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HEAD TRAUMA

HEAD TRAUMA. HEAD TRAUMA. Instructor Name: Title: Unit:. 1. OVERVIEW. Anatomy of skull and brain Pathophysiology of head injury Review of specific head injuries Assessment of head trauma Management of head trauma. HEAD INJURY. Cause of death in 25% of trauma patients

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HEAD TRAUMA

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  1. HEAD TRAUMA HEAD TRAUMA Instructor Name: Title: Unit: 1

  2. OVERVIEW • Anatomy of skull and brain • Pathophysiology of head injury • Review of specific head injuries • Assessment of head trauma • Management of head trauma

  3. HEAD INJURY • Cause of death in 25% of trauma patients • Cause of death in 50% of MVCs • Significant long term disability • Prompt recognition and treatment can improve outcome • All patients with head or facial trauma have c-spine injury until proven otherwise

  4. ANATOMY

  5. BRAIN INJURY • Brain injury results from: • Direct injury to brain tissue • External forces applied to outside of skull transmitted to the brain • Movement of brain inside skull

  6. COUP CONTRACOUP • “4 collision” concept • Auto strikes tree • Head strikes windshield • Brain strikes inside of frontal skull • Brain rebounds and hits inside of occipital skull

  7. PRIMARY vs. SECONDARY BRAIN INJURY • Primary injury is immediate from bruising or penetrating objects • Secondary injury is from hypoxia or  perfusion of the brain • Caused by swelling, hypoxia, or hypotension • May be prevented by good patient care • Hyperventilation decreases perfusion of the brain tissue • Protect airway, give oxygen, maintain BP

  8. HEAD INJURIESSCALP WOUNDS • Very vascular • Bleed briskly • Most scalp bleeding can be controlled with direct pressure

  9. HEAD INJURIESSKULL INJURIES Courtesy Roy Alson, MD

  10. SIGNS OF BASILAR SKULL FRACTURE Courtesy David Effron, M.D. Courtesy David Effron, M.D.

  11. HEAD INJURIES BRAIN INJURIES • Concussion • Cerebral contusion • Diffuse axonal injury • Anoxic brain injury

  12. HEAD INJURIESEPIDURAL HEMATOMA

  13. HEAD INJURIES SUBDURAL HEMATOMA

  14. HEAD INJURIES INTRACRANIAL HEMORRHAGE

  15. ASSESSMENT RAPID TRAUMA SURVEY • Note LOC (AVPU), secure airway and protect c-spine • Assess breathing • Do not allow the patient to become hypoxic • Assess circulation • Control major bleeding • Prevent hypotension • Transport decision and interventions • Do brief neuro & GCS if altered LOC

  16. ASSESSMENT DETAILED EXAM • Vital signs • SAMPLE history • Head-to-toe exam, including neurological and GCS • Further bandaging and splinting • Continuous observation

  17. PUPILS

  18. POSTURING

  19. MANAGEMENT OF THE HEAD TRAUMA PATIENT • Stabilize the c-spine • Secure and maintain the airway • Ventilate at about 15 breaths/min. • Prevent hypoxia • Hyperventilate only patients with the herniation syndrome • Coma, BP, Respiration, bradycardia

  20. HEAD TRAUMA AIRWAY CONTROL CANNOT BE OVEREMPHASIZED 19

  21. MANAGEMENT • Record baseline exam • Neuro, GCS & pupils • Vital signs • Maintain good circulation • BP 110-120 systolic • Continually monitor and record observations • Prompt transport

  22. PITFALLS & PROBLEMS • Anticipate c-spine injuries • Protect the airway - prevent aspiration • Prevent hypoxia • Prevent shock • IV fluids and PASG are OK

  23. PITFALLS & PROBLEMS • Be prepared for seizures • Rapidly deteriorating condition requires rapid hospital treatment • Assess for other causes of altered LOC • Hypoglycemia • Alcohol • Drugs

  24. SUMMARY • Follow patient assessment • Protect c-spine, airway, and circulation • Record frequent vital signs, neuro, pupils, and GCS • Prompt transport

  25. QUESTIONS?

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