What is the role of loss of consciousness (LOC) in the assessment of traumatic brain injury (TBI)?

Updated: Feb 01, 2018
  • Author: Percival H Pangilinan, Jr, MD; Chief Editor: Stephen Kishner, MD, MHA  more...
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Answer

Answer

The duration of loss of consciousness (LOC) is another measure of the severity of a TBI (Table 2). [23]

Table 2. Severity of TBI Based on the Duration of LOC (Open Table in a new window)

Severity of TBI

Finding

Mild

Mental status change or LOC < 30 min

Moderate

Mental status change or LOC 30 min to 6 h

Severe

Mental status change or LOC > 6 h

Source—Greenwald et al, 2003. [23]


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