Observation of the alert, conscious patient with closed head injury.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001130:Arizona; D002648:Child; D002675:Child, Preschool; D003243:Consciousness; D006259:Craniocerebral Trauma / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged