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Tests
MEDOP 230- Orthopedics: Blood and Muscle Tests
Type | Term | Definition | Note |
---|---|---|---|
Blood | Acetylcholine receptor antibody test | Test that detects antibodies that the body produces against its own acetylcholine receptors; | used to diagnose myasthenia gravis. |
Blood | Creatine phosphokinase (CPK-MM) test | Test that measures the level of serum CPK-MM, an isoenzyme found in skeletal muscle. | •Used to screen for muscular dystrophy and other diseases involving destruction of muscle tissue.•High CPK-MM levels suggest the presence of disease |
Muscle | Edrophonium test. | Procedure in which patients are given the drug edrophonium to confirm a diagnosis of myasthenia gravis | •Drug temporarily increases acetylcholine levels.•Patients with myasthenia gravis experience a temporary increase in strength during the test |
Muscle | Electromyography (EMG) | Procedure in which a needle electrode is inserted into a muscle to record the electrical activity of the muscle as it contracts and relaxes; | used to diagnose muscle or nerve disease. |