. The principles and practice of roentgenological technique . ep inspira-tionTube Position Central ray through level of second carti-lage, and nipple line 2. Dorso-ventral—1st obliquePosture Trunk prone on right side at forty-five de-grees, left shoulder elevated, head restingon right parietal and mastoid, right armaround head, left arm over head, grasp-ing table edge, right leg flexed and leftleg behind and extendedImmobilization As aboveTube Position Central ray through mid-scapular line atlevel of fourth dorsal ABDOMEN Gastro-Intestinal Tract Essential Features (Fig. 276) 1. The domes of bo

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. The principles and practice of roentgenological technique . ep inspira-tionTube Position Central ray through level of second carti-lage, and nipple line 2. Dorso-ventral—1st obliquePosture Trunk prone on right side at forty-five de-grees, left shoulder elevated, head restingon right parietal and mastoid, right armaround head, left arm over head, grasp-ing table edge, right leg flexed and leftleg behind and extendedImmobilization As aboveTube Position Central ray through mid-scapular line atlevel of fourth dorsal ABDOMEN Gastro-Intestinal Tract Essential Features (Fig. 276) 1. The domes of both diaphragms 2. The lower border of the liver 3. The pelvic inlet 4. The gastro-intestinal tract outlined bycontrast media administered after preparationPosture Vertical I , , Horizontal* ^Jo^o-^^^^l Oblique (D. V. 2nd■|D. V. 1st For caecum and appendix lower sigmoidand rectum ventro-dorsal views are valuable DifficultiesConstant movement of stomach and intes-tines demands short exposures for necessitates the use of Fig. 275

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Keywords: ., bookcentury1900, bookdecade1920, booksubjectradiogr, bookyear1920