[2] Noncontrast CT in the emergency diagnosis of appendicitis is attractive for several reasons. Administration of oral contrast consumes valuable time in today's fast-paced and overcrowded ED.

IV: CT of head: 41–162mL; CT of body (single phase contrast): 41–162mL bolus inj or 81–162mL rapid infusion; max 162mL. IV: CT of body (multiple phase contrast): 41–162mL total volume ...