second impact syndrome

English

Alternative forms
  • second-impact syndrome

Noun

second impact syndrome (usually uncountable, plural second impact syndromes)

  1. A rapid and severe brain swelling caused by a second concussion before a first has sufficiently healed, such as may occur after suffering two concussions during the same sports match. It has catastrophic results and may cause death or permanent disability.

Synonyms
  • SIS (abbreviation)

Coordinate terms

Derived terms
  • SIS (abbreviation)
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