GI Flashcards

0
Q
  • Gastritis / Peptic Ulcer Disease (70% of cases)
  • Duodenal Ulcer (100% of cases)
  • Stomach Cancer
A

H pylori

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1
Q

Esophagitis (3)

A
  • CMV (-> linear ulcers)
  • Candida (-> white pseudomemb)
  • HSV-1 (-> “punched-out” ulcers. Immunocompromised p/ts.)
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2
Q

Common GI Infection (4)

A
  • Salmonella
  • Shigella
  • Campylobacter
  • Yersinia
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3
Q

Pediatric Diarrhea (2)

A
  • C jejuni

- EPEC

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4
Q

Bloody Diarrhea (7: 6 Bacteria + 1 Protozoa)

A
  • Campylobacter
  • EHEC + EIEC
  • Salmonella
  • Shigella (bacillary dysentery)
  • Yersinia enterocolitica (pseudoappendicitis) Daycare
  • Entamoeba histolytica (amebic dysentery + liver abscess)
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5
Q

Watery Diarrhea (8: 4 Bacteria + 2 Viruses + 2 Protozoa)

A
  • 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
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6
Q

Exotoxin-Mediated Food Poisoning (6, incl source)

Pres (S aureus + B cereus)?

A
  • 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

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7
Q

Salmonella Food Poisoning (3 sources)

A

Meat, Poultry, Eggs

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8
Q

V parahaemolyticus / vulnificus Food Poisoning (source)

A

Contaminated seafood

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9
Q

Mesenteric Adenitis (3)

Pres (CLUE)?

A
  • Salmonella (non-typhoidal)
  • Yersinia enterocolitica
  • C jejuni

PRES: Mimics Appendicitis

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10
Q

Liver Hydatid Cysts

A

Echinococcus granulosus (cestode/tapeworm)

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11
Q

Portal Htn

A

Schistosoma (trematode/fluke)

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12
Q

Reye’s Sx (2)

A
  • Influenza B
  • VZV

Likely related to MITOCH damage of hepatocytes.

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13
Q

HCC

A

Aflatoxin from Aspergillus

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14
Q

Acute Pancreatitis

A

Scorpion sting

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15
Q

Biliary Tract Infection

A

Enterococci (Group D Strep)

16
Q

Biliary Tract Dz + Cholangiocarcinoma

A

Clonorchis sinensis (trematode/fluke)

17
Q

Classic Galactosemia

A

E coli sepsis (Neonates)

18
Q

Perianal Pruritus

A

Enterobius (nematode/roundworm)

20
Q

Fitz-Hugh-Curtis Sx (2)

A
  • Chlamydia trachomatis

- Neisseria gonorrhoeae