Flashcards in ID 6 Deck (65)
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1
what does E coli produce?
Beta-galactosidase, which breaks down lactose into glucose and galactose.
2
EMB results..
1) lactose fermenters grow as purple/black colonies.
2) e coli grows as a green sheen.
3
meningococci vs gonococci fermentation
- meningococci ferment maltose and lactose
- gonococci ferment glucose
4
meningococci vaccine?
yes but type B not widely available
5
other route of infection of gonorrhea? presentation?
perinatally (causes neonatal conjunctivitis)
6
What is Fitz-Hugh-Curtis caused by?
gonorrhea
7
other presentation of meningococcemia?
gangrene of toes
8
treatment for gonorrhea conjunctivits?
erythromycin to prevent blindness
9
neisseria treatment?
ceftriaxone OR *penicillin G
10
Fitz-Hugh-Curtis syndrome
o Coded character: Chanelle O’conner/seen in women with PID. Ascending, polymicrobial infection of the female genital tract that can involve the endometrium, uterine tube, and/or peritoneal cavity. House is full of adhesions from the roof to a hippo/infection of the liver capsule and “violin string” adhesions of peritoneum to liver. Perihepatitis is a complication that presents with RUQ pain. She’s profusely sweating + has discharge from her vagina/classic triad is fever + abdominal pain + vaginal discharge. Robby Page is licking up the discharge/caused by gonococci.
o Location: Hallweaver’s house on P street.
11
H flu structure
small gram negative coccobacillary rod
12
h flu transmission
aerosols
13
what are h flu infections usually caused by?
nontypeable, unencapsulated strains since the vaccine.
14
"cherry red epiglottitis" on endoscopy?
epiglottitis
15
treatment for h flu mucosal infections (otitis media, conjunctivitis, bronchitis)?
amoxicillin +/- clavulante
16
treatment for h flu meningitis?
ceftriaxone
17
prophylaxis for h flu meningitis?
rifampin
18
when do you give h flu vaccine?
between 2 and 18 months
19
what does h flu vaccine contain?
type b capsular polysaccharide and PRP (polyribosylribitol phosphate)
20
other pertussis toxin?
tracheal cytotoxin
21
Why is pertussis commonly mistaken for viral infection?
Lymphocytic infiltrate resulting from immune response
22
is legionella infectious?
no
23
common sources of legionella
1) AC systems + *hot water tanks
24
how do you detect legionella?
Presence of antigen in urine
25
legionella treatment
macrolide or *quinolone
26
legionnaires presentation
severe pneumonia (unilateral, lobar) + fever + GI + *CNS symptoms
27
legionnaires common in...
smokers + chronic lung disease
28
what is pontiac fever?
mild flu like syndrome caused by legionella
29
other pseudomonas toxin
phospholipase C (degrades cell membrane)
30
