Strep Flashcards
What virulence factor of S. pyogenes converts plasminogen to plasmin
Streptokinase
Fibrinolysin
What is used to document antecedent strep skin infection
Anti-DNAse B antibody
What streptococci possesses C5a peptidase as its virulence factor
Strep pyogenes
The structure of this protein is similar to the body’s proteins; causing molecular mimicry
M protein
Produces antibody to document antecedent strep throat infection
Streptolysin O
Toxin that causes necrotizing fasciitis
Exotoxin B
Color of skin lesion of impetigo contagiosa
Honey
Differnce bet erysipelas and cellulitis
Cellulitis is deeper
Clinical characteristics of scarlet fever
Strawberry tongue
Sandpaper like centrifugal rash
Pastia’s lines
Painful lymphadenopathy
Desquamation
Diagnosis of ARF
Throat culture or inc ASO titer + 2 major or 1 major and 2 minor
Characteristic of joint involvement in ARF (major criteria)
Migratory polyarthritis
What major criteria of ARF is standalone
Sydenham chorea
JONES
Joint involvement
Myocarditis
Subcu nodules
Erythema marginatum
Sydenham chorea
CAFE PAL
Inc CRP
Arthralgia
Fever
Inc ESR
Prolonged PR interval
Anamnesis of rheumatism
Leukocytosis
Pathophysio of PSGN
Immune complex deposition (M protein and Ag)
Post skin strep sequelae
PSGN
Morphology of S. pneumoniae
Lancet shaped diplococcus
What viridans strep causes dental caries
S. mutans
What infection is associated with S. sanguis
Infective endocarditis
Strep that is the cause of 60-70% of brain abscess
S. intermedius
What type of endocarditis usually presents as toxic looking
Acute
Causative agent of subacute endocarditis
Viridans strep
Causative agent of marantic endocarditis
Strep bovis
