Exam Flashcards
What is the main investigation in an acute attack of gout?
Aspiration and microscopy of synovial fluid- negatively birefringent needle-shaped crystals
How is gout treated a) acutely and b) prophylactically?
a) NSAIDs, colchicine, intra-articular steroids
b) allopurinol (2-4 weeks after acute attack), feubuxostat
What causes pseudogout?
Deposition of calcium pyrophosphate crystals
Symptoms of osteoarthritis (3)
Pain on activity relieved by rest
Morning stiffness
Inactivity “gelling”
Radiological signs of osteoarthritis (LOSS)
Loss of joint space
Osteophytes
Subchondral cysts
Subchondral sclerosis
Conservative management of osteoarthritis
Analgesia, physio, OT, tricyclics
Surgical management of osteo
Joint replacement, washout, osteophyte removal
Symptoms of polymyalgia rheumatica (2)
Severe symmetrical pain across the neck and shoulder girdle and pelvis
morning stiffness
Investigations in PMR (3)
Raised inflammatory markers
CK normal
Skip lesions on temporal artery biopsy
Management of PMR (2)
Corticosteroids
High dose prednisolone if temporal arteritis
Immunopathology of lupus
Immune complex deposition in small vessels
Most sensitive lupus antibody
ANA
Most specific lupus antibody
Anti-Sm
Most clinically useful lupus antibody
Anti-dsDNA
Monitoring of lupus (3)
C3/C4
ESR
dsDNA
Management of lupus (3)
Steroids
Hydroxychloroquine
Immunosuppressants e.g. MTX, AZT