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Such might caused a spark from a static machine, but would due gross carelessness, and very unusual. Burns, however, from the use the galvanic current are not very uncommon.

buy essay online They usually occur under the electrode after has been for a few moments stationary in contact with the skin.

They occur in certain patients with extraordinary readiness, especially in those with organic spinal lesions, and where the sensation somewhat diminished, and where also some trophic lesion might supposed exist.

They are not confined, however, this class cases, but may occur in any one if the electrode retained personal writers too long in any one place, and especially if allowed design coursework become dry. These burns are peculiar in appearance and can usually recognized at once. They are circular, as if punched out, about the size of a common pencil or a little smaller, comparatively deep, gray with perhaps a dark ring at the circumference, and frequently surrounded a reddened area.

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The edges are sharp.

Their peculiarit consists in their painlessness and in their size, regular form, their depth in comparison their extent, and the sharp limitation the area tissue destroyed. One or more may occur under a broad electrode, and they are probably produced at those points where the contact imperfect or the conduction in some other way impeded.

They heal without much difficulty and leave no serious results.

Other unpleasant symptoms produced currents in medical use may mentioned for help to write a research paper the sake completeness, and also as an introduction the more serious symptoms caused by stronger currents.

Dizziness, vertigo, tinnitus, nausea, vomiting, and syncope are readily caused even slight currents. The sensation light in the eyes and the metallic taste in the mouth are the results medical currents ordinary strength when applied the head or in its neighborhood, and stronger currents applied at greater distances cause these sensations.

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All the above symptoms may readily caused even slight currents, whether galvanic or faradic, passed through the head. The syncope thus produced carefull differentiated from the syncope caused psychically excitement or fear of the application electricity. Hysterical women, and even persons who show pay people to write papers no special signs nervous instability, may faint at the suggestion the application electricity. I have seen a large, strong, well-built Italian man, perfectl sound physically, far as could detected, except some slight local neuralgia, faint from pure fright when the electricity was be applied. But even the application moderateh severe shocks from the ordinary medical batter are not likely produce serious results. These shocks are ordinarily caused the opening or closing the galvanic current, and are most severe when the current passes through some portion the head. A still more powerful shock may given by reversing the current in a galvanic battery means the commutator. Currents High Tension Strong Artificial Passing now the consideration purdue owl paraphrasing the stronger currents, come those used for mechanical purposes, for electric lighting, electric railways, and other analogous objects. These currents start from dynamos or from storage batteries, and accidents are caused them whenever they are diverted from their help with writing your personal statement proper course and are caused come in contact with or pass through any portion the human body in any considerable strength. Accidents not infrequently occur from direct contact with the batteries or dynamos, buy research papers online cheap but still more frequently they are produced in their circuit along the wires or transmitters. They maj also caused, as some the most fatal have been, contact with metallic or other readily conducting objects which have themselves accidentally come in contact with some portion an electric circuit usually wires and have diverted the whole, or more usually a portion, the current themselves.


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