How is scorpion envenomation with neurological symptoms graded?

Updated: Nov 09, 2018
  • Author: David Cheng, MD; Chief Editor: Joe Alcock, MD, MS  more...
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Neurologic predominance is graded as follows:

  • Grade I - Local pain or paresthesia at the sting site (83%)

  • Grade II - Pain or paresthesia that has traveled from the sting site (9.1%)

  • Grade III - Either cranial nerve or somatic neuromuscular dysfunction (4.7%)

  • Grade IV - Both cranial nerve and somatic neuromuscular dysfunction (3%)

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