Arthritis Flashcards
(39 cards)
What is reactive arthritis?
A type of joint inflammation which occurs within 4 weeks post-infection, typically an STD. It commonly presents with arthritis, conjunctivitis and urethritis.
What is SLE?
Systemic Lupus Erythematosus is a relapsing-remitting autoimmune condition which causes joint pain, raynauds, oral/genital ulcers and a distinctive malar ‘butterfly’ rash which is nasolabial sparing.
What is a common respiratory complication of SLE?
Pleuritis
What is a common respiratory complication of Rheumatoid Arthritis?
ILD or pulmonary nodules
Name 4 different types of inflammatory arthritis
Rheumatoid, Ankylosing Spondylitis, Reactive, Psoriatic
What points should be covered in an arthritis history?
Pain Swelling Stiffness Function Joints affected Diurnal variation General malaise
What is rheumatoid arthritis?
An autoimmune condition causing symmetrical, inflammatory polyarthritis
What are some systemic features of rheumatoid arthritis?
- Scleritis
- Interstitial lung disease, nodules
- Pericarditis
- Skin nodules
- Cervical myelopathy
- Mononeuritis multiplex
What is osteoarthritis?
Chronic and progressive asymmetrical joint pain caused by cartilage loss and bone remodelling
What are the four characteristic features of osteoarthritis on X-ray?
- Subchondral sclerosis
- Joint space narrowing
- Osteophyte formation
- Subchondral cysts
What are the features of rheumatoid arthritis on X-ray?
- Juxta-articular osteopenia
- Soft tissue swelling
- Joint deformity
- Joint space narrowing
- Ill-defined marginal erosions
Which rheumatological condition typically causes dry eyes and mouth?
Sjorgens syndrome
What can cause back pain?
Prolapsed disc, trauma, fractures, ank spon, pregnancy, malignancy, paget’s, cauda equina, osteoporotic vertebral collapse, spinal infection
What is the treatment for septic arthritis?
IV flucloxacillin or vancomycin
What are some examples of DMARDS?
Methotrexate
Hydroxychloroquinine
Sulfasalazine
What is the main side effect of DMARDS?
Immunosuppresion
What are some examples of biologics?
TNFa inhibitors: infliximab, etanercept, adalimumab
B cell depletion: Rituximab
These are usually used in combo with methotrexate
What would be recorded on a joint aspiration in gout?
Monosodium urate crystals
What are the typical signs and symptoms of ankylosing spondylitis?
- Young man
- Gradual onset lower back pain, worst at night
- Morning stiffness relieved by exercise
- Global loss of spinal movement
- Question mark posture
- Bamboo spine (symmetrical blurring and narrowing of the joint space) on X-ray (NB this can only be seen in advanced disease)
Which HLA is involved in ank spon?
HLA B27
What happens to the hands in rheumatoid arthritis?
- Swelling of PIP joints
- Ulnar deviation
- Swan-necking
- Z-thumb
- Loss of bone density
- Rheumatoid nodules
What happens to the hands in osteoarthritis?
- Affects first MCP joint and DIPs
- Heberdens nodes (outer)
- Bouchards nodes (inner)
What features can be seen on x-ray of psoriatic arthritis?
Sausage finger, pencil in cup deformity
What is systemic sclerosis?
An autoimmune disease of connective tissue, characterised by thickened skin and vascular damage