Muscle spasm
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| ICD-10 | R25.2 |
|---|---|
| ICD-9 | 728.85 |
A spasm is a sudden, involuntary contraction of a muscle, a group of muscles, or a hollow organ, or a similarly sudden contraction of an orifice. It is sometimes accompanied by a sudden burst of pain, but is usually harmless and ceases after a few minutes. Spasmodic muscle contraction may also be due to a large number of medical conditions, however, including the dystonias.
By extension, a spasm is temporary burst of energy, activity, or emotion.
A subtype of spasms is colic, an episodic pain due to spasms of smooth muscle in a particular organ (e.g. the bile duct). A characteristic of colic is the sensation of having to move about, and the pain may induce nausea or vomiting if severe. Series of spasms or permanent spasms are called a spasmism.
In very severe cases, the spasm can induce muscular contractions that are more forceful than the sufferer could generate under normal circumstances. This can lead to torn tendons and ligaments.
Some argue that hysterical strength is a type of spasm induced by the brain under extreme circumstances.
See also
External links
Symptoms and signs: nervous and musculoskeletal systems (R25-R29, 781) | |
|---|---|
| Abnormal involuntary movements (see also movement disorders) | Tremor - Spasm - Fasciculation - Athetosis |
| Gait abnormality | Scissor gait - Antalgic gait - Cerebellar ataxia - Festinating gait - Pigeon gait - Propulsive gait - Steppage gait - Stomping gait - Spastic gait - Myopathic gait - Magnetic gait - Trendelenburg gait |
| Lack of coordination | Ataxia (Cerebellar ataxia, Sensory ataxia) - Dysmetria - Dysdiadochokinesia - Hypotonia |
| Other | Tetany - Meningism - Hyperreflexia - Opisthotonus - Abnormal posturing - Hemispatial neglect |
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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 .
