Level 2 concussion: This is usually described as no loss of consciousness but confusion lasting greater than 5-15 minutes.
Answered 6/4/2015
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Ratings change: The rating scale of concussion has undergone many changes. In general, a level 2, indicates that the concussion symptoms last longer that about 30 minutes. People with level 2 concussions have not lost consciousness, but individual becomes alert and relatively clear thinking. However, symptoms evolve over time and may last weeks to as long as a year.
Answered 12/28/2019
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