SAEM Questions & Answers!!

A false positive guaiac may be caused by the presence of ___ - ANSWER Methylene blue GI pathogens that cause bloody diarrhea (4) - ANSWER Campylobacter E Coli O157 Yersinia Salmonella Clostridium perfringens - ANSWER Gas gangrene Late onset non-bloody diarrhea (from spores in dirt) Yersinia enterocolitica - ANSWER Usually transmitted from pet feces (e.g., puppies), contaminated milk, or pork. Outbreaks are common in day-care centers. Sx can mimic Crohn's or appendicitis - bloody diarrhea, vomiting, cramping RLQ Campylobacter jejuni - ANSWER #1 cause of watery or bloody diarrhea in US Usually from travel, PPI, undercooked meat, dairy Fever, abdominal cramp, bloody diarrhea Similar to EIEC infection E coli - ANSWER ETEC: watery diarrhea EHEC (O157): bloody diarrhea without fever EIEC: watery bloody diarrhea Bloody diarrhea with thumb-print sign - ANSWER Any sign of bowel ischemia (ischemic bowel IBD, volvulus, diverticulitis) #1 cause of upper and lower GI bleed in adults - ANSWER Upper: PUD Lower: diverticulosis Majority of diverticulosis bleeding is from __ colon - ANSWER R side Indication for surgical removal of ingested foreign body - ANSWER Object hasn't moved distally in 24 hour observation Symptomatic Sharp object or batteries CXR findings in aspiration of object - ANSWER Hyperinflated opposite lung Atelectasis of affected lung A 22 year old running back is struck fr