Operative surgery . be definitely determined, any furtherelucidation in this direction is not necessary. The ability to fix the seat ofoperation by cranio-cerebral topography only leaves for consideration the technique of opera-tive procedure. The Prepara-tion of the Patient.—The administra-tion of bromidesfor a week or so be-fore the operationand of morphin orergot a short timebefore, is sometimespracticed with thebelief that both ce-rebral vascularityand excitability arelessened by thesemeans. Certainlya judicious use ofthese agents cando no harm, andthey are likely to dogood. The bowelsshou
Operative surgery . be definitely determined, any furtherelucidation in this direction is not necessary. The ability to fix the seat ofoperation by cranio-cerebral topography only leaves for consideration the technique of opera-tive procedure. The Prepara-tion of the Patient.—The administra-tion of bromidesfor a week or so be-fore the operationand of morphin orergot a short timebefore, is sometimespracticed with thebelief that both ce-rebral vascularityand excitability arelessened by thesemeans. Certainlya judicious use ofthese agents cando no harm, andthey are likely to dogood. The bowelsshould be movedfreely the night be-fore the operation,and light diet only should precede it and at a proper interval. The pa-tients scalp should be closely shaved, scrubbed, disinfected thoroughly,and surrounded with antiseptic gauze bound firmly in place with antisepticbandages on the day before the operation, if possible. Before the admin-istration of the anaesthetic the situation of important fissures and the pro-. FiG. 388.—Lucas-Championnieres Lines. A B. Horizontal line extending from outer angle of orbit (twoand four fifths inches long). B C. Line extending upward tolower end of central fissure (one and a fifth inches long). end central fissure (half inch behind mid-sagittal point).C D. Course of central fissure. 1. Speech center. 2, 3, and4. Centers of arm, leg, and face respectively. OPERATIONS ON THE NERVOUS SYSTEM. 251 posed seat of the operative attack should be indicated on the scalp with tinc-ture of iodine, an aniline pencil, fine cautery lines, or by other suitable the patient on the operating table, with the head elevated, exposed to agood light and placed on a firm support covered with an antiseptic rubbersheet. Chloroform is the preferable anaesthetic in these cases, because theadministration is followed by a minimum of cerebral congestion and excite-ment. Morphin should be given more cautiously with chloroform anaesthesiathan with that of
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