A manual of practical medical electricity : the Röntgen rays and Finsen light . tor power at the sixth week. Thedotted Hne represents the voluntary motility; the star indicatesthe return of motor power (after Erb). conduction of electrical stimuli, and eventually leads tocomplete loss of the nerve irritability. 2. The disappearance of the muscular irritability tofaradism corresponds to degeneration of the intra-muscular nerve fibrils and motor end plate {vide p. 184).(Liebig and Rohe do not accept this view.) 2i8 A Manual of Practical Medical Electricity 3, The serial and modal changes are due
A manual of practical medical electricity : the Röntgen rays and Finsen light . tor power at the sixth week. Thedotted Hne represents the voluntary motility; the star indicatesthe return of motor power (after Erb). conduction of electrical stimuli, and eventually leads tocomplete loss of the nerve irritability. 2. The disappearance of the muscular irritability tofaradism corresponds to degeneration of the intra-muscular nerve fibrils and motor end plate {vide p. 184).(Liebig and Rohe do not accept this view.) 2i8 A Manual of Practical Medical Electricity 3, The serial and modal changes are due to degenerationof the muscular substance itself. (Loss of striation, pro-liferation of nuclei, etc.) 10 15 20 25 30 35 40 45 50 weeks. MotilityI f VFarad. J3 -! farad, ex-^ V citability iHUnililiiiiM Fig. 115.—Scheme of the Reaction of Degeneration. A severe form in which motor power was not recovered for thirtyweeks (after Erb). 4. The gradual diminution and loss of the muscularirritability to galvanism are due to progressive cirrhosisof the muscle. 30 40 50 fo 79. Motility « I Farad. ... ^ rOalv. andJ3 -! farad, ex-^ V citability Fig. 116.—Scheme of the Reaction of paralysis (after Erb). The accompanying charts of Professor Erb will serveto demonstrate the phenomena. Varieties of A case of complete and typical has been described,but such a case is not always met with ; there are manydegrees of the condition classed under the general term, Partial , or Atypical In the most important variety the nerve may be quiteunable to conduct voluntary impulses, though it retainsthe power of conducting, often somewhat less efficiently, Electro-Diagnosis 219 faradic and galvanic stimuli. The muscles respond tofaradism, but in a diminished degree, while the responseto galvanism is characterized by the serial and pathogno-monic modal changes of complete (Fig. 117). In another variety, occurring sometimes in lead para-lysis, a comple
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