GI Flashcards
- Gastritis / Peptic Ulcer Disease (70% of cases)
- Duodenal Ulcer (100% of cases)
- Stomach Cancer
H pylori
Esophagitis (3)
- CMV (-> linear ulcers)
- Candida (-> white pseudomemb)
- HSV-1 (-> “punched-out” ulcers. Immunocompromised p/ts.)
Common GI Infection (4)
- Salmonella
- Shigella
- Campylobacter
- Yersinia
Pediatric Diarrhea (2)
- C jejuni
- EPEC
Bloody Diarrhea (7: 6 Bacteria + 1 Protozoa)
- Campylobacter
- EHEC + EIEC
- Salmonella
- Shigella (bacillary dysentery)
- Yersinia enterocolitica (pseudoappendicitis) Daycare
- Entamoeba histolytica (amebic dysentery + liver abscess)
Watery Diarrhea (8: 4 Bacteria + 2 Viruses + 2 Protozoa)
- C difficile (also sometimes bloody) + C perfringens (also gas gangrene)
- ETEC (“Travelers’” diarrhea)
- V cholerae (“rice-water” diarrhea)
- Norovirus
- Rotavirus (esp in daycares / kindergartens)
- Cryptosporidium (in immunocompromised p/ts)
- Giardia
Exotoxin-Mediated Food Poisoning (6, incl source)
Pres (S aureus + B cereus)?
- S aureus (PREFORMED HEAT-STABLE toxin: meat, mayonnaise / custard)
- B cereus (reheated rice)
- C botulinum (improper canning- “bulging”)
- C perfringens (reheated meat)
- EHEC 0157:H7 (undercooked meat)
- V cholerae (infected seafood)
PRES: Starts quickly and ends quickly
Salmonella Food Poisoning (3 sources)
Meat, Poultry, Eggs
V parahaemolyticus / vulnificus Food Poisoning (source)
Contaminated seafood
Mesenteric Adenitis (3)
Pres (CLUE)?
- Salmonella (non-typhoidal)
- Yersinia enterocolitica
- C jejuni
PRES: Mimics Appendicitis
Liver Hydatid Cysts
Echinococcus granulosus (cestode/tapeworm)
Portal Htn
Schistosoma (trematode/fluke)
Reye’s Sx (2)
- Influenza B
- VZV
Likely related to MITOCH damage of hepatocytes.
HCC
Aflatoxin from Aspergillus
Acute Pancreatitis
Scorpion sting