VI - G(-) Flashcards
Morphologic appearance is kidney-bean diplococci
Neisseria meningitidis, Neisseria gonorrheae
MCC of meningitis in 2-18 yrs
Neisseria meningitidis
Rash of meningococcemia
Purpura fulminans
Most severe form of meningococcemia
Waterhouse-Friedrichsen syndrome
DOC for meninggococcemia
Penicillin G
Meningococci vaccine contains capsular polysaccharides of which strains
W135, A, C, Y
G(-) diplococci
Neisseria
G(-) maltose fermenter
Neisseria meningitidis
Frequent co-infection with N. gonorrhea
Chlamydia trachomatis
MCC of urethritis
Neisseria gonorrheae
MCC of PID
Neisseria gonorrheae
PID finding of perihepatisis with violin strings adhesion on capsule
Fitz-Hugh-Curtis Syndrome
MCC of septic arthritis in sexually active adults
Neisseria gonorrheae
DOC for gonorrheae
Ceftriaxone + Doxycycline
Etiology of ophthalgia neonatorum
Neisseria gonorrheae
Etiologic agents in subacute bacterial endocarditis, culture (-), in pre-existing heart disease
Kingela kingae, Eikenella corrodens
Confers invasiveness to Haemophilus influenza
Polyribitol phosphate (type B)
MCC of epiglottitis
Haemophilus influenzae
Presents as stridor, Steeple sign
Epiglottitis
Clinical manifestation of H. influenzae
(EMOP) Epiglottitis, Meningitis, Otitis Media, Pneumonia
DOC for H. influenzae
Ceftriaxone
Etiologic agent of whooping cough/tuspirina
Bordetella pertusis
Toxin that causes whooping in pertussis
tracheal cytotoxin
Toxin that mediates attachment of Bordetella pertussis
hemagglutinin
Most infective phase in pertusis
Catarrhal phase (1-2 weeks)
DOC for pertussis
Erythromycin
G(-) intracellular bacteria, visualized with Silver stain, grown on charcoal yeast
Legionella pneumophila
Transmission of Legionella pneumophila
Aerosol, NOT human-human
Clinical manifestation of Legionella
atypical pneumonia (hypoatremia, diarrhea)
DOC for Legionella
Azithromycin (or Erythromycin)
G(-) lactose fermenter, green sheen
Escherichia coli
E.coli pathogens
enterotoxins, pili, flagellum (H), endotoxin (O), capsule (K)
Traveler’s diarrhea
ETEC
Hemorrhagic colitis, HUS
EHEC
Watery diarrhea in infants
EPEC