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Article
October 1929

EFFECTS OF DIATHERMY TREATMENTS ON TEMPERATURE

Author Affiliations

MINNEAPOLIS

From the Laboratory of Biophysics, University of Minnesota.

Arch Intern Med (Chic). 1929;44(4):556-559. doi:10.1001/archinte.1929.00140040094008
Abstract

This investigation was carried out to determine the influence of routine diathermy treatments on the general temperature of the patient and on the temperature of the surface of the skin under and adjacent to the electrodes. The temperatures were measured by a thermo-electric method. Copper-advance couples were used. One junction was kept near the body temperature in a thermostat similar to the one described by Clark,1 with a variation less than 0.02 C. The other junction was placed inside a hypodermic needle and soldered to the point of the needle. The temperatures were determined by means of a galvanometer.

The general temperatures of thirty-two patients receiving routine treatments were studied. A Victor diathermy machine was used. The temperature was recorded at the beginning and at the end of the treatment by placing the variable junction of the thermocouple under the tongue of the patient. The areas treated consisted of the

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