Electricity in its relations to practical medicineAppleton, 1872 - 506 pages |
From inside the book
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Page 17
... position of the needle , the following rule of Am- père is used : Imagine to yourself a human figure , intro- duced into the current so that it enters at the feet and goes out at the head . If the figure turns its face toward the needle ...
... position of the needle , the following rule of Am- père is used : Imagine to yourself a human figure , intro- duced into the current so that it enters at the feet and goes out at the head . If the figure turns its face toward the needle ...
Page 37
... position only so long as the nerve or muscle was kept in the state of excita- tion , and that when the excitation ceased the quiescent nerve - current reappeared . This is the uniform action of the nerves and muscles on the magnetic ...
... position only so long as the nerve or muscle was kept in the state of excita- tion , and that when the excitation ceased the quiescent nerve - current reappeared . This is the uniform action of the nerves and muscles on the magnetic ...
Page 38
... position to the equator or the long axis , that is , two points of unequal tension , the needle is deflected in proportion to the degree of tension ; and , finally , it explains the direction of the currents , since points of less ...
... position to the equator or the long axis , that is , two points of unequal tension , the needle is deflected in proportion to the degree of tension ; and , finally , it explains the direction of the currents , since points of less ...
Page 40
... position . If , now , we contracted the muscles of one arm and one hand , while we grasped the handle firmly , the needle immediately turned from 10 to 20 degrees toward one side . Now , if , at the moment the needle began to move in ...
... position . If , now , we contracted the muscles of one arm and one hand , while we grasped the handle firmly , the needle immediately turned from 10 to 20 degrees toward one side . Now , if , at the moment the needle began to move in ...
Page 55
... position of this point depends upon the con- stant current ; the stronger the current , the nearer the negative electrode . In the extra - polar portions , the irrita- bility decreases with the withdrawal of the electrodes , until at ...
... position of this point depends upon the con- stant current ; the stronger the current , the nearer the negative electrode . In the extra - polar portions , the irrita- bility decreases with the withdrawal of the electrodes , until at ...
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