A catheter is introduced through the incision into the abdomen. Saline is infused into the abdomen through the catheter, and then removed. If blood is present in the saline after removal, it is highly probable that there is a serious intra-abmoninal injury.
Update Date 2/11/2015
Updated by: Subodh K. Lal, MD, Gastroenterologist at Gastrointestinal Specialists of Georgia, Austell, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.