xv 
 
11.
Electric shock (defibrillation) 
a) If the AED determines that electric shock is needed, the voice 
prompt saying, "Shock is needed" is issued and charging starts 
automatically. 
b)  When charging is completed, the voice prompt saying, "Press 
the shock button" is issued and the shock button flashes. 
c)  The first-aider must get away from the injured or ill person, make 
sure that no one is touching him/her, and then press the shock 
button. 
d)  When electric shock is delivered, the body of the injured or ill person may jerk. 
12.
Resume chest compressions   
a) Resume chest compressions by following the voice prompts of the 
AED. 
ʀWith each compression, depress the chest wall to a depth of
approximately 5 cm. 
ʀPerform compressions at the rate of about 100 - 120 times   
per minute. 
13.
Automatic electrocardiogram analysis 
a)  When 2 minutes have elapsed since you resumed cardiopulmonary resuscitation 
(CPR), the AED automatically analyzes the electrocardiogram. 
b)  If you suspended CPR by following voice prompts and AED voice prompt informs you 
that shock is needed, give electric shock again by following the voice prompts. 
  If AED voice prompt informs you that no shock is needed, immediately resume CPR. 
14.
When to stop CPR (Keep the electrode pads on.)   
a)  When the injured or ill person has been handed over to the emergency services   
b)  When the injured or ill person has started moaning or breathing normally, lay him/her 
on his/her side in a recovery position and wait for the arrival of emergency services.