Moreover, the disease ¡s already widespread throughout the country, and experience with other infectious discscs lnis shown the difficulties which beset the el "diction of " widespread endemic infectious disease by quarantine alone. Finally, it will he difficult to estimate the efficacy of preventive mesures, since it is impossible to foretell the extent to which the discs,, is likely to sprcd in "ny community without the application of restrictive measures. If. however, the above measures actually prevent even a small proportion of cases they are justified.
Tbc above claims are based on experiments performed on dogs. The transfusion of blood was obtained by em¬ ploying veins; as jugular to jugular or better, jugular to femoral, in Ibis way eliminating any possible negative pressure or siiclion. No difficulty was encountered in successfully transfusing enough blood to resuscitate a dog that was practically exsanguinated. This experi¬ ment could be repeated again anil again on Ibe sume dog by clumping Ibe donor's vessel and bleeding the recip¬ ient until practically pulseless; (be clump was then removed and the blood allowed lo enter the recipient's circulation until Ibe pulse and respiration returned to normal, while symptoms of hemorrhage developed in the donor. Communication between the veins was estab¬ lished by means of Sweet's modification of Payr's tubes. In concluding, we wisli to express our appreciation of the services rendered by Messrs, Burleigh, llnywiird, Pitt and McElbone, undergraduates in the University of Pennsylvania. No'l'io.-After this paper liad been put in type, we performed a vein-to-vein transfusion on ¡i woman for a very severe hemorrhage following a ruptured extrauterino pregnancy. The pulse before was very weak and rapid, about 160 per minute, Five minutes a Her the medial cephalic of the husband was connected to the median cephalic of the wife the pulse was much fuller and 140 per minute. After the blood had Sowed thirty minutes the pulse was good, full and 120 per minute. No abnormal heart sounds could be heard,
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