. The treatment of disease by electric currents : a hand-book of plain instructions for the general practitioner . gativeneedle an ordinary hand electrode pressed upon the skin nearthe naevus. Reverse the polarity so that the positive needlebecomes negative and pass a current of about one mil., untilthe needle loosens and comes out easily. Throw both needlesaway after once using. Some pain will be felt, the part will be black and blue, andserum will ooze from the puncture for some time. The com-fort of a private patient may be considered by first usingcocaine, and after the sitting applying a
. The treatment of disease by electric currents : a hand-book of plain instructions for the general practitioner . gativeneedle an ordinary hand electrode pressed upon the skin nearthe naevus. Reverse the polarity so that the positive needlebecomes negative and pass a current of about one mil., untilthe needle loosens and comes out easily. Throw both needlesaway after once using. Some pain will be felt, the part will be black and blue, andserum will ooze from the puncture for some time. The com-fort of a private patient may be considered by first usingcocaine, and after the sitting applying a sedative lotion to re-duce the swelling and ecchymosis. One sitting usually suf^ces, but one, two or three monthstime will be required by nature to complete the process ofrestoring the tissues to nearly normal, for all galvanic burnsheal slowly. By this method care must be taken to avoid ex-treme electrolytic action and an objectionable scar. Warts.—While preparing apparatus place a pledget of ab-sorbent cotton wet with hot alkaline water upon the wart to GALVANIC AND FARADIC CURRENTS IN SKIN DISEASES. IOI3. Fig. 432. Set of assorted needles for electrolytic work. soften the tissues. Place a positive felt-covered, flat electrode,about 3X4, on any convenient situation near by and insert asharp flat Hagadorn needle through the base of the the needle with the negative pole of the galvanicbattery. Carefully increase the constant galvanic currentthrough a rheostat from zero up to about 2 mil, and whenelectrolytic action has visibly taken place for about a minutereduce the current to zero and withdraw the needle. Timecompletes the process. It is but slightly painful, and in the case of an unusuallylarge or sensitive growth local anaesthesia could of course befirst secured. After several months the cicatrix will be scarcelyvisible. Remarks.—To remove small superficial growths of the skinor mucous membranes such as naevi, warts, fibrous and hairygrowths, polypi, etc.
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