Sudden Cardiac Arrest occurs when an electrical malfunction causes the heart to stop beating effectively. This is entirely different from a heart attack, which is a circulation problem. When SCA strikes, blood flow to the brain and vital organs stops instantly.
audio coach explicitly states it is analyzing the rhythm or delivering a life-saving electrical shock. The Future of Community First Aid
The Opnander Medical CPR system carries a purchase price of approximately $18,000 USD per unit, with disposable sternum pads and straps costing $45 per patient use. At first glance, this is expensive compared to "free" manual CPR.