acetylcholine receptor antibody…

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blood test, acetylcholine receptor antibody, antibody found, in the blood of people, myasthenia gravis, acetylcholine receptor antibody attacks receptors, the neurotransmitter acetylcholine, sends signals from nerves to muscles, from nerve to nerve, in the brain, antibody prevents transmission, the signal, muscle weakness, a blood test, detect, antibodies, no special preparation, there a slight stinging, pricking sensation, blood is drawn, brief, diagnostic test, myasthenia gravis, 85% of people, generalized myasthenia, 60% of people, ocular myasthenia, have acetylcholine receptor antibodies in blood, no acetylcholine receptor antibody, less than, 05 nmol, bloodstream is normal, nmol = nanomole, presence of acetylcholinesterase antibody, in the blood of patients, symptoms of myasthenia gravis supports the diagnosis, lack of these antibodies, does not rule out this condition, 10-15% of people, myasthenia gravis, not have evidence of antibody production using the commercially-available assays, acetylcholine receptor antibody testing, confirm a diagnosis of myasthenia gravis, suspected of having this disease, symptoms include weakness that gets worse, they day progresses, repeated exertion, blurred, double vision, nasal-sounding voice, difficulty swallowing, tests to diagnose myasthenia gravis include single-fiber emg which shows a particular pattern in myasthenia gravis, an edrophonium challenge, edrophonium challenge, by injecting this drug intravenously, looking, improvement in strength by objective testing, though no one test is specific, sensitive to make the diagnosis of myasthenia, positive, likely that this, correct diagnosis, generally benign course, myasthenia gravis, life threatening, "crises", this occurs, respiratory muscles, become weak, breathing becomes difficult, use of a respirator is then necessary to support breathing, the crisis, medications, treatments, take effect, symptoms of weakness, blurry, double vision, change in voice occur, healthcare professional.