What follows a tetanic contraction in the evaluation of myasthenia gravis (MG)?

Updated: Aug 27, 2018
  • Author: Abbas Jowkar, MD; Chief Editor: Nicholas Lorenzo, MD, MHA, CPE  more...
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Answer

Factors related to tetanic contraction may also affect RNS findings. A tetanic contraction of muscle is followed by 2 distinct phases:

  • Post-exercise facilitation or repair of decrement, occurring for the first 2 minutes after tetanic contraction

  • Post-exercise exhaustion, lasting an additional 15 minutes after posttetanic potentiation


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