People often confuse
Sudden Cardiac Arrest (SCA) with Heart Attack. But while both can be deadly,
the two heart problems are entirely different.
A Sudden Cardiac Arrest (SCA) occurs when the heart
malfunctions and stops beating unexpectedly. It is triggered by an electrical
malfunction in the heart that causes an irregular heartbeat (arrhythmia). With
its pumping action disrupted, the heart cannot pump blood to the brain, lungs
or other organs. When a Sudden Cardiac Arrest occurs, the victim becomes
unresponsive or unconscious and displaying no other signs of life such as breathing
or movement. Death can occur within minutes is the victim does not receive
an emergency first aid response, specifically cardiopulmonary
resuscitation (CPR).
If you see someone having a
cardiac arrest, you need to act quickly as they will only have a chance of
surviving if they receive life saving first aid immediately.
You need to call for help and
give immediate CPR (cardiopulmonary resuscitation) as soon as possible.
You
should also ask any bystanders to find a defibrillator (an automated
external defibrillator – AED for short), which restarts the heart by giving an
electric shock. Lots of public places have them, including shopping centers,
train stations, airports, offices and schools.
What to look out for
There are three signs that someone
has had a cardiac arrest:
- Sudden loss of consciousness
- No breathing
- No movement or other signs of life
What you need to do
Call your local emergency number straight away for medical help or ask a bystander to do it, so that you can start doing CPR sooner. Make sure you communicate with a specific person, so that no time is lost while people hesitate.
If there is a defibrillator, grab the AED or ask a specific person to get it for you and switch it on. It will then give you a series of visual and verbal prompts or instructions which you should follow until the ambulance arrives.
If there isn’t a defibrillator, you need to start CPR straight away and carry on
until:
- Emergency help arrives and takes over
- The person starts showing signs of life and starts to breathe normally, or
- You are too exhausted to continue, someone else can take over from you.
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