Rheumatic Diseases Flashcards
What type of inflammation is seen in juvenile idiopathic arthritis?
Inflammation of synovium
Non-suppurative
S/Sx of Juvenile idiopathic Arthritis.
- Fever
- Rheumatic rash
- Hepatosplenomegaly
- Lymphadenopathy
What joints are usually spared in polyarticular juvenile idiopathic arthritis?
Lumbasacral
Which gender is more affected by polyarticular juvenile idiopathic arthritis?
Female
At what age does polyarticular juvenile idiopathic arthritis typically arise?
> 8 yo
What joints are typically affected by polyarticular juvenile idiopathic arthritis?
Larger joints
Type II polyarticular juvenile idiopathic arthritis is associated with what HLA marker?
HLA-DR4
What laboratory data leads to the Dx of pauciarticular JIA?
- Anemia
- Leukamoid reactions
- Increased platelets
- cloudy synovial fluid w/ increased protein
- Soft tissue swelling (on XR)
SE of ASA Tx in Pauciarticular JIA.
- Hyperventilation
- Drowsiness
- Tinnitus
- Reyes syndrome
What type of onset of JIA displays large joint involvement symmetrically?
Pauciarticular JIA
What is the most common type of Pauciarticular JIA?
Type I
HLA-DR5, HLA-DR6, HLA-DR8, ANA
50% of children with pauciarticular JIA will display what type of involvement?
Eye; iridocyclitis (anterior chamber of eye)
Unlike polyarticular JIA, pauciarticular JIA displays involvement in which joints?
Lumbosacral
What are the HLA and ANA factors of Type I Pauciarticular JIA?
- HLA-DR5
- HLA-DR6
- HLA-DR8
- Increased ANA
What are the HLA & ANA factors of Type II Pauciarticular JIA?
- HLA-B27
- No increase in ANA
Reyes syndrome can be caused by the administration of what medication to a pediatric patient?
Aspirin
The rash will be from the waist down in which disease?
Henoch-Schonlein Purpura
In Henoch-Schonlein Purpura, a patient will display what type of purpura?
- Nonthrombocytopenic purpura
- Rash from waist down
Why does muscle inflammation occur in calcinosis?
Ca2+ deposits within muscle tissue
What type of patches are noted with calcinosis (dermatomyositis)?
Guttron patches (red, scaly patches on elbows, knee, and knuckles)
The rash in dermatomyositis involves what folds?
Nasolabial folds
What clinical feature is noted symmetrically in calcinosis (dermatomyositis)?
Symmetric weakness of proximal muscles (e.g., hips & legs)
What factor is positive in most pediatric patients with SLE?
ANA
What are the clinical features of SLE in pediatric patients?
- Ulcers in mouth
- Malar rash (nasolabial folds are spared)
- Scarring alopecia
- Cutaneous vasculitis
What is the Triphasic course of Kawasaki disease?
- Acute: fever, nonpurulent conjunctivitis, rash, orpharyngeal edema
- Subacute: peeling of hands & feet
- Convalescent: cracked lips & strawberry tongue
A fever of >5 days may indicate what disease?
Kawasaki disease
What are the (5) diagnostic features of Kawasaki Syndrome?
4/5 must be present for Dx
- Bilateral conjunctivitis
- Strawberry tongue
- Changes in peripheral extremities
- Rash (Non-vesicular)
- Cervical lymphadenopathy