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Can myasthenia gravis be diagnosed with the ‘ice pack test’? A cautionary note
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  1. Andrew J Larner,
  2. Dafydd J Thomas
  1. Department of Neurology, St Mary's Hospital, Praed Street, London W2 1NY, UK
  1. Dr AJ Larner, Walton Centre for Neurology and Neurosurgery, Lower Lane, Fazakerley, Liverpool, L9 7LJ, UK

Abstract

The ice pack test may be helpful in establishing that ptosis is due to ocular myasthenia gravis, since cold improves neuromuscular transmission. However, the role of the test in determining whether diplopia is of myasthenic origin has yet to be established.

  • myasthenia gravis
  • diplopia
  • ice pack test

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