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You are here : 3-RX.com > Medical Encyclopedia > Tests and Exams > Acetylcholine Receptor Antibody

Acetylcholine Receptor Antibody

Alternate Names : ACHr Ab, Edrophonium Test, Anti-Acetylcholine Receptor Antibody

Overview & Description | Preparation & Expectations | Results and Values

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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Acetylcholine Receptor Antibody: Preparation & Expectations

Author: David T. Moran, MD
Reviewer: Gail Hendrickson, RN, BS
Date Reviewed: 09/20/01

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