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Step 2 DIT > Gastroenteritis > Flashcards

Gastroenteritis Flashcards

1
Q

Bloody diarrhea

A

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)

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2
Q

Watery diarrhea

A 
C. diff (abx)
E. coli (enterotoxigenic) (travelers' diarrhea)
Vibrio cholerae (water, seafood)
Vibrio parahaemolyticus (seafood)
Cryptosporidium parvum (food/water, IC)
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3
Q

Food poisoning

A

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)

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4
Q

Diarrhea w/ cruise ship

A

Norwalk virus

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5
Q

Diarrhea in summer

A

Coxsackie virus, echovirus

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6
Q

Diarrhea w/ URI or pinkeye

A

Adenovirus

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7
Q

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

A

Rotovirus

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8
Q

Viral gastroenteritis Rx

A

Self-limited (48-72 hrs); hydrate

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9
Q

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

A

Bacillus cereus

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10
Q

Diarrhea w/ blood after eating poultry

A

Campylobacter jejuni

Salmonella

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11
Q

Diarrhea w/ Guillain-Barre syndrome

A

Campylobacter jejuni

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12
Q

Diarrhea w/ honey, home-canned foods

A

Clostridium botulinum

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13
Q

Diarrhea w/ flaccid paralysis

A

Clostridium botulinum

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14
Q

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

A

Clostridium difficile

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15
Q

Diarrhea w/ gray pseudomembranous colitis

A

Clostridium difficile

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16
Q

Travelers’ diarrhea

A

E. coli (entertoxigenic)

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17
Q

Diarrhea w/ blood after eating ground beef

A

E. coli (enterohemorrhagic, O157:H7)

Possibly campylobacter

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18
Q

HUS

A

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

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19
Q

Diarrhea leading to HUS

A

E. coli O157:H7 (enterohemorrhagic)

Possibly Shigella

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20
Q

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

A

S. aureus

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21
Q

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

A

Salmonella

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22
Q

MC and 2nd MC foodborne bacterial GI infection

A

Salmonella

Campylobacter jejuni

23
Q

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

A

Shigella (‘bacterial dysentery’)

24
Q

Diarrhea w/ rice water look after water/seafood

A

Vibrio cholerae

25
Q

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

A

Vibrio parahaemolyticus

26
Q

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

A

Yersinia enterocolitica

27
Q

Diarrhea after drinking from stream

A

Giardia lamblia

Entamoeba histolytica

28
Q

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

A

Giardia lamblia

29
Q

Diarrhea w/ blood after water/poor sanitation

A

Entamoeba histolytica (‘amoebic dysentery’)

30
Q

Diarrhea w/ liver abscess

A

Entamoeba histolytica

31
Q

Diarrhea w/ watery appearance in immunocompromised

A

Cryptosporidium parvum

32
Q

Diarrhea w/ myalgias after undercooked pork

A 
Trichinella spiralis
Taenia solium (cysticercosis)
33
Q

Diarrhea w/ periorbital edema after undercooked pork

A

Trichinella spiralis

34
Q

Diarrhea w/ cardiac symptoms after undercooked pork

A

Trichinella spiralis

35
Q

Diarrhea w/ CNS symptoms after undercooked pork

A 
Trichinella spiralis
Taenia solium (neurocysticercosis)
36
Q

Diarrhea after undercooked pork

A 
Yersinia enterocolitica (bloody)
Trichinella spiralis (myalgias, periorbital edema, eosinophilia; CNS/cardiac symptoms)
Taenia solium (muscles, CNS symptoms)
37
Q

Bacillus cereus Rx

A

Self-limited; hydration

38
Q

Campylobacter jejuni Rx

A

Self-limited; hydration

Can use erythromycin

39
Q

Clostridium botulinum Rx

A 
Botulism antitoxin (not given to infants)
Self-limited
40
Q

Clostridium difficile Rx

A

Metronidazole

ORAL vancomycin

41
Q

E. coli (enterotoxigenic) Rx

A

Self-limited; hydration

often treated w/ fluoro

42
Q

E. coli (enterohemorrhagic) Rx

A

Self-limited; hydration

*Abx may worsen symptoms b/c of toxin release

43
Q

S. aureus Rx

A

Self-limited; hydration

44
Q

Salmonella Rx

A

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

45
Q

Shigella Rx

A

Self-limited; hydration

Cipro, TMP-SMX in severe cases

46
Q

Vibrio cholerae Rx

A

HYDRATION

Tetracycline or doxycycline decreases disease length

47
Q

Vibrio parahaemolyticus Rx

A

Self-limited; hydration

48
Q

Yersinia enterocolitica Rx

A

Self-limited; hydration

49
Q

Giardia lamblia Rx

A

Metronidazole, hydration

50
Q

Entamoeba histolytica Rx

A

Metronidazole, (paromomycin)

51
Q

Cryptosporidium parvum Rx

A

Control immune suppression

Nitazoxanide

52
Q

Trichinella spiralis Rx

A

Albendazole

Mebendazole if CNS/cardiac symptoms

53
Q

Taenia solium Rx

A

Praziquantel for intestinal/muscle infection

Albendazole + corticosteroids for neurocysticercosis

Step 2 DIT (23 decks)

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