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Flashcards in Gastroenteritis Deck (53):
1

Bloody diarrhea

Campylobacter (poultry)
C. diff (abx)
E. coli O157:H7 (hemorrhagic) (ground beef)
Salmonella (eggs, poultry, milk, produce)
Shigella (food/water, overcrowding)
Yersinia (pork, produce, puppies)
Entamoeba histolytica (water, poor sanitation)

2

Watery diarrhea

C. diff (abx)
E. coli (enterotoxigenic) (travelers' diarrhea)
Vibrio cholerae (water, seafood)
Vibrio parahaemolyticus (seafood)
Cryptosporidium parvum (food/water, IC)

3

Food poisoning

Vomiting w/i several hrs of eating, diarrhea later
Bacillus cereus (rice)
S. aureus (room temp food, picnic)
(Vibrio parahaemolyticus, seafood, diarrhea w/i 24 hrs)

4

Diarrhea w/ cruise ship

Norwalk virus

5

Diarrhea in summer

Coxsackie virus, echovirus

6

Diarrhea w/ URI or pinkeye

Adenovirus

7

Diarrhea w/ greenish color, foul smell, child, in winter

Rotovirus

8

Viral gastroenteritis Rx

Self-limited (48-72 hrs); hydrate

9

Diarrhea w/ vomiting w/i several hrs of eating rice

Bacillus cereus

10

Diarrhea w/ blood after eating poultry

Campylobacter jejuni
Salmonella

11

Diarrhea w/ Guillain-Barre syndrome

Campylobacter jejuni

12

Diarrhea w/ honey, home-canned foods

Clostridium botulinum

13

Diarrhea w/ flaccid paralysis

Clostridium botulinum

14

Diarrhea w/ recent abx use (esp clindamycin; amp/amox)

Clostridium difficile

15

Diarrhea w/ gray pseudomembranous colitis

Clostridium difficile

16

Travelers' diarrhea

E. coli (entertoxigenic)

17

Diarrhea w/ blood after eating ground beef

E. coli (enterohemorrhagic, O157:H7)
(Possibly campylobacter)

18

HUS

Thrombocytopenia
Hemolytic anemia
Acute renal failure
Usu self-limited, can be fatal

19

Diarrhea leading to HUS

E. coli O157:H7 (enterohemorrhagic)
Possibly Shigella

20

Diarrhea w/ vomiting w/i several hours of eating room-temp food

S. aureus

21

Diarrhea w/ blood after eggs, poultry, milk, produce

Salmonella

22

MC and 2nd MC foodborne bacterial GI infection

Salmonella
Campylobacter jejuni

23

Diarrhea w/ blood w/ food/water (overcrowding)

Shigella ('bacterial dysentery')

24

Diarrhea w/ rice water look after water/seafood

Vibrio cholerae

25

Diarrhea w/ possible rice water look after seafood (oysters)

Vibrio parahaemolyticus

26

Diarrhea w/ blood after pork, fresh produce, puppy feces

Yersinia enterocolitica

27

Diarrhea after drinking from stream

Giardia lamblia
Entamoeba histolytica

28

Diarrhea w/ greasy, foul-smell after surface water in wilderness/other country

Giardia lamblia

29

Diarrhea w/ blood after water/poor sanitation

Entamoeba histolytica ('amoebic dysentery')

30

Diarrhea w/ liver abscess

Entamoeba histolytica

31

Diarrhea w/ watery appearance in immunocompromised

Cryptosporidium parvum

32

Diarrhea w/ myalgias after undercooked pork

Trichinella spiralis
Taenia solium (cysticercosis)

33

Diarrhea w/ periorbital edema after undercooked pork

Trichinella spiralis

34

Diarrhea w/ cardiac symptoms after undercooked pork

Trichinella spiralis

35

Diarrhea w/ CNS symptoms after undercooked pork

Trichinella spiralis
Taenia solium (neurocysticercosis)

36

Diarrhea after undercooked pork

Yersinia enterocolitica (bloody)
Trichinella spiralis (myalgias, periorbital edema, eosinophilia; CNS/cardiac symptoms)
Taenia solium (muscles, CNS symptoms)

37

Bacillus cereus Rx

Self-limited; hydration

38

Campylobacter jejuni Rx

Self-limited; hydration
Can use erythromycin

39

Clostridium botulinum Rx

Botulism antitoxin (not given to infants)
Self-limited

40

Clostridium difficile Rx

Metronidazole
ORAL vancomycin

41

E. coli (enterotoxigenic) Rx

Self-limited; hydration
(often treated w/ fluoro)

42

E. coli (enterohemorrhagic) Rx

Self-limited; hydration
*Abx may worsen symptoms b/c of toxin release

43

S. aureus Rx

Self-limited; hydration

44

Salmonella Rx

Self-limited; hydration
IC patients - fluoro
*Abx can prolong carrier state

45

Shigella Rx

Self-limited; hydration
Cipro, TMP-SMX in severe cases

46

Vibrio cholerae Rx

HYDRATION
Tetracycline or doxycycline decreases disease length

47

Vibrio parahaemolyticus Rx

Self-limited; hydration

48

Yersinia enterocolitica Rx

Self-limited; hydration

49

Giardia lamblia Rx

Metronidazole, hydration

50

Entamoeba histolytica Rx

Metronidazole, (paromomycin)

51

Cryptosporidium parvum Rx

Control immune suppression
Nitazoxanide

52

Trichinella spiralis Rx

Albendazole
Mebendazole if CNS/cardiac symptoms

53

Taenia solium Rx

Praziquantel for intestinal/muscle infection
Albendazole + corticosteroids for neurocysticercosis