MICROBIO W1-DAY4_ALN Flashcards
Group A Strep
S. pyogenes
S. pyogenes:
(Upper RTI/ Lower RTI)
Upper RTI
Causative agent of Erysipelas
S. pyogenes
Causative agent of Erysipeloid
Erysipelothrix
Causative agent/s of Impetigo:
S. pyogenes
S. aureus
Causative agent/s of TSS
S. pyogenes
S. aureus
Causative agent of. Scarlet fever
S. pyogenes
Complications of untreated S. pyogenes infection
Rheumatic Fever (following a RTI)
Acute glomerulonephritis (following resp. or skin infection)
Strep virulence factor that mediates epithelial cell attachment (fibronectin binding)
Protein F
Protein A
S. aureus
Protein F
S. pyogenes
Bacterial protein that binds factor H
M protein
Group B strep
S. agalactiae
Hemolytic pattern of S. agalactiae on BAP
Beta (small zone/narrow zone)
Hemolytic pattern of S. pyogenes on BAP
Beta (large zone)
Gram + cocci that is a common cause of neonatal meningitis
Group B Strep: S. agalactiae
Todd-Hewitt Broth is for the culture of what microorganism
S. agalactiae
Group C Strep
S. dysgalactiae
S. equi
Group D Strep (Enterococcus spp)
E. faecalis
E. faecium
Group D Strep (Non-Enterococcus)
S. bovis grp
Hemolytic pattern of Group D Enterococcus
Alpha
Beta
Gamma
Hemolytic pattern of Group D Non-enterococcus
Alpha
Gamma
Group D Strep resistant to penicillin
Enterococcus
NOTE: Resistant to penicillin and other antibiotics
Basis of Brown & Smith classification
Accrdng to hemolytic pattern
Alpha hemolytic Strep
S. pneumoniae
Viridans strep