Gastrointestinal Disorders Flashcards Preview

USMLE Step Two > Gastrointestinal Disorders > Flashcards

Flashcards in Gastrointestinal Disorders Deck (100)
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1

food poisoning as a result of mayonnaise sitting out too long

staph aureus

2

rice-water stools

vibrio cholera

3

diarrhea transmitted from pet feces

yersinia enterocolitica

4

food poisoning resulting from reheated rice

bacillus cereus

5

most common cause of traveler's diarrhea

enterotoxigenic e. coli

6

diarrhea after a course of antibiotics

c. diff

7

diarrhea after recent ingestion of water from a stream

giardia lamblia or less commonly entamoeba

8

mild intestinal infection that can become neurocysticerosis

taenia solium

9

food poisoning from undercooked hamburger

EHEC

10

diarrhea from seafood

vibrio cholera/vulnificus/paerahemolyticus

11

bloody diarrhea from poultry

campylobacter or salmonella

12

bloody diarrhea with liver abscess

entamoeba histolytica

13

diarrhea in an AIDS patient

cryptosporidium or isospora (less commonly)

14

dehydrated child with greenish diarrhea in winter months

rotavirus

15

treatment for hepatitis B

IFN-alpha
lamivudine, adefovir, entecavir, telbivudine

16

treatment for hepatitis C

IFN-alpha and ribavirin

17

what does a barium swallow allow you to visualize

esophagus, LES, and stomach

18

what does a gastric emptying study allow you to visualize

stomach, pyloric sphincter, duodenum

19

what does a small bowel follow through allow you to visualize

stomach to terminal ileum

20

what does a barium enema allow you to visualize

colon and appendix

21

different types of esophageal diverticulum

zenker: upper esophagus
traction: middle esophagus
epiphrenic: lower esophagus

22

treatment for entamoeba histolytica diarrhea

metronidazole

23

treatment for giardia lamblia

metronidazole

24

treatment for salmonella

none unless immunocompromised (cipro)

25

treatment for salmonella

none unless severe (cipro TMP-SMX)

26

treatment for campylobacter

erithromycin

27

Hep BsAg negative
Hep BsAB negative
Hep BcAb positive

window period of Hep B infection

28

Hep BsAg positive
Hep BsAb negative
Hep BcAb positive

chronic Hep B infection

29

Hep BsAg negative
Hep BsAB positive
Hep BcAb negative

Hep B vaccinated status

30

Hep BsAg negative
Hep BsAB positive
Hep BcAb positive

past Hep B exposure