Definition and Aims of Treating Defibrillation

Defibrillation is the emergency procedure where first aiders apply an electronic device called an automated external defibrillator or AED to the chest of a cardiac arrest casualty and the device delivers a don't follows controlled electric shock to the casualty’s heart.
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  • Send someone for the AED if not already.
  • Ensure safety
  • If multiple rescuers are present, assign tasks for each rescuers
  • Turn on the AED
  • Attach the electrode pads
  • If multiple rescuers, continue CPR while the pads are attached
  • Follow the voice/visual prompts of the AED
  • Ensure that nobody touches the casualty while the AED is analyzing the rhythm

If a shock is indicated:
  • Ensure that nobody touches the casualty
  • Push the shock button as directed
  • Fully-automatic AEDs will deliver the shock automatically
  • Continue to follow the voice/visual prompts of the AED
If no shock is indicated:
  • Immediately resume CPR using a ratio of 30 compressions to 2 rescue breaths.
  • Continue to follow the voice/visual prompts of the AED.
  • Send someone for the AED if not already.
  • Ensure safety
  • If multiple rescuers are present, assign tasks for each rescuers
  • Turn on the AED
  • Attach the electrode pads
  • If multiple rescuers, continue CPR while the pads are attached
  • Follow the voice/visual prompts of the AED
  • Ensure that nobody touches the casualty while the AED is analyzing the rhythm

If a shock is indicated:
  • Ensure that nobody touches the casualty
  • Push the shock button as directed
  • Fully-automatic AEDs will deliver the shock automatically
  • Continue to follow the voice/visual prompts of the AED
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Aims of Treatment
  • To maintain an open airway
  • To assess and record the level of response
  • To arrange, if necessary, urgent removal to hospital
  • To treat any associated injuries
  • To gather and retain any circumstantial evidence of the cause of the condition.