Consciousness refers to different levels of awareness of
one’s thoughts and feelings
SLEEP
REM sleep, a
stage of sleep
characterized by
rapid eye
movements, a
high level of
brain activity, a
deep relaxation
of the muscles
and dreaming
NREM sleep. This stands for
non-rapid eye movement and is
the other type of sleep.
Blood Supply
Types of traumatic brain injury
Clinical Presentation and radiology
Glasgow Coma Scale
practical method to assess the impairment in the level
of conscious in response to specific stimuli
It classifies traumatic brain injury (TBI) into:
Severe
(3-8)
Moderate (9-13
Mild
(14-15
Cushing Reflex
occurs in response to increase in
the intracranial pressure.
It is a triad of hypertension,
bradycardia, and irregular
breathing (Apnea)
indicates that brain herniation
and death is imminent, so it is an
emergency situation
Managements
Pharmacology
General
Check the ABC’s. if necessary, begin rescue
breathing and CPR
Stop any bleeding by firmly pressing a clean cloth on the wound. If
blood soaks the cloth, place another cloth over it (don’t remove).
adequate airway, breathing and circulation during the initial period of
resuscitation and evaluation
maintenance of balance between CDO2 (cerebral oxygen delivery ) and
CMRO2 (cerebral metabolic rate of oxygen=cerebral oxygen consumption
Surgery
INDICATIONS A sudden
(acute) subdural hematoma
An ongoing (chronic)
subdural hematoma
Certain kinds of brain
cancer Buildup of pus
around the meninges
Hydrocephalus
Complications Bleeding
Infection Blood clots
Brain injury Another
surgery required
Complications
Contusion
-Localized injury
-Macroscopic
Changes in cognition such as
alterations in personality, or
reductions in intelligence.