Electricity in its relations to practical medicineAppleton, 1872 - 506 pages |
From inside the book
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Page 37
... excited by electric currents or by mechanical or chemical irritants , so that the first is rendered physiolo- gically active , and the latter caused to contract , and then placed at two symmetrical points in connection with the galvano ...
... excited by electric currents or by mechanical or chemical irritants , so that the first is rendered physiolo- gically active , and the latter caused to contract , and then placed at two symmetrical points in connection with the galvano ...
Page 42
... exciting current flows longitudinally than when it crosses the nerve at a right angle . The degree increases further with the density of the exciting current ; it , however , soon reaches its maximum , beyond which no increase takes ...
... exciting current flows longitudinally than when it crosses the nerve at a right angle . The degree increases further with the density of the exciting current ; it , however , soon reaches its maximum , beyond which no increase takes ...
Page 69
... excitement which for the normal skin is insupportable , and which , even to the skin deprived of ordinary sensibility , is exceedingly painful . If we connect the epidermis with the conducting wires of a Voltaic pile , there arises at ...
... excitement which for the normal skin is insupportable , and which , even to the skin deprived of ordinary sensibility , is exceedingly painful . If we connect the epidermis with the conducting wires of a Voltaic pile , there arises at ...
Page 71
... excited both by the constant and interrupted current , yet in a much greater degree by the former . This stronger effect of the constant current is especially remark- able by the irritation of the sense of vision : when we apply one ...
... excited both by the constant and interrupted current , yet in a much greater degree by the former . This stronger effect of the constant current is especially remark- able by the irritation of the sense of vision : when we apply one ...
Page 82
... excited in these muscles last , in contradistinction to those excited in the voluntary muscles , after the cessation of the irritation for some time , and spread from the muscular fibres in which they begin to others lying at a distance ...
... excited in these muscles last , in contradistinction to those excited in the voluntary muscles , after the cessation of the irritation for some time , and spread from the muscular fibres in which they begin to others lying at a distance ...
Common terms and phrases
acid action affected anæsthesia apparatus application atrophy attacked battery Bellevue Hospital bladder body caused cervical circuit condition conducting wires conductor connected consequence constant current continued contractions copper cure cylinder degree deltoideus diplegic direction disease dorsal Duchenne electric current electrical irritation electro-muscular contractility electrode elements especially excited extensor facial facial nerve faradization fibres fingers flexor foot forearm frequently galvanic current hand inches increased induced current induction intensity interrupted left side magnet means Medical Medicine metallic method minutes motion motor movements muscles muscular needle negative pole nerves nervous neuralgia nitric acid normal pain paralysis paralyzed muscles passed patient phalanges physician Physiology plate portion positive pole produced progressive muscular atrophy rectum reflex Remak result right side scapula sensation shoulder-blade skin spasms spinal marrow suffered swelling sympathetic symptoms temperature thigh thumb tion tissue trapezius upper uterus vertebral column Voltaic pile walk weeks zinc