. The treatment of disease by electric currents : a hand-book of plain instructions for the general practitioner . Grounding chain connected with negative pole. In this application alwaysconnect the platform with the positive pole, make direct metallic connectionwith the patient and place the electrode within about three inches of the fore-head. free from headache more than half the time, and that her headalways felt comfortable for the remainder of the day followingeach sitting. The curative tendency of electrification is very marked andvery persistent, but there are so many causes


. The treatment of disease by electric currents : a hand-book of plain instructions for the general practitioner . Grounding chain connected with negative pole. In this application alwaysconnect the platform with the positive pole, make direct metallic connectionwith the patient and place the electrode within about three inches of the fore-head. free from headache more than half the time, and that her headalways felt comfortable for the remainder of the day followingeach sitting. The curative tendency of electrification is very marked andvery persistent, but there are so many causes of headachewhich are beyond its reach that a reasonable amount of judg-ment must be employed in deciding whether to treat locallyor not, 724 TREATMENT OF HEADACHES. I have referred to the application of a sedative breeze uponthe site of pain, but will here call attention to the great efficacyof ;a counter-irritant spray or series of fine sparks upon theneifve centres at the base of the brain. Galvanic and Faradic Methods.—Apart from the generaluses of central galvanization and general faradization for con-. Fig. 349. Sponge-covered hand electrode. ditions of which headache is a symptom the local applicationconsists usually in placing two electrodes, one on the foreheadand one over the lower cervical spine, and passing a mildconstant current of about 4 mil. or a rapidly interrupted high-tension coil current. The frontal electrode is usually madepositive, but in chronic anaemic cases it may be made nega-tive. -Owing to the dependence of headaches upon causesoutside of the head, the chief value of electricity is its curativeaction under persistent treatment rather than its power topalliate the pain during an attack. Hemicrania.—Galvanic.—Apply the positive electrode tothe forehead and the negative to the cillio-spinal increase the constant galvanic current up to four orfive mil. Maintain until pain ceases. Repeat p. r. n. It is generally recommended to also


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