Rheum/MSK Flashcards
HLA B27 associated with 3 conditions:
Ankylosing spondylitis
reactive arthritis
Enteropathic arthritis
HLA-DR3 associated with 2 conditions
Sjogren’s syndrome and SLE
Causes of Joint pain:
SOFTER TISSUE
Sepsis OA Fracture Tendon/muscle Epiphyseal Referred Tumour Ischaemia Seropositive arthritides Seronegative arthritides Urate (other crystals) Exa-articular rheumatism
5 Seropositive arthritis:
RA, SLE, Scleroderma, Dermatomysitis, Sjogren’s
4 Seronegative arthritis:
Ankylosing Spondylitis (Symm), Enteropathic arthritis (Symm), Reactive arthritis (ReA), psoriatic arthritis (PsA)
2 handfindings on OA:
thumb squaring
herbeden’s nodes (DIP)
Bouchards nodes (PID)
LOSS XRAY finding in OA:
Loss of joint space
Osteophytes
Subchondral sclerosis
Subchondral cysts
Symmetrical arthritis affecting the small joints. Morning stiffness
Rheumatoid arthritis
Rash, Photosensitivity, arthritis, CNS, GN, Raynaud’s phenomonen
SLE
Signs of Scleroderma?
CREST: Calcinosis Raynaud's phenomon Eosophageal Sclerodactyl (skin tightness) Telengactasia
Heliotrope Rash (peri-orbital), Shawl sign, macular oedema over chest and shoulder, Proximal muscle weakness
Dermatomyositis
CCB also increases _________ levels, possibly by a renal vasodilatory effect
uric acid
Side effects include liver cirrhosis, pneumonitis and myelosuppression
Methotrexate
Side effects include rashes, oligospermia, heinz body enzyme, interstital lung disease
Sulfasalazine
Side effects include retiniopathy, corneal deposits
Hydroxychloroquine
Side effects include Cushingoid features, Osteoporosis, Impaired glucose tolerance, hypertension, cataracts
Prednisolone
Side effects of Gold treatment
proteinuria
Side effects include Proteinuria and exacerbation of MG
Penicillamine
Reactivation of TB can occur with _______
BIological agents
NSAIDs cause _______ in asthmatics
Bronchospasma
Reactive arthritis (With Reiter’s arthritis) which is associated with ____, ____ and also ____
Chlamydia, gonorrhea and Gastroenteritis
Reactive arthritis is a HLAB27 Sero____ spondyloarthropathy.
Seronegative
Reactive arthritis typically develops within _______ weeks of initial infection and lasts around _______. Arthritis is typically an assymetrical/symmetrical oligo/polyarthritis. Also associated with ______
Reactive arthritis typically develops within 4 weeks of initial infection and lasts around 4-6months. Arthritis is typically an assymetrical oligoarthritis. Also associated with dactylitis
The combination of ______, ______ and _____ points to a diagnosis of psoriatic arthropathy
The combination of nail changes, skin changes and arthritis points to a diagnosis of psoriatic arthropathy
Does Psoriatic arthritis affect DIP or PIP?
DIP rather than PIP and MCP.
X-ray findings of Rheumatoid arthritis (LESS):
Los of joint space
Erosions
Soft tissue swelling
Soft bones - osteopenia
Xray findings of osteoarthritis (LOSS):
Loss of joint space
Osteophytes
Subchondral sclerosis
Subchondral cysts
6 A’s with Ankylosing spondylitis?
And one weird one but like totally related to back!
Apical Fibrosis Anterior Uveitis Aortic regurgitation Archilles Tendonitis AV Node block Amyloidosis
and cauda equina
Patient with Ankylosing spondylitis present with reduced _____ and _____ flexion. Aswell as reduced chest expansion
Reduced lateral and forward flexion
Bamboo spine on XRAY
Ankylosing spondylitis
Typically a young man who presents with lower back pain and stiffness of insidious onset. Pain typically worse at night and stiffness in the morning that improves with exercise.
Ankylosing Spondylitis
Methotrexate, Sulfasaline, Leflunomide and Hydroxychloroquinone are all examples of _____
DMARDs
The current indication for a TNF-inhibitor is an inadequate response to ….
at least two DMARDs including methotrexate
anti-CD20 monoclonal antibody, results in B-cell depletion
Rituximab
anti-CD20 monoclonal antibody, results in B-cell depletion
Infliximab
To differentiate between polymyalgia rheumatica and statin-induced myopathy, _____ is usually measured
ESR
Histology shows vasculitis with giant cells, characteristically ‘skips’ certain sections of affected artery whilst damaging others - overlaps with temporal arteritis
Polymyalgia Rheumatica
Muscle bed arteries affected most in ________
polymyalgia rheumatica
Typically affecting > 60 yo, Usually rapid onset (less then one month, aching, morning stiffness in proximal limb muscles). Also get polyarthlagia
Polymyalgia Rheumatic
In Polymyalgia Rheumatica you get reduced CD__ T cells
CD8+ T cells
Multi-system vasculopathy manifested by recurrent thromboembolic events, spontaneous abortions and thrombocytopenia
Anti-Phospholipid syndrome
Laboratory investigations for APLA?
Lupus anticoagulant, Anti-cardiolipin Ab, Anti-b2 glycoprotein Ab
Mx of APLA? (Thrombosis, Recurrent Fetal loss and catastrophic APS)
Mx:
Thrombosis - life-long anti-coagulation with warfarin (target INR 2.0 - 3.0)
Recurrent fetal loss: heparin or LMWH +/- aspirin in pregnancy
Catastrophic APS
A non-inflammatory autoimmune disorder characterized by widespread small vessel vasculopathy and brosis
Scleroderma