Hemarthrosis
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Hemarthrosis is a bleeding into joint spaces. It is a common feature of hemophilia.
| Hemarthrosis | |
|---|---|
| Other names | haemarthrosis |
 | |
| Lipohemarthrosis (blood and fat in the joint space) seen in a person with a subtle tibial plateau fracture. The arrow indicates a fluid level between the upper fat component and the lower blood component. | |
| Medical specialty | Rheumatology |
| Symptoms | Joint pain, swelling, and redness |
Blood tests
| Type | WBC (per mm3) | % neutrophils | Viscosity | Appearance |
|---|---|---|---|---|
| Normal | <200 | 0 | High | Transparent |
| Osteoarthritis | <5000 | <25 | High | Clear yellow |
| Trauma | <10,000 | <50 | Variable | Bloody |
| Inflammatory | 2,000–50,000 | 50–80 | Low | Cloudy yellow |
| Septic arthritis | >50,000 | >75 | Low | Cloudy yellow |
| Gonorrhea | ~10,000 | 60 | Low | Cloudy yellow |
| Tuberculosis | ~20,000 | 70 | Low | Cloudy yellow |
| Inflammatory: Arthritis, gout, rheumatoid arthritis, rheumatic fever | ||||
Related pages
- Commons (Hemarthrosis images)
- ↑ Flynn JA, Choi MJ, Wooster DL (2013). Oxford American Handbook of Clinical Medicine. US: OUP. p. 400. ISBN 978-0-19-991494-4.
- ↑ Seidman AJ, Limaiem F (2019). "Synovial Fluid Analysis". StatPearls. StatPearls Publishing. PMID 30725799. Retrieved 2019-12-19.
