. Radiography and radio-therapeutics . rts as immobile as possible. When the screening-stand is used, the part is first examined by the aid of the fluorescent screen,and the diaphragm adjusted to cover the part required. The fluorescentscreen is replaced by the X-ray plate in a cassette and clamped in position,and the patient may be fixed by a strong linen band or a bandage. Theshorter the exposure the less risk is there of movement on the part of thepatient spoiling the result. 138 KADIOGRAPHY The Use of the Intensifying Screen Though negatives obtained by the use of the intensifying screen m
. Radiography and radio-therapeutics . rts as immobile as possible. When the screening-stand is used, the part is first examined by the aid of the fluorescent screen,and the diaphragm adjusted to cover the part required. The fluorescentscreen is replaced by the X-ray plate in a cassette and clamped in position,and the patient may be fixed by a strong linen band or a bandage. Theshorter the exposure the less risk is there of movement on the part of thepatient spoiling the result. 138 KADIOGRAPHY The Use of the Intensifying Screen Though negatives obtained by the use of the intensifying screen maynot perhaps be of the same high technical quaHty as the best radiographsmade by powerful installations without a screen, it should be noted that,when skilfully used, pictures so obtained with apparatus of moderate powerare, from a diagnostic point of view, of much greater value than thoseobtained without a screen. This is especially the case when radiographingparts of the body where movements are constantly going on, as in the chest.
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