Rheumatology Flashcards
CPPD features
Calcification of wrist, MCP,
Genetics of RA
HLA DRB1*0404/01/05
Scoring for RA disease
Disease activity score 28
>5.1 is high
<2.6 is remission
Feet not included
Scleroderma renal crisis Ab
Anti-RNA polymerase III abs
Cardiac MRI finding SSC
Delayed contrast enhancement anteroseptal location
cANCA
Proteinase 3
Cytoplasmic staining
pANCA
Myeloperoxidase (MPO)
Perinuclear staining
PR3 associated vasculitis
GPA
MPO vasculitis
EGPA (only 40% positive for ANCA)
MPA
Necrotising crescenteric GN
GPA clinical manifestations
URT involvement
Nasal disease
Pulmonary manifestations
Renal
EGPA manifestations
Asthma Eosinophils Mononeuritis multiplex Renal Skin Pulmonary infiltration
ANCA Vasculitis Rx
Non organ threatening involvement
Pred
MTX
Organ threatening
Methyl pred
Cyclophosphamide or Rituximab
Antibody most specific for SLE
Anti ds-DNA
specific 87%
Anti RO
Sjogrens
SLE
Risk of cutaneous neonatal lupus and congenital heart block
Anti La
Sjögren’s syndrome
SLE
Anti SM (smith)
Cerebral and renal lupus
Most specific for lupus
Anti U1 RNP
MCTD
SLE
Antibody with negative association with lupus/autoimmune disease
Anti dense fine speckled 70
Anti DFS70
Mild lupus Rx
Hydroxychloroquine
Pred
AZA
MTX
Rx for SLE major organ involvement
Cyclophosphamide
Mycophenalate
Genetics with Spondyloarthritis
HLA B27
ERAP 1
IL -23R
TNF inhibitors
Etanercept
Infliximab
Adalimumab
Best AHTN for urate lowering property
Losartan
Risk in pregnancy with Anti Ro
Congenital heart block
Drug induced lupus
Positive ANA
Hydrochlorothiazide Terbinafine Anti TNF drugs PPI NSAIDS
Antibody associated with immune mediated necrotising myopathies
HMG-CoA reductase antibodies
Often triggered by statin use
Antibody associated with Polymyositis
Anti-Jo1
Antibody associated with associated with diffuse cutaneous systemic sclerosis
Anti-Scl-70 = anti-topoisomerase I
Ab associated with renal and neuropsychiatric Lupus
Anti-Sm (smith)
Ab associated with Goodpastures Disease
Anti-GBM
Ab most associated with dermatomyositis
Anti-Mi-2 antibody
Most specific Ab for RA
Anti-CCP
Cancer associated with Sjogren’s syndrome
Lymphoma
Associated with Persistently high RF
CREST
Calcinosis Raynauds Eosophageal dysmotility Sclerodactyly Telengiectasia
Systemic sclerosis vs raynauds clinical finding
Nailfold capillary changes with SS
Anti-Jo association
Antisynthetase syndrome
Polymyositis Complications
Pulmonary
Eosophageal/dysphagia
Cancer
Neurostimulation site for PD
Subthalamic nucleus
Anti-centromere Ab
Limited Cutaneous Systemic Sclerosis
Complications of Sjogrens
Lymphoma Tubulointerstitial nephritis RTA type 1 IPF Dental Ophthalmic
Triad of sjogrens
Dry eyes
Dry mouth
Inflammatory arthritis
Diagnosis of Sjogrens
Opthalmic staining score
Lip/labial biopsy (minor glands)
Anti ro/la
Triggers of scleroderma renal crisis
Prednisolone
ACE not protective
Features suggestive of septic arthritis
WCC >50,000
>75% polys
Cultures positive
Oral ulcers Genital ulcers Ovular disease Skin lesions GI manifestations Vasculitis
Positive pathergy test
Behcets disease
Skin manifestations sarcoid
Lupus pernio (involves nose/central face, increased risk for pulmonary sarcoid)
Erythema nodosum
Most specific finding for PsA
Dactylitis
Treatment of RA
MTX
sulphasalazine
Hydroxychloroquine
Leflonamide
TNF inhibitor
IL-6 inhibitor
JAK inhibitors
Start on NSAID and oral steroids
Treatment of dermatomyositis
Pred
MTX/AZA for sparing
New murmur an APLS/SLE
Liberman-sach’s endocarditis
Erosive arthritis of 2nd and 3rd MCP joints
Haemachromatosis
SScl with ILD Rx
Mycophenalate
Treatment of sarcoid
glucocortocoids
purpura, abdominal pain, and arthralgia
IgA vasculitis (Henoch-Schönlein purpura)
High dose steroids and unexplained groin pain
Avascular necrosis
RA
splenomegaly
cytopaenia
Felty Syndrome
Rx: Steroids
aminoacyl-tRNA synthetase antibody
Antisynthetase
Rash findings dermatomyositis
Gottron’s papules
Heliotrope rash