Peds Bacteria/Parasites Jones Flashcards
Brucella general
Etiology - small, aerobic, nonspore, nonmotile, G- coccobacillary
Epidemiology - handling infected goats, unpasteurized milk
Traveler
Brucella Clinical manifestations -
long inoculation perior
Classic Triad: Fever, Arthralgia/arthritis, HSM
Thrombocytopenia to pancytopenia
Brucella Dx
Serum agglutinin test
Brucella Tx
Doxycycline for children 8+
Bactrim for children under 8
Campylobacter jejuni general
Etiology - G-, curved, thin, non spore rods
Epidemiology - Ingestion of contaminated chicken/turkey or raw milk
Campylobacter jejuni Clinical manifestations
Gastroenteritis
Complications Reactive arthritis; Guillain-Barre syndrome
Campylobacter jejuni Dx
Stool culture
Campylobacter jejuni Tx
Supportive care: rehydration
Bartonella henselae general
Cat scratch disease
Etiology - small pleomorphic G- bacilli in LN
Epidemiology - inoculation from cat-scratch kittens to 6 months
Bartonella henselae Clinical manifestations
Papules to tender LAD to lymphadenitis w/ fever
NO I&D
Bartonella henselae Dx
Bartonella henselae Ab titer
Bartonella henselae Tx
Supportive care!
Amoxicillin-clavulinic acid for no staph
Clostridium botulinum general
Etiology - Acute, flaccid paralysis caused by neurotoxin
Epidemiology - infant foodborne/ wound
Clostridium botulinum Clinical manifestation
Infant: inability to feed, lethargy, weak cry,
diminished spontaneous movement; dysphagia, drooling
Clostridium botulinum Dx
Classic triad of botulism - acute onset of symmetric flaccid descending paralysis with sensorium, no fever, no paresthesias
Clostridium botulinum Tx
Human botulism Ig, given IB (BIG-IV)
C. diff general
Etiology: G+ anaerobic bacillus, spores
Epidemiology - preceding hospitalization or abx exposure
C. diff Clinical manifestation
pseudomembranous colitis (watery diarrhea)
C. diff Dx
C. diff toxin detection
Children under 3 y.o. is NORMAL
C. diff Tx
Oral Metronidazole
Oral Vancomycin for recalcitrant or recurrent infections
Enterococcus etiology
G+
Catalase neg
Facultative anaerobes that grow in pairs or short chains
Enterococcus Clinical manifestation
Neonates: sepsis
Children: Nosocomial UTIs, bacteremia
Enterococcus Tx
Amoxicillin/ampicillin
if simple UTI: Nitrofurantoin
E. coli Epidemiology
Enteric and UTIs
Sepsis and meningitis in Newborn
Bacteremia and sepsis in Immunocompromised pts
E. coli information
CM
Tx
6 major groups
EHEC well known for HUS - kidney failure
Clinical manifestations: mild diarrhea to hemorrhagic colitis
Abx can induce toxins - HUS
Fever in 1st week of life
Bactrim?
Haemophilus Etiology
Vaccine
Prophylaxis
Fastidioius
G-
Pleomorphic coccobacillus
Vacc: 12-15 months completed
Rifampin for children
Haemophilus Clinical manifestations
Meningitis Preseptal and orbital cellulitis epiglottitis Pneumonia OTITIS MEDIA Conjunctivitis, Sinusitis
Haemophilus Tx
OM: 80-90 mg/kg/day of Amoxicillin