A working manual of high frequency currents / by Noble M. Eberhart.

  • Eberhart, Noble M. (Noble Murray), 1870-
Date:
[1911]
Catalogue details

Licence: Public Domain Mark

Credit: A working manual of high frequency currents / by Noble M. Eberhart. Source: Wellcome Collection.

Provider: This material has been provided by the Harvey Cushing/John Hay Whitney Medical Library at Yale University, through the Medical Heritage Library. The original may be consulted at the Harvey Cushing/John Hay Whitney Medical Library at Yale University.

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    Eczema. In the treatment of eczema the high frequency is an invaluable adjunct to the X-ray but may be used independently of it with successful re- sults. This disease reacts to the X-ray very quickly so that care must be used in the number and length of exposures. The high frequency is applied ac- cording to the technique described in Chapter VI, under skin diseases, where the body tube or the tube shown in Fig. 21, No. 11, is used with a suf- ficient amount of current to produce a spark from one-fourth to three-fourths of an inch in length, but during the greater part of the treatment it is kept in light contact with the surface, or the treatment is applied through a layer of gauze. Where there is intense itching it is found that raising the tube to produce a moderately sharp spark proves quickly effective and is very agreeable to the patient. As with the X-ray we must be careful and not treat the case too long at one sitting. From two or three to eight minutes daily or three times a week is advised; the shorter treatments should be given when used in connection with the X-ray. One of the high frequency X-ray tubes made