Acute rheumatic fever Flashcards
Causative at
Group A beta hemolytic streptococci
Most commin cause of heart disease in children of developing countries
RHD
HLA Class II alleles thar associated with susceptibility
HLA-DR7
HLA-DR4
Most common manifestations
Carditis
Polyarthritis
Latent Period from infecrion to SSx
If with Chorea and indolent carditis
3 weeks
6 months chorea indolent carditisC
Hallmark of rheumatic carditis
Valvular damage
Most comminlt affected valve
Mitral valvr
Character of joint. Involvement
Migratory
Adymmetric
Large joints
Sydenham’s chorea resovles in _ weeks
6
Pink macules that clear centrally leaving a serpinginous spreading edge
Usually on trunk sometimes limbs
Never on the face
Erythema marginatum
Painless small mobile lumps underlying skin over bony prominences particularly of hands, feet, elbows, occiput and occl vertebrae
Few days to 3 weeks
Delayed manifestation usually 2-3 weeks after onset of disease
Associated with caridtis
Subcutaneous nodes
Osler’s nodes are painful and in Infective Endocarditis
Titer for strep infection
Anti streptolysin O
Anti DNase B
JONES criteria
mAjor
Major JONES Joints artheitos O=❤️ Carditis n subcutaneous nodes E erythema marginatum Sydenham chorea
JONES MINOR
cafepal
CRP Arthralgia Fever ESR Prolonged PR interval Previous fever or RHD Leukocyte count
Ceiteria for those withour recurrent RHEUMATIC FEVER
2 major
OR
1 major, 2 minor + evidence of group A