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47 Cards in this Set

  • Front
  • Back
RF is a complication of ___itis caused by ___
pharyngitis
GAS
symptoms of RF appear ___ after pharyngitis
2-3 weeks
whereas GN can be caused by GAS infection of ___, RF can only be caused by GAS infection of ___
skin (impetigo)
pharynx
RF is caused by an immunologic ___ reaction
cross
RF is a type ___ hypersensitivity
2
RF main age range
5-15 years old
4 manifestations of RF
arthritis
carditis
chorea
rash
arthritis in RF is ___
___ joints are typically affected first
migratory
leg
arthritis is more severe in ___ than ___
teenagers
children
xray of RF arthritis shows
synovial fluid in FR arthritis shows
nothing
nothing (sterile)
___ (#) joints are typically affected in RF
a joint is typically arthritic for ___ days
6--12
<7
___ is typically the first manifestation of ARF
arthritis
2 chest complaints in RF
mild/moderate chest discomfort
pleuritic pain
main cardiac finding on physical exam in RF
new mitral regurgitation
RF CXR finding
cardiomegaly
RF EKG finding
AV block (any degree)
serology study for carditis
antimyosin
least common manifestation of RF
subcutaneous nodules
subcutaneous nodules in RF are ___ (2)
firm
painless
subcutaneous nodules in RF are located near ___ (2)
tendon
bony prominence
erythema marginatum looks like ___
ringworm
erythema marginatum typically affects ___
trunk
proximal limbs
erythema marginatum occurs early/late in RF
early
Jones criteria for RF
recent GAS pharyngitis +
2 major criteria
or
recent GAS pharyngitis +
1 major +
2 minor
5 major Jones RF criteria
Subcutaneous nodules
Pancarditis
Arthritis
Chorea
Erythema marginatum
4 minor Jones RF criteria
fever
arthralgia
ESR or CRP high
prolonged PR interval
erythema marginatum is pruritic/non
non
prior GAS infection may be ascertained by measuring ___
anti-strep Abs
main anti-strep Ab is ___
3 others are ___
anti-streptolysin
anti-DNAse
anti-streptokinase
anti-hyaluronidase
migratory arthritis of RF must be distinguished from ___
post-strep reactive arthritis
PSRA differs from RF migratory arthritis in ___ (4)
later onset
worse response to NSAIDs
usually no carditis
associated with GN and tenosynovitis
first 2 steps in RF tx
bed rest
monitor for carditis
acute antibiotic tx for RF: ___ or ___ for ___ days
dose is ___
penicillin PO
erythromycin PO
10
40 mg/kg/day
penicillin PO may be replaced by ___
IM benzathine penicillin
chronic antibiotic tx for RF is ___ for ___ years or until ___
if carditis is present, tx is for ___ years
IM benzathine penicillin
5 years
21 years old
10 years
patients with carditis + residual heart disease receive antibiotics for ___ years
lifelong
tx for arthritis is ___
dose is ___
ASA
100 mg/kg/day
tx for carditis is ___
dose is ___
prednisone
2 mg/kg/day
tx for chorea is ___
dose is ___
phenobarbital
16-32 mg/8 hours
___ is a manifestation implying high risk of heart disease
therefore people with this get ___
chorea
long-term prophylaxis
3 GAS pharyngitis sx
main age range is ___
tender anterior cervical lymphadenopathy
erythematous, exudative tonsils
fever>38C
age 3--14
if 1 symptom is present, do ___
if more is present, do ___
nothing
culture + ABs if positive
GAS is diagnosed by ___ (2)
rapid strep test
throat culture
7 complications of GAS pharyngitis
otitis media
sinusitis
peritonsillar abscess
scarlet fever
RF
GN
invasive disease
invasive GAS disease means
GAS in blood, CSF or pleural fluid
2 parts of tx for invasive GAS disease
admit to hospital
antibiotics
antibiotic tx for invasive GAS disease (2)
clindamycin 40 mg/kg + IV penicillin