File:X-ray manual - U.S. Army (1917) (14757342165).jpg

Identifier: xraymanualusarmy00unit (find matches)
Title: X-ray manual : U.S. Army
Year: 1917 (1910s)
Authors: United States. Surgeon-General's Office American Roentgen Ray Society
Subjects: X-rays Fractures Teeth Chest Heart Radiography
Publisher: New York : Middleditch
Contributing Library: Francis A. Countway Library of Medicine
Digitizing Sponsor: Open Knowledge Commons and Harvard Medical School

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Fig. 15. Adjustment icr exposure of posterior two-thirds of mandible, thearticulation of the jaw, and the zygoma. Note plate holder by means of whichplates may be handled for stereoscopic exposures. The tube should be shiftedlaterally. Chin Is in extreme extension. 233
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Fig. 16. Adjustment for exposure of upper jaw.234 X-RAY EXAMINATION OF THE CHEST. KENNON DUNHAM, M.D.Cincinnati, O. The use of the fluoroscope has been dealt with in thechapter on fluoroscopy. In the study by means of plates there is decided ad-vantage in the use of stereoscopic plates over the singleplate; but where stereoscopy is impractical there is muchto be learned from the single plate, or two plates, onebeing taken from the front and the other from the back. Refer to the chapter on exposure technic for theactual operation of the tube. It is most important that the exposures should bemade with the lungs containing as much air as possible,and also that there should be entire freedom from motionboth on the part of the body and the breathing muscles.Comparatively rapid exposures are advisable but not es-sential if the patient holds his breath well and keepshis body still. Position of the Patient. Whether he be standing, sitting, or lying downthe patient should assume the following

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