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Home > Medical Reference > Encyclopedia (English)

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Dr. Hafer-Macko’s Bio Image

Get answers to your Myasthenia Gravis questions.

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Note: This is for informational purposes only. Doctors cannot provide a diagnosis or individual treatment advice via e-mail. Please consult your physician about your specific health care concerns.

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Tensilon test - Results

What abnormal results mean:

In myasthenia gravis, the muscles will improve immediately following the Tensilon. The maximum benefit only lasts a few minutes.

In myasthenic crisis (worsening of the disease that requires anticholinesterase therapy), there is a brief improvement in the muscle strength.

In cholinergic crisis (overdose of anticholinesterase), Tensilon will make the person even weaker.

Additional conditions under which the test may be performed include Lambert-Eaton syndrome.

  • Reviewed last on: 3/27/2009
  • David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine; and Daniel B. Hoch, PhD, MD, Assistant Professor of Neurology, Harvard Medical School, Department of Neurology, Massachusetts General Hospital. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

References

Vincent A, Newsom-Davis J. Disorders of neuromuscular transmission. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 448.

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