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Levels of Consciousness

Levels of Consciousness

LOC
Characteristics
Alert
Awake, alert, and oriented. Understands
written and spoken language and responds
appropriately.
Confused
Disoriented first to time, then place, then person. Memory deficits, difficulty following commands, restless, agitated.
Lethargic
Oriented to time, person, and place, but
demonstrates slow mental processes, sluggish speech. Sleeps frequently but wakens to spoken word or gentle shake. Maintains wakefulness with sufficient stimulation.
Obtunded
Extreme drowsiness, responds with one or
two words, follows very simple commands,
requires more vigorous stimulation to awake and stays awake for a few minutes at a time only.
Stuporous
Minimal movement, responds unintelligibly, and awakens briefly only to repeated vigorous stimulation.
Coma
Does not respond to verbal stimuli, does not speak. May have appropriate motor response (withdraws from noxious stimuli), nonpurposeful response, or no response.

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