State of being aware of
external stimuli and one’s self.
maintained by?
reticular formation system
functions
Causes of loss of Consciousness
Severe blood loss
blow
Car accident
Drug overdose
Dehydration
Low blood sugar/pressure
leading to contusion/ concussion
Concussion VS Contusion
Concussion?
Physiologic disruption in brain function due to trauma leading to
loss of consciousness. (Due to electrical disturbance) Can be
accompanied with memory loss, altered neurological deficit.
Complications of Concussion
Post concussion syndrome
Convulsive motor phenomena
Post traumatic seizures
Depression
Second Impact Syndrome
contusion
Hemorrhages on the surface of the
brain “bruising of brain tissue
Discharge Guidelines after Concussion
Details of the injury.
Important Symptoms
Companion - 24 hours
Recovery, difficulties or
complications. Hospital
Contact details
symptoms:
Slurred speech
Rapid heartbeat
confusion
Lightheadedness
Sudden inability to respond
hemorrhages types
uncal herniation
. It will herniate downward
compressing on brain stem. This can
sqeeze oculomotor nerve (supplying
eye muscle).
Also it will push the left side of midbrain compressing
the cerebral crus which contain the motor tracts so they
will all be compressed leading to ilpsilateral muscle
weakness (cuz crossing happenes in pyramids).
Investigations
Airway
to ensures adequate
oxygenation and prevents
aspiration.
circulation
SBP: between 120 and 140 mm Hg
Prevent hypotension (SBP less than
90 mm Hg in adults)