CPR+AED Guidelines 2018 | Singapore Heart Foundation

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CPR+AED Guidelines 2018

Chain of survival

When a cardiac arrest occurs, the heart stops beating and blood flow to the vital organs stops. Without immediate intervention, the chances of survival decreases by 7 – 10% per minute.

The essential steps for helping a cardiac arrest victim are illustrated in a system called the “Chain of Survival” as well as essential protocol known as “DRS-ABCD”. Over the years, improvements have been made with the introduction of new practices.

Danger Check for Danger
Ensure that the scene is safe before approaching.
Person checking for danger before approaching casualty
Response Check for Response
Tap firmly on the casualty’s shoulders and shout “Hello, hello! Are you OK?”
Checking for casualty's response
Shout for Help Shout for Help
Call 995 for an ambulance and stay on the line.
Note: Follow dispatcher’s instructions, if unsure.
Person calling for an ambulance
AED Ask someone to get an Automated External Defibrillator (AED) New Practice
When alone, only get the AED if it is visible and nearby
AED sign
Breathing Check for normal Breathing
Look for rise and fall of the chest (not more than 10 sec). If casualty is not breathing normally or if you are unsure, start CPR. New Practice
Note: Agonal breathing or gasping is not normal breathing
Checking if casualty is breathing
Compression Perform continuous CPR
Push hard at a rate of 100 – 120 compressions per min at a depth of 4 – 6 cm at the lower half of breastbone.
Performing chest compressions
Automated External Defibrillator Arrival of AED
Check for safety – no metal surface, water or combustible gas.
Switch on the AED.
Switching on AED
Follow voice prompts and apply pads. AED pads on a casualty
Press shock button if instructed, after checking for safety
New Practice
If no shock is advised, continue CPR.
Stop CPR when:

  • AED analyses heart rhythm, is charging or is executing a shock
  • Casualty wakes up or regains normal breathing
  • Paramedics arrive
Pressing AED's shock button

New Practice If you are a single rescuer and feeling tired, you may take a rest of not more than 10 seconds (preferably after 100 compressions).

The information provided in this article is based on guidelines by the Singapore Resuscitation and First Aid Council.

Article contributed by Mr Eric Lee, Singapore Heart Foundation’s Volunteer Principal Chief Instructor and Basic Cardiac Life Support, Cardiopulmonary Resuscitation and Automated External Defibrillator Training Consultant

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