GI INFECTIONS

Question 1

Meat/poultry kept at bad temperatures
Water diarrhea
naglers rxn on stool study via egg yolk media

Answer 1

Clostridium Perfringens

Question 2

hypotension
shock
ileus
megacolon

Answer 2

Fluminant CDIFF

Question 3

food poisoning
travelers diarrhea
stool culture
resolves 1-5d

Answer 3

E.Coli
EnteroTOXIGENIC

Question 4

Shiga Toxin O157.H7
Contaminated raw foods like milk - aka cattle
Bloody diarrhea
risk of HUS w/ anti-diarrheals

Answer 4

E.Coli
EnteroHEMORRHAGIC

Question 5

What disease do you risk if you take imodium w/ E.Coli

Answer 5

HUS: hemolytic uremic syndrome

Question 6

endemic areas before/after rain
secretory diarrhea w. severe fluid loss
RICE WATER STOOL

Answer 6

Vibrio Cholera

Question 7

what are the 2 complications of cholera

Answer 7

hypovolemic shock
aspiration pneumonia

Question 8

similar to shigella
Multiplies within intestinal cells and spreads

Answer 8

E.Coli
EnteroINVASIVE

Question 9

Sporadic diarrehal disease in kids under 6m

Answer 9

E.Coli
EnteroPATHOGENIC

Question 10

IL-2 release from colon cells
Inflammatory diarrhea
2nd most common for travelers diarrhea

Answer 10

E.Coli
EnteroAGGREGATIVE

Question 11

cheese/milk
enterotoxin
Rapid onset diarrhea

Answer 11

Staph Aureus

Question 12

FRIED RICE
contaminates ventilators/dialisis equiptment
spores/biofilms

Answer 12

Bacillus cerus

Question 13

multiplies in small intestine
10-100 organisms req
Contaminated pork/milk/water/tofu
high wbc in stool

Answer 13

shigella

Question 14

poultry
pseudoappendicitis
risk guillian barre syndrome

Answer 14

Campylobacter enteritis

Question 15

what is a complication of campylobacter enteritis

Answer 15

guillian barre syndrome

Question 16

acute febrile gastroenteritis
undercooked meat, unpasturizzed milk
pseudoappendicitis
and pseudotuberculosis

Answer 16

yersinosis

Question 17

may to september warm costal waters
undercooked shellfish /oysters

Answer 17

Vibriosis

Question 18

salmonella
contaminated food/water
young people
rose spots, pea soup diarrhea, payerpatches

Answer 18

typhoid fever

Question 19

leading cause of foodborne illness
exotic pets/reptiles/turtles
pea soup diarrhea

Answer 19

non-typhoid salmonella

Question 20

well demarcated ulceration and psudomembranes on endoscopy

Answer 20

GI CMV

Question 21

damage to intestinal brush border
NSP4 enterotoxin release activating enteric NS
complication is intussusception

Answer 21

Rotavirus

Question 22

what is a complication of rotavirus

Answer 22

intussiseption

Question 23

non bloody watery diarrhea wo leukocites
viral gastroenteritis

Answer 23

Norovirus

Question 24

Invades site of infection and presents as neutropenic enterocolitis, appendicitis, ulcers, abdominal pain, and GI bleeds

Answer 24

Aspergillus

Question 25

Ingestion of spores infecting stomach/colon, affects those w/ DM, glucocorticoid therapy, preemies, s/p organ transplant – very bad prognosis

Answer 25

Mucormycosis

Question 26

Lesions on GI tract (ileocecal) leading to misdiagnosed IBD

Answer 26

Histoplasmosis

Question 27

parasite causing diarrhea
water, food, day cares
international travelers and backpackers diarrhea
streams, wells, lakes
cysts and trophozoites

Answer 27

Giardia lamblia

Question 28

parasite diarreha and biliary tract disease
sporadic waterborne outbreaks

Answer 28

cryptosporidium