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Table 1 Voice prompts of the automated external defibrillator during the simulated cardiac arrest scenario

From: Minimal instructions improve the performance of laypersons in the use of semiautomatic and automatic external defibrillators

Automatic

Semiautomatic

Tones

Call for help now

After the AED lid opens, two beeping tones sound. The voice prompts will sound following the beeping tones

Remove clothing from chest

 

Pull red handle to open bag

 

Peel each pad off blue plastic

 

Apply pads to exposed chest

 

Do not touch patient – evaluating heart rhythm

Two beeping tones sound to simulate heart rhythm analysis

Stand by – preparing to shock

 

Everyone clear

 
 

Press flashing button

Semiautomatic model only; an alarm tone sounds until the shock button is pressed

Do not touch patient – delivering shock

 

Automatic model only; an alarm tone sounds until shock is delivered automatically

Voice prompts that are not used

 

No shock advised

 

Shock not delivered

 

Check for pulse; if no pulse start CPR

 

Check for breathing; if not breathing start CPR

 

Check for signs of circulation; if no signs of circulation start CPR

 

Continue care

 

Check pads for good contact

 

Motion detected

 

Stop motion

 
  1. AED, automated external defibrillator; CPR, cardiopulmonary resuscitation. Data from Medtronic [7].