TY - CHAP M1 - Book, Section TI - Chapter 15. Imaging Studies A1 - Gomella, Leonard G. A1 - Haist, Steven A. PY - 2007 T2 - Clinician's Pocket Reference: The Scut Monkey, 11e AB - In general, follow this principle: Obtain plain films before obtaining films that require contrast. Each hospital has its own guidelines for patient preps. Consult the radiology department before ordering any x-ray that requires a prep. Examinations that require no specific bowel preparation are routine CXR, flat and upright abdominal films, cystograms, C-spines, skull series, extremity films, CT scans of the head and chest, and many others. SN - PB - The McGraw-Hill Companies CY - New York, NY Y2 - 2024/04/19 UR - accessmedicine.mhmedical.com/content.aspx?aid=2694950 ER -