Joint dislocation
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| Joint dislocation Classification and external resources | |
| ICD-10 | T14.3 |
|---|---|
| MeSH | D004204 |
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Joint dislocation (Latin: luxatio) [1] occurs when bones in a joint become displaced or misaligned. It is often caused by a sudden impact to the joint. The ligaments always become damaged as a result of a dislocation.
Once a joint is dislocated, it may reduce (return to its proper position) on its own, or it may require physical manipulation. Such manipulation, if improperly attempted, can greatly increase the severity of the injury. However delay in treatment of a dislocation may affect blood supply, ligaments, bone and joint structures, sometimes resulting in permanent disability. As with most medical conditions, expert help should be sought as soon as possible. Once reduction is achieved, the joint may be held in place through a splint (for straight joints like fingers and toes) or a bandage (for complex joints like shoulders). Shoulder injuries can be surgically stabilized, for example using arthroscopic surgery. Dislocations often require immediate medical attention. After a dislocation caution should be exercised and the joint structures stabilized and muscles strengthened. This will help reduce the chances of repetition.
The shoulders, fingers, knees, and wrists are all common places for a dislocation to occur.
Having a dislocation increases the risk of a re-occurrence. Constant dislocations can be treated via surgery or strengthening the structures surrounding the dislocated area, normally through exercise.
Frequent, or spontaneous dislocations may also be symptomatic of a serious medical condition, such as Ehlers-Danlos Syndrome.
A subluxation is a partial dislocation.
References
Dislocations/subluxations, sprains and strains (Sx3 where x=0 to 9, 830-848) | |
|---|---|
| Neck (x=1) | Whiplash |
| Shoulder and upper arm (x=4) | Dislocated shoulder - Separated shoulder - SLAP tear |
| Hip and thigh (x=7) | Dislocation of hip - Pulled hamstring |
| Knee and lower leg (x=8) | Tear of meniscus - Anterior cruciate ligament injury - Unhappy triad - Shin splints |
| Ankle and foot (x=9) | Sprained ankle - Metatarsalphalangeal joint sprain |
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Acknowledgement and Attribution Regarding Sources of Content
Some of the initial content on this page may be incorporated in part from copyleft sources in the public domain including wikis such as Wikipedia and AskDrWiki. Drug information for patients came from the The National Library of Medicine. Infectious disease information may have come from the Centers for Disease Control (CDC). Differential Diagnoses are drawn from clinicians as well as an amalgamation of 3 sources: 1.The Disease Database; 2. Kahan, Scott, Smith, Ellen G. In A Page: Signs and Symptoms. Malden, Massachusetts: Blackwell Publishing, 2004:3; 3. Sailer, Christian, Wasner, Susanne. Differential Diagnosis Pocket. Hermosa Beach, CA: Borm Bruckmeir Publishing LLC, 2002:7 .
