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Smart Wristband Detects Cardiac Arrest with 92% Accuracy in Study

A smart-technology wristband detected cardiac arrest with 92% accuracy in a study published in Circulation: Arrhythmia and Electrophysiology. The DETECT-1b study validates an algorithm for real-world use, potentially saving lives by alerting emergency services.

This news matters because out-of-hospital cardiac arrest is a leading cause of death, often occurring without witnesses. A smart wristband that automatically detects arrest and alerts emergency services could dramatically reduce response times, potentially saving thousands of lives each year. For individuals with heart conditions, this technology offers a new layer of safety, turning everyday wearables into life-saving devices. The study's high accuracy and low false-alarm rate suggest that such devices could soon become standard tools for at-risk patients, bridging the gap between medical emergencies and immediate care.