second impact syndrome
English
Alternative forms
Noun
second impact syndrome (usually uncountable, plural second impact syndromes)
- A rapid and severe brain swelling caused by a second concussion before the first one has sufficiently healed, resulting in possible death or permanent disability.
- Synonym: (initialism) SIS
- Coordinate terms: chronic traumatic encephalopathy, post-concussion syndrome
Further reading
- second impact syndrome on Wikipedia.Wikipedia