This video from drmdk talks about ways to Diagnose Myasthenia Gravis.
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Male1: You examine the patient, you see that there is that droopiness. The history seems to coincide what you said before of what Myasthenia Gravis could be. What would you do to further make the diagnosis? Male2: Sure. And I think you lead with a very good question because really the most important thing is the physician sitting down with the patient asking them question about their symptoms and then examining them. That’s really the key to the diagnosis in all medical specialties but especially in neurology, one of the reasons I love it so much. After you do that and you’re convinced from a clinical standpoint that this is Myasthenia Gravis, there's several test that can help you conform. So, the first test I should check is called to measure the levels of the acetylcholine receptor antibody. One of the things about Myasthenia Gravis that’s very exciting is that there’s always new things being discovered about it. When I first learned about it, it was the acetylcholine receptor antibody and that’s all it was but this antibody, there's several antibodies that can affect the acetylcholine receptor in several different ways. It can bind to the acetylcholine receptor and just comes off again or it can block the neuromuscular or acetylcholine receptor or it can actually change or what we call modulated. So, there's binding and a blocking and there's modulating antibodies. So, you have to send the blood test to a special lab, who knows they know what their doing and know how to measure them.
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