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June 19, 1897


JAMA. 1897;XXVIII(25):1160-1163. doi:10.1001/jama.1897.02440250002001a

The experiments on animals for inducing shock were reported before the American Medical Association, May, 1896. In these experiments the color changes in the abdominal viscera were noted, the blood pressure in both arteries and veins in the peripheral circulation as well as the central. I will give a brief résumé of some of these experiments.

Experiment No. 1 showed that after exposure of the stomach and intestines to draught of air from an open window, temperature 58, profound shock resulted. The gastric veins within half an hour were all congested. Respiration shallow; pulsations weak. The chloroform was pushed to the extreme; animals stopped breathing. Withdrawal of chloroform and artificial respiration did not excite respiratory movements. The intragastric resuscitator1 was introduced into the stomach, and hot water 130 F. As soon as the water returned from the other side of the double tube, and more hot water introduced the animal