Tensilon is the trade name for edrophonium chloride. The
Tensilon test is an injection of edrophonium chloride used to
diagnosis myasthenia gravis (MG).
Tensilon is the trade name for edrophonium chloride. The
Tensilon test is an injection of edrophonium chloride used to
diagnosis myasthenia gravis (MG).
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By blocking the action of acetylcholinesterase, Tensilon
prolongs the muscle stimulation, and temporarily improves strength.
Increased strength following an injection of Tensilon strongly
suggests a diagnosis of MG.
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The Tensilon test involves the intravenous injection of a small
amount of Tensilon. The needle is left in place. If no adverse
reaction is observed within 30 seconds, an additional volume is
injected. Results are apparent within one minute.
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The effects of Tensilon subside quickly, and are completely gone
after 30-60 minutes. No aftercare is needed.
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The Tensilon test may cause heart rhythm abnormalities,
especially in those patients with preexisting conditions.