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August 11, 1928


Author Affiliations


From the Hospital of the Rockefeller Institute for Medical Research.

JAMA. 1928;91(6):367-371. doi:10.1001/jama.1928.02700060001001

In several previous communications1 we have presented the results of experiments designed to study the nature of the diathermy current and the bodily response to it. These experiments were concerned chiefly with the localization and distribution of heat generated in the tissues by the passage of the current. From the facts observed there can be no doubt that the current actually penetrates to the interior of the body and is conducted by the organs lying in the path of the electrodes. Indeed, recent studies of one of us (R. V. C.) indicate that the diathermy current passes through the living cell and that heat is actually generated in the cell. In our experiments, performed for the most part on anesthetized dogs, we were interested chiefly in the heat production in the dog's lung. The lung temperatures were measured by means of specially prepared thermocouple needles, which were thrust into

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