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Automated External Defibrillators
Automated External Defibrillators (AEDs) are devices that are used to deliver the shocks to correct ventricular fibrillation. During ventricular fibrillation there is no effective pumping function of heart leading to lack of blood supply and oxygen to brain, heart itself and other organs. This device can save lives if made available within 4 to 7 minutes of the onset of ventricular fibrillation as untreated ventricular fibrillation leads to death within minutes.
HOW IT WORKS
An AED consists of a small computer (microprocessor), electrical circuitry, and adhesive electrode pads. The electrodes collect information about the heart's rhythm and the microprocessor interprets the rhythm. If the heart is in ventricular fibrillation, the microprocessor recommends a defibrillating shock. The shock is delivered by way of the electrode pads, through the victim's chest wall, and into the heart. The shock stuns the heart momentarily, stopping all activity. This gives the heart a chance to restart normal electrical activity and resume beating effectively.
NOT MUCH TRAINING REQUIRED
These machines have voice prompts to easily assist a novice at successfully using the device. It is important for bystanders who witness the collapse of an SCA victim to act quickly.
AED IS EXTREMELY SAFE
If a person does not need the shock of an AED, the machine will not deliver a shock. It is not possible to hurt someone with an AED; they can only be used to save someone’s life.
Copyright ©Dr Rohit Walia.