Rheumatology Flashcards
(153 cards)
What are the X-Ray changes in Osteoporosis?
LOSS Loss of joint space Osteophytes Subchondral/subarticular sclerosis Subchondral cysts
Risk factors for osteoarthritis
Obesity Old age Female Family history Occupation
Presentation for osteoarthritis
Pain on movement Crepitus Worse at end of day/no morning stiffness Worsened by exercise/relieved by rest No systemic features Stiffness after rest - gelling Bony swelling & deformity - Heberden's and Bouchard's nodes
Where does Heberden’s node affect?
DIP
Where does Bouchard’s node affect?
PIP
Management for osteoarthritis
Weight loss
Exercises for muscle strength - physiotherapy
Aids and devices/walking stick - occupational therapy
Oral paracetamol and topical NSAIDs
Oral NSAID + PPI e.g. Omeprazole
Intra-articular steroid injections (methylprednisolone)
Joint replacement (hip and knee)
What joint is most commonly affected in septic arthritis?
Knee
What is the commonest bacteria causing septic arthritis
Staph aureus
What other bacteria cause septic arthritis
Step pyogenes
H. influenzae
E. coli
Nesisseria gonorrhoea (in sexually active)
Risk factors for septic arthritis
Prosthetic joint Rheumatoid arthritis Diabetes IV drug abuse Alcohol Immunosuppression
Presentation for septic arthritis
Usually only affects ONE joint - the KNEE Hot Red Swollen Painful Immobile/restricted Fever lethargy Sepsis
Investigations for septic arthritis
Joint aspiration for synovial fluid microscopy and culture
WCC
Polarised microscopy (exclude gout = urate crystals & pseudogout = calcium pyrophosphate)
ESR/CRP raised
X-ray
Management for septic arthritis
Empirical antibiotics
Flucloxacillin for staph + rifampicin
Vancomycin for MSRA/penicillin allergy
Define rheumatoid arthritis
Chronic inflammatory autoimmune disease characterised by synovial joint inflammation leading to joint destruction
What is the pattern of rheumatoid arthritis
Symmetrical and affects multiple joints
Genetic associations for rheumatoid arthritis
HLA DR4
HLA DR1
Who is more commonly affected in rheumatoid arthritis
50 year old woman
Presentation for rheumatoid arthritis
Symmetrical polyarthritis Joint pain + swelling Worse after rest/improves with exercise Morning stiffness Sudden onset Fatigue Weight loss Fever Muscle aches and weakness
What joints are affected in rheumatoid arthritis
MCP MTP PIP Wrist and ankle Cervical spine Knee, hips, shoulders
Signs on examination for rheumatoid arthritis
Z-shaped deformed thumb
Swan neck deformity
Boutonnieres deformity - flexed at PIP and extended at DIP
Ulnar deviation of the fingers
What is palindromic rheumatism?
Self-limiting short episodes of inflammatory arthritis. Only lasts 1-2 days then resolves
Extra-articular manifestations of rheumatoid arthritis
Rheumatoid nodules Lymphadenopathy Secondary Sjogren's syndrome Felty's syndrome = RA + splenomegaly + neutropenia Obliterative bronchiolitis Caplan's syndrome (pulmonary fibrosis with pulmonary nodules) Anaemia Cardiovascular disease Epscleritis and scleritis Carpal tunnel syndrome Amyloidosis
Investigations for rheumatoid arthritis
Anti-CCP
Rheumatoid factor
FBC
X-ray
X-ray features seen in rheumatoid arthritis
LESS Loss of joint space Bony Erosions Soft tissue swelling Softening of bones (osteopenia)