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A member asked:
I have detectable levels of achr modulating antibodies in my blood but its within the normal range. i have symptoms of myasthenia gravis. why would i have detectable levels of achr modulating levels in my blood but its within the normal range?
3 doctors weighed in across 2 answers
"Symptoms of myasthenia gravis" are not necessarily proof of diagnosis. The standard antibodies are not always positive, especially in neuro-muscular junctional variants. Other antibodies may be tested, especially MUSK. A single fiber EMG can often clarify the diagnosis.
Answered 7/22/2022
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"AChr" is an acronym for acetylcholine receptor antibodies, and can be present in normal individuals, and elevated in cases of myasthenia gravis, with symptoms of muscle weakness even if within normal range.
Answered 7/21/2022
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What other diseases can give the same symptoms as systemic myasthenia gravis when antibodies against the acetylcholine receptor are negative?
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