I was diagnosed with myasthenia gravis ten years ago with the positive aChR, antibody test and positive tension test. My neurologist is sending me to another neurologist at Clinic at their medical school where they notified me that they will do an EMG/NCV w/Rep Stim testing, but after my visit with the new neurologist. I wanted to ask if my EMG should be negative, will I be diagnosed as not having myasthenia gravis.
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I am also diagnosed with myasthenia gravis and as much as I know a positive antibody test is a very specific indication that it is Myasthenia. You should try with a more sensitive test for Myasthenia. It is called Single Fiber EMG which has a higher diagnostic yield than repetitive stimulation. A normal repetitive nerve stimulation test does not mean that you do not have myasthenia gravis and we know the test can be normal in MG.
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