GI Flashcards
Stool guaiac test - false positives
Red fruits, red meat, methylene blue, chlorophyll, iodide, cupric sulfate, bromide
Thumbprinting on Ab xray suggests what dx?
Ischemic colitis
Angiodysplasia is more common in what age group?
Young
Sudden, sharp pain after defecation along with blood on TP suggests:
An anal fissue
Most common organism causing of food poisoning in the US
Clostridium perfringens (enterotoxin, nonbloody)
How to rehydrate a diarrhea pt who cannot tolerate PO
LR
First serological marker to go up in Hep B
hepatitis B surface antigen
Hx of aortic repair w/ GI bleed, risk for
aortoenteric fistula
Most common location - duodenum
Most common location for perforation of peptic ulcer
Anterior wall of duodenum
MOA of octreotide
decreases splanchnic blood flow
Dosage of octreotide
Bolus of 50mcg, followed by 50mcg/hr