Acetylcholine Receptor Antibody
Alternate Names : ACHr Ab, Edrophonium Test, Anti-Acetylcholine Receptor Antibody
This test determines the amount of edrophonium in a person's body. Edrophonium is a molecule that stimulates muscle contractions.
Who is a candidate for the test?
The acetylcholine receptor antibody test is used to diagnose myasthenia gravis, a condition in which the muscles become tired and weak. It is also used to monitor reponse to therapy for myasthenia gravis.
How is the test performed?
A small puncture is made on the fingertip using a sharp needle. The finger is gently squeezed to obtain a drop of blood. The blood is placed on specially-treated paper that can detect antibodies to acetylcholine receptors in the blood.
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