Laboratory Disease Medicine Medicine Research
Publisher: St. Louis, C. V. Mosby
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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heart extract. Using both antigensin a series of several hundred sera only a few variations occurred, and in thesecases the cholesterinized antigen picked up plus minus reactions which werenegative with the other antigen. Both antigens checked up very nicely the anti- 98 THE JOURNAL OF LABORATORY AND CLINICAL MEDICINE ,svi)hililic trentnieiit given the patient^. Unfortunalely no data could Ije slatheredto show the percentage of positive Wasserniann tests obtained in the variousstaoes of syphilis. Form 97, Medical Department, U. S. Army, sent with thefirst blood specimen of each patient, requires the following information given:Date of infection, stage of disease, present symptoms, and clinical diagnosis.Many of the forms recei\ed at the laboratory show that the medical officersfailed to give the required informaticjn. COLLECTION OP SPECIMENS Blood sjiecimens were obtained according to the method described in theMedical War Manual No. G. Paint the area o\er the veins at the bend of the
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Fig. 1.—Method of obtaining blood specimen. ell)()w with linclure of iodine. /Vpll) a tourniquet to the middle of the armand instruct the patient to extend the arm fully, open and close the hand severaltimes, and then make a fist. The \cins will become jirominent and can be en-tered easily. Insert a needle of about 20 gauge* (the ordinary Luer syringe needle)into the vein, exercising great care that the needle lies flat and enters the\ein almost parallel to the skin surface, thus avoiding passing through thevein. As soon as blood flows from the needle till the distal (to the patient) The 18 g.-iugc was f.uui.l to In- Ihc most sirvictablc. I.VCIDEXCE OF SYPHILIS AMOXG WHITE AND COEORED TROOPS 99 end and permit the blood to run into a sterile test tube. The flow of blood canbe accelerated by the patient, alternately opening and closing the fist. (Fig. 1.)Sterility of test tubes for collecting blood specimens was disregarded; em-phasis was laid rather on their cleanliness. Thorough soa

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