. Electricity : its medical and surgical applications, including radiotherapy and phototherapy . Applying absorbent cotton to electrode disk, first stage. (Massey.) dence, and further treatment could not be carried out. As a matter offact, it is rarely necessary to cause it. Do not, unless necessary, placethe electrodes over bones which are thinly covered with soft tissues, asthe tibia, as considerable pain is produced by so doing. Strong currents,if interrupted, should never be employed about the head or face. Fig. 153. Applying absorbent cotton to electrode disk, second twisted ab
. Electricity : its medical and surgical applications, including radiotherapy and phototherapy . Applying absorbent cotton to electrode disk, first stage. (Massey.) dence, and further treatment could not be carried out. As a matter offact, it is rarely necessary to cause it. Do not, unless necessary, placethe electrodes over bones which are thinly covered with soft tissues, asthe tibia, as considerable pain is produced by so doing. Strong currents,if interrupted, should never be employed about the head or face. Fig. 153. Applying absorbent cotton to electrode disk, second twisted about the shank. The cotton is fixed in place by being (Massey.) Vertigo is sometimes caused by applications to this region. In thislocality especially treatment should be begun with exceedingly mildcurrents, which may be increased in subsequent treatments as toleranceis estabHshed. GALVANIC, FARADIC, AND SINUSOIDAL CURRENTS 199 To insure the non-causation of pain, it is a good plan to ascertainfirst that the apparatus is working properly. This is best done bytesting it upon ones self. The application should be begun with the weakest obtainable current,which is gradually increased until the desired effect is obtained. In the case of children or very nervous and timid people, the electrodesmay first be placed in position and allowed to remain for a few momentswithout the current being turned on. It may then be gradually increasedas above stated. In some cases of such nature it may be well not toemploy the full stren
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