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Medicine > Infectious Diarrhea > Flashcards

Infectious Diarrhea Flashcards

1
Q

Watery diarrhea

Mechanism

Location

A

Noninflammatory enterotoxin

Proximal small bowel

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2
Q

Fecal polymorphonucleocyte
Inc fecal lactoferrib

Site

A

Inflammatory invasion or cytotoxin
Dysentery or inflamm

Colon, distal small bowel

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3
Q

Fecal mononuclear leukocyte

Site

A

Penetrating enteric fever

Distal small bowel

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4
Q

Most common traveler infection

3d - 2 weeks

A

Traveller’s diarrhea
ETEC (single most important) 10-45%
EAEC (enteroaggregative)

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5
Q

Resistant to chlorine water treatment

A

Cyrptosporidium

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6
Q

Nausea vomiting diarrhea immediately after eating
1-6h after

Egg salad, mayo

fried rice

A

Staph aureus

Bacillus c

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7
Q

If watery or non-inflammatory tx

A

symptomatic therapy

rehydration

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8
Q

Watery diarrhea with distressing enteric sx

Excessive vomiting

A

Bismuth salycylate 2 tabs in adult

Loperamide 4mg initially then 2 mg after passage of unformed stool 2 days

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9
Q

Prophy for traveler’s diarrhea

A

Bismuth salycylate

2 tabs 525 mg QID

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10
Q

Montezuma’s revenge etiologic agent

Dehli belly

A

Traveller’s diarrhea

ETEC
EAEC

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11
Q

Uncooked hamburger

A

Enterohemorrhagic E coli EHEC

0157:H7

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12
Q

HUS

A

Hemolytic anemia microangiopathic
Thrombocytopenia
Uremia, renal failure

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13
Q

RNA polymerase inhibitor for diarrhea

A

Rifaximin

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14
Q

Backpacker’s diarrhea etiologic agent

A

Giardia lambia

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15
Q

Giardia lambia tx

A

Metronidazole

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16
Q

Giardia diarrhea is unique for

A

steatorrhea
flatulence
significant malabsorption

17
Q

Most common cause of diarrhea in HIV

A

cryptosporidium

18
Q

Iron binding protein in neutrophil serves as marker correlating GI inflammation

A

lactoferrin

19
Q

Differentiates IBD from IBS

A

lactoferrin

20
Q

T/F: loperamide should not be used by patients with fever or dysentery

A

False

21
Q

Empiric antibiotic of choice for traveller’s

A

Trimethropim Sulfamethosazole

Medicine (29 decks)

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