Day 7 - GI1 Quiz Flashcards
Different types of esophageal diverticula
ZENKER - upper esophagus; TRACTION - mid esophagus; EPIPHRENIC - low esophagus
Tx diarrheal illnesses: Entamoeba histolytica
Metronidazole
Tx diarrheal illnesses: Giardia lamblia
Metronidazole
Tx diarrheal illnesses: Salmonella or Shigella
Quinolone, Fluoroquinolone, or TMP/SMX; Try not to tx Salmonella if can avoid it (only give antibx to high risk pts or severe disease)
Tx diarrheal illnesses: Campylobacter
Erythromycin
Hep B exposure: Negative HBsAg, Negative HBeAg, Negative Anti-HBs, Positive Anti-HBc IgM
Acute infection window period
Hep B exposure: Positive HBsAg, Positive HBeAg, Negative Anti-HBs, Positive Anti-HBc IgG
Chronic infection (active viral replication)
Hep B exposure: Negative HBsAg, Negative HBeAg, Positive Anti-HBs, Negative Anti-HBc IgG
Vaccination
Hep B exposure: Negative HBsAg, Negative HBeAg, Positive Anti-HBs, Positive Anti-HBc IgG
Recovery from infection
Tx diffuse esophageal spasm v. Achalasia
NOT too different in terms of medical tx - Nifedipine, Nitrates, (can also use TCAs for dysphagia/chest pain in DES); Achalasia more likely to need interventino - botox injections, pneumatic dilation, or myotomy
Infectious agents: Food poisoning with mayonaise sitting out too long
S. aureus (preformed toxin)
Infectious agents: Rice water stools
Vibrio cholera (or ETEC)
Infectious agents: Diarrhea from pet feces
Yersinia entercolytica (also causes pseudoappendicitis)
Infectious agents: Food poisoning from reheated rice in Chinese food
Bacillus cereus
Infectious agents: Most common cause of traveler’s diarrhea
ETEC
Infectious agents: Diarrhea after antibx
Clostridium difficile colitis
Infectious agents: Diarrhea from recent ingestion of water from stream
Giardia lamblia (or possibly Entamoeba histolytica)
Infectious agents: Mild intestinal infx that can become neurocysticercosis
Taenium solium
Infectious agents: Food poisoning from undercooked hamburger
EHEC (e.g., O157:H7)
Infectious agents: Diarrhea after eating seafood
Vibrio species (cholera, vulnificus, parahemolyticus)
Infectious agents: Bloody diarrhea from poultry
Salmonella or Campylobacter
Infectious agents: Diarrhea & pink eye
Adenovirus
Infectious agents: Bloody diarrhea w/ liver abscess
Entamoeba histolytica
Infectious agents: Diarrhea in AIDS pts
Cryptosporodium (or Isospora)
Infectious agents: Dehydrated child with greenish diarrhea in winter months
Rotavirus
Hep C tx
Pegylated INF-alpha & Ribavirin
Next step pt p/w dysphagia
Barium swallow