This invention describes a continuously wearable device that monitors a person's health by placing at least two pulse wave sensors on different arterial sites. It learns a person's normal pulse patterns and then uses this baseline to detect sudden changes that could indicate a stroke or other health issues, triggering an alarm.
Why it matters: Embedded processing power and machine learning algorithms for pattern recognition have advanced significantly since 2013, making on-device, real-time analysis for continuous monitoring more feasible and accurate.
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