RT Journal Article SR Electronic T1 Positioning of Patients After Metrizamide Lumbar Myelography JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 197 OP 198 VO 1 IS 2 A1 Robertson, William D. A1 Lapointe, Jocelyne S. A1 Nugent, Robert A. A1 Robinson, Robert G. A1 Daly, Lyle F. YR 1980 UL http://www.ajnr.org/content/1/2/197.abstract AB This prospective study of 90 patients after lumbar metrizamide myelography indicates that the semiupright position at 45° in bed or early ambulation reduces postprocedure vomiting but does not reduce the frequency of headache. Ambulatory patients have less frequent nausea than patients kept in bed.