Zusammenfassung der Ressource
Monoarthritis
- Complete history and examination
- Suspect joint trauma / injury
- Effusion/synovitis present
- Arthrocentesis
- Crystals
- MSU
- Gout
- CPPD
- Pseudogout
- WBC <2000
- Suspect non-inflammatory conditions eg. OA
- WBC >2000
- Suspect inflammatory causes eg. RA, JIA, spondyloarthropathies, SLE, septic arthritis etc.
- Synovial fluid gram stain, culture, sensitivity
- Pathogens
- Septic arthritis
- No pathogens
- ESR and CRP
- Patterns indicative of certain disease vs generalised elevation
- RF and CCP
- Positive
- Suspect rheumatoid arthritis
- Negative
- Rheumatoid arthritispossible but consider other aetiologies
- ANA
- Positive
- ENA and dsDNA
- Positive
- Suspect SLE
- Negative
- SLE unlikely, consider other aetiologies
- Negative
- SLE unlikely, consider other aetiologies
- Haemarthrosis
- Imaging
- Coagulopathy profile
- No effusion/synovitis
- Radiograph
- Fracture, tumour, osteonecrosis
- Suspect soft tissue problem
- Ultrasound
- Suspect mechanical joint problem
- RA, CCP, arthrocentesis, ESR
- Positive
- Osteoarthritis unlikely, consider other aetiologies
- Negative
- Suspect osteoarthritis
- Radiograph
- Suspect inflammatory joint problem
- Findings
- Investigation
- Condition