<unk><unk>  considerations for patients undergoing<unk>  of abdomen and/or<unk> 
Pros: May add improved imaging characteristics for some patient groups
Cons: Requires significant "lead time" (i.e. must administer >1hr prior to<unk>  scan) and can result in delays to care
Oral contrast for abdominal and pelvic CT
Balloon tamponade for massive GI bleeding
Acute abdominal series
Anoscopy
FAST exam
Pelvic x-ray interpretation
Theraputic peritoneal lavage
EFAST exam