The enterics Flashcards
shiga-like toxin
i. bacteria
ii. mechanism
iii. symptoms
i. EHEC (138)
ii. ADP ribosylation of 60s ribosome
iii. blood diarrhea, abdominal cramping
m74
traveler’s diarrhea
ETEC
138
Two toxins released by ETEC?
symptoms?
heat labile (cAMP)
heat stable (cGMP)
watery diarrhea; traveler’s diarrhea
138
anemia, thrombocytopenia, renal failure, caused by infected hamburger meat; bloody diarrhea
E coli O157:H7
EHEC
138, m74
invasive bacteria causing blood diarrhea, fever; similar to shigellosis
EIEC
138
gram neg, comma / s shaped, oxidase positive, grows at 42 C blood diarrhea in children i. bacteria ii. how does it spread iii. resevoir
campylobacter jejuni
ii. fecal-oral transmission
iii. ingestion of meat, unpasteurized milk
138, m 80
gram neg, comma / s shaped, oxidase positive, grows in alkaline media endemic to developing countries rice water diarrhea i. bacteria ii. mechanism of diarrhea
i. vibrio cholerae
ii. cholera toxin which activates Gs permanantly (increases cAMP)
139, 124, m 80
poor sewage in developing countries causing watery diarrhea
i. bacteria
ii. toxin produced
i. vibrio cholerae
ii. cholera toxin
139, 124, m 80
MCC of duodenal ulcers
i. bacteria
ii. also cause other findings
i. H. pylori
ii. second leading cause of gastric ulcers, behind ASA
H pylori
i. stain and shape
ii. other characteristics
i. g neg rod
ii. catalase, oxidase, urease +
140, m81
aspiration PNA - lobar - in alcoholic or diabetic
klebsiella pneumonia
138, m75
red currant jelly
klebsiella
138
gram neg rod, fast lactose fermenter, nosocomial UTI in urinary cath
e. coli and klebsiella
nosocomial UTI with bright red pigment
Gram neg, oxidase+, slow lactose fermenter
serratia
174, m76
gram neg rod, non lactose fermenter, produces H2S
can cause typhus fever
i. bacteria
ii. important virulence factor
salmonella typhi
ii. Vi antigen
139, m76
Salmonella contraction
eating chicken and uncooked eggs
1-3 weeks after expsure: fever, headache, abdominal pain, diarrhea, rose spots on abdomen
i. bacteria
Salmonella typhi
fever, headache, abdominal pain, rose spots on abdomen
i. bacteria
ii. where can this bacteria colonize?
Salmonella typhi
ii. gallbladder (carrier state)
139, 78
sickle cell anemia with bone pain, elevated ERS, radiograph showing bone swelling
Salmonella osteomyelitis
173
what infections are more common in asplenic patients
SHiNE SKiS
122
gram neg rod, non lactose fermenter, oxidase neg
blood diarrhea
i. bacteria if has flagella
ii. bacteria if does not have flagella
i. salmonella
ii. shigella
139
struvite stones, nosocomial UTI with urinary catheter, urease positive, swarming on agar plate
i. bacteria
Proteus mirabilis
gram neg 135
stones 544
UTI 174, 178
fever, abdominal pain, diarrhea with flecks of bright red blood and pus
gram neg, lactose non fermenter, does not grow H2S on agar
i. bacteria
ii. toxin
i. shigella
ii. shiga toxin - inactivates 60s ribosome
this bacteria invades cells
124, 139, m 76
rice water diarrhea
Vibrio cholerae
139
fever, acute diarrhea, pain over right lower quadrant
i. bacteria
ii. transmission
i. Yersinia enterocolitica
ii. pet feces, contaminated milk
exam reveals terminal ileitis
139, m79
mechanism of cholera toxin
124, m80
vibrio cholerae 139
daycare outbreak, pseudoappendicitis, blood diarrhea
Yersinia entercolitica
139, 172
fever, rose-colored papules on abdomen, constipation, abd pain
typhoid fever
139
lower extremity wekness after GI upset (2-3 weeks later)
guillain barre after campylobacter jejuni
488, 627, 138
