Quote:
Originally Posted by southblues
I am negative for all antibodies including MUSK. My doctor made the decision to call my illness myasthenia gravis based on two things.
1. He ruled out everything else.
2. Then he did a trial with mestinon. Since it was miraculous, and I get much worse without it, he said that we have an adequate basis for a myasthenia diagnosis based on clinical exam and drug response.
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Exactly the same here. My neuro told me that about 10 percent of MG patients are negative on all tests. Mestinon produced an instantaneous improvement in my walking, swallowing problems, etc. This was the basis of my diagnosis.