Resp - Streptococcus Pneumoniae (streptococcus) Flashcards
1
Q
Morphology
A
Gram positive diplocci
lancet-shaped
encapsulated
2
Q
Classification/Diagnosis
A
Catalase negative alpha-hemolytic optochin sensitive 90 serotypes test by gram stain, sputum culture
3
Q
Pathology
A
CbpA (binds complement Factor H), carbohydrate capsule, disease due to triggering of inflammatory response
4
Q
Epidemiology
A
colonizes oropharynx, commensal, disease occurs in young children and elderly
5
Q
Diseases/Symptoms
A
sinusitis, otitis media, mastoiditis
lobar pneumonia
septicemia, meningitis
6
Q
Treatments/Vaccinations
A
Penicillin (resistance becoming common)
3rd generation cephalosporins, bactrim, levofloxacin, vancomycin
7- and 13- valent conjugate vaccines for children, 23- valent CPS vaccine for elderly
