Tensilon test

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Muscle fatigue

In many patients with myasthenia gravis, the muscles will improve right after the Tensilon. The maximum benefit only lasts a few minutes. For some types of myasthenia, Tensilon can make the weakness worse.

When the disease gets worse enough to need treatment (myasthenic crisis), there is a brief improvement in muscle strength.

When there is an overdose of anticholinesterase (cholinergic crisis), Tensilon will make the person even weaker.

Review Date: 02/05/2011
Reviewed By: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by Joseph V. Campellone, MD, Division of Neurology, Cooper University Hospital, Camden, NJ. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

A.D.A.M., Inc. is accredited by URAC, also known as the American Accreditation HealthCare Commission (www.urac.org).

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