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The acetylcholine receptor Ab (AChR) test occupies a very important place in today's medicine. This test is commonly used to diagnose and monitor myasthenia gravis.
1. What is an anti-acetylcholine receptor antibody?
In the human body, acetylcholine plays an important role in muscle contraction. Antibodies to the acetylcholine receptor are a collection of substances that prevent acetylcholine from binding to its receptor at the muscle cell membrane and make the muscle unable to contract, this is one of the typical symptoms of the disease. myasthenia .
In fact, anti-acetylcholine receptor antibodies have been found in most patients with myasthenia gravis. However, for people with localized myasthenia gravis, the incidence of this substance will be lower.
2. The role of the acetylcholine receptor Ab (AChR) test
The acetylcholine receptor Ab (AChR) test plays an important role in the diagnosis of myasthenia gravis. The sensitivity of this test is very high.
In myasthenia gravis, a positive AChR transfection test is of value in the subclinical diagnosis. However, this test is contraindicated for drugs that block nerve and muscle conduction.
Xét nghiệm acetylcholine receptor Ab (AChR) có vai trò quan trọng trong chẩn đoán bệnh nhược cơ
3. Acetylcholine receptor Ab (AChR) test value
The acetylcholine receptor Ab (AChR) test parameters are in nmol/l. The normal value of the test is:
For Achr receptor-conjugated antibodies (in muscle): ≤ 0.02 nmol/L; For antibodies that change the Ach receptor (in muscle): From 0 to 20%; For antibodies in skeletal muscle: < 1:60. Therefore, when a patient has abnormal results, the doctor should immediately think of cases such as: myasthenia gravis, malignant thymoma, myasthenia gravis...
4. Procedure for performing acetylcholine receptor Ab (AChR) test
Before taking the acetylcholine receptor Ab (AChR) test Before conducting the acetylcholine receptor Ab (AChR) test, the patient does not need to fast before but should only prepare himself for a relaxed mind, avoiding pressure . Depending on the health status of each person, there will be separate notes.
Besides, when going to medical facilities for testing, patients should wear short-sleeved clothes to facilitate blood collection.
The process of performing the acetylcholine receptor Ab (AChR) test This test is quite simple, the medical staff will take a sample of your blood like other tests. Then, the nurse will fill out all the information on the test sheet. They will take note in case you have been vaccinated or immunized within the past 6 months.
The acetylcholine receptor Ab (AChR) test is important in the evaluation of myasthenia gravis. Therefore, when you suspect the symptoms of the disease, you should go to a reputable medical facility to examine and perform important tests, thereby having timely treatment.
Currently, the Laboratory - Vinmec International General Hospital is one of the leading prestigious addresses in the country, trusted by many patients for medical examination and treatment. Thanks to the use of modern machines and equipment to test and analyze patient samples, it has provided accurate information, helping doctors to assess the overall health status of the person being tested, soon. detect disease and suggest timely treatment plan. In particular, with a space designed according to 5-star hotel standards, Vinmec guarantees to bring patients the most comfort, friendliness and peace of mind when visiting and receiving treatment at the hospital.
Please dial HOTLINE for more information or register for an appointment HERE. Download MyVinmec app to make appointments faster and to manage your bookings easily.
