Labs
CBC (infection/blood loss)
Amylase + lipase (pancreatitis)
LFT (RUQ pain)
Urinalysis (hematuria, dysuria, flank pain - UTI/kidney stone)
Beta hcg (women in childbearing age)
Chlamydia + gonorrhea (women @ risk of STIs)
Imaging (based on location)
U/S (RUQ pain)
abdo/transvag ultrasound for pregnant women, even for LLQ/RLQ pain
Transvag u/s for ectopic pregnancy
CT w/ IV contrast media (adults w/ acute RLQ pain)
CT w/ oral + IV contrast media (LLQ pain) - for sigmoid diverticulitis
LUQ pain (many causes so depends)
Suggested esophageal/gastric patho = endoscopy or upper GI series
Others = CT (can image pancreas, spleen, kidneys, intestines, vasculature)
Xray
Free air under diaphragm (=perforation of GI tract)
Abn calcifications (10% gallstones, 90% kidney stones)
Mult dilated loops of bowel & air-fluid lvls (bowel obstruction)
May see with paralytic ileus
*occult UTI, perforated viscus, ischemic bowel ds* - potentially fatal, often missed or dx late in elderly pt
CONSIDER IN ALL OLDER PTS w/ abdo pain
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