Thread by @IUIDfellowship

#idboardreview Pt attended a holiday party 4 days ago and ate julesylte Christmas brawn & pork chops now presents w/ fever, R sided abd pain, bloody diarrhea. short gram neg rod. dx? #medEd #idmedEd #idtwitter

#yersinia #enterocolitica aerobic & anaerobic growth, non-spore forming, pleomorphic, non-lactose fermenting gram negative bacilli, motile ar 25C but nonmotile at 37C
-growth at 37C on Mcconkey, brain-heart infusion, CIN cefsulodin, irgasan, novobiocin agar

#yersinia #enterocolitica Case Ref ncbi.nlm.nih.gov/pmc/articles/P… Brawn is prepared by layering pork meat (precooked head muscles), veal, lard, spices in a mold. cooked to 74°C & maintained at 70°C for at least 30 min. After removal from the mold, the brawn is vacuum-packed for sale

#yersinia #enterocolitica
Presentation: enterocolitis, mesentric lymphadenitis and pseudoappenditis
-R.f iron overload or tx w/ deferoxamine
-Sx: reactive arthritis, erythema nodosum, Grave's dz may follow GI illness

#yersinia abx generally unnecessary for enteritis in immunocompetent
-do not reduce risk of complications
-For extraintestinal sx: AG, tetracycline, FQ
-often produces beta lactamases so avoid penicillin/lower gen cephalosporins

#yersinia #enterocolitica prevention: avoid undercooked meat especially pork, unwashed vegetables, unpasteurized dairy products
-classic association chitterlings

https://twitter.com/IUIDfellowship/status/1439392226048724993?s=20

#yersinia #enterocolitica

#yersinia graphic guide to ID: Kloss

#yersinia #enterocolitica treatment per @sanfordguide