March 11, 2025 2 min read
Sudden cardiac arrest (SCA) is a leading cause of death worldwide, often striking without warning. While waiting for emergency responders, every second counts, and having an Automated External Defibrillator (AED) at home could mean the difference between life and death.
AEDs are for Sudden Cardiac Arrest (SCA), Not Heart Attack
An AED is only for Sudden Cardiac Arrest (SCA), not heart attacks. SCA is an electrical problem where the heart stops beating effectively, and an AED can restore a normal rhythm.
A heart attack, on the other hand, is a circulation problem caused by a blocked artery, and the heart usually keeps beating. Since AEDs only work on shockable rhythms (like VF or VT), they won’t help a heart attack unless it leads to SCA.
When SCA occurs, the heart suddenly stops beating effectively. Without rapid intervention, survival rates drop by 7-10% for every minute that passes without defibrillation. Given that emergency response times can vary, having an AED at home can significantly improve the chances of survival for a loved one.
Modern AEDs are designed to be used by anyone, regardless of medical training. They provide clear voice instructions and guide users through the process of delivering a potentially life-saving shock. Many models even analyse heart rhythms automatically and determine if defibrillation is necessary.
It is important to recognise that the risk of SCA increases with age due to factors like heart disease, weakened heart function, and electrical instability. Conditions such as coronary artery disease, heart failure, and arrhythmias become more common, making older adults more vulnerable.
Other age-related issues, including high blood pressure, diabetes, and certain medications, can further increase the risk. Since SCA often occurs suddenly, regular heart check-ups, a healthy lifestyle, and even having an AED at home can be lifesaving for older individuals.
An AED is a small investment in safety that could save a life. While we hope to never need it, being prepared ensures that you can take immediate action in a critical moment.
By having an AED at home, you are empowering yourself to act decisively and potentially save a loved one’s life. It’s a precaution worth considering for any household.
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