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Ch. 23 Head and Face

Ch. 23 Head and Face. Head. Anatomy of Head. 28 bones Mandible is the only movable bone Suture is where two bones come together . Brain Facts. 3 pounds Requires 20% O2 and 15% blood supply Brain cells grow until 18 Divided into lobes Connects to spinal cord Cerebrospinal fluid

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Ch. 23 Head and Face

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  1. Ch. 23 Head and Face Head

  2. Anatomy of Head • 28 bones • Mandible is the only movable bone • Suture is where two bones come together

  3. Brain Facts • 3 pounds • Requires 20% O2 and 15% blood supply • Brain cells grow until 18 • Divided into lobes • Connects to spinal cord • Cerebrospinal fluid • Left brain controls right side of body, vice versa

  4. Brain Lobes • Frontal: voluntary muscle movement, emotion, eye movement • Parietal: Sensation • Occipital: Vision • Temporal: Hearing, speech • Cerebellum: equilibrium, muscle, reflexes

  5. Scalp Injuries • Usually bleeds more • Could look worse than it is • Treat and control bleeding • Continue with head injury assessment to rule out other injuries

  6. Skull Fractures • Caused by a severe blow when headgear is not worn • S/S: bleed or CSF draining from ear or nose • Battle sign • Raccoon eyes

  7. Concussions • Mild brain injury • More than 300,000 each year • 62,000 in high school • Several different grading systems • AVPU • SCAT card

  8. Concussions • Signs and Symptoms • Cognitive: awareness of time and space, consciousness • Typical: headache, dizziness, nausea, double vision • Physical: loss of consciousness, poor balance, seizures, vomiting • Retrograde and antegrade amnesia

  9. Concussions • Return to participation • No activity, complete rest until asymptomatic • Light aerobic exercise • Sport-specific training • Non-contact training drills • Full-contact training drills after clearance • Game play

  10. Hemorrhage • Bleeding within the skull; forms hematoma • Subdural: between brain and dura mater • Epidural: between skull and dura mater • Intracranial: pooling of blood within brain

  11. Secondary Impact Syndrome • Rapid swelling and herniation of the brain after a second head injury that occurs before the symptoms of a previous injury has been resolved • Second impact could be minor • This is why it is really important to fully clear an athlete after a head injury

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