Detection of cardiovascular risk

By measuring synchronized pulse waveform signals at the ears and arms, and combining electrocardiogram or cardiogram reference signals, the problem of difficulty in early and accurate detection of cardiovascular risks in the prior art is solved, and efficient cardiovascular risk monitoring in the asymptomatic stage is achieved.

CN119768110APending Publication Date: 2025-04-04HUAWEI TECH CO LTD
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Patent Information

Application Number
CN202280099500.8
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2022-08-23
Publication Date
2025-04-04

AI Technical Summary

Technical Problem

The prior art is difficult to detect cardiovascular risks early and accurately, especially in the asymptomatic stage of atherosclerosis, making it difficult to diagnose the disease before the first symptoms appear.

Method used

Cardiology risk is calculated by measuring an electrocardiogram or a cardiac chart as a reference signal and measuring a synchronized pulse waveform signal at the user's ear and arm. The system includes ear-wearing devices and smart devices that measure blood oxygen saturation and pulse waveform using multi-wavelength optical plethysmographic sensors.

Benefits of technology

The ability to detect cardiovascular risk before symptoms appear is achieved, the accuracy and early detection is improved, and the ability to monitor through wearable devices in daily life.

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Abstract

The present invention relates to cardiovascular disease and risk. A system for detecting cardiovascular risk is provided. The present invention relates to a system for acquiring a cardiac reference signal by measuring an electrocardiogram (ECG) or a phonocardiogram (PCG), and a method for acquiring a cardiac reference signal by measuring an electrocardiogram (ECG) or a phonocardiogram (PCG). Further, the system measures a first pulse waveform signal at a first ear of the user, the first pulse waveform signal having a timing clock synchronized with a timing clock of the reference signal, and measures a second pulse waveform signal at a second ear of the user, the second pulse waveform signal having a timing clock synchronized with a timing clock of the reference signal. The second pulse waveform signal is provided with a timing clock, and the timing clock is synchronous with the timing clock of the reference signal. The system measures a third pulse waveform signal at the arm, finger, or wrist of the user, the third pulse waveform signal having a timing clock that is synchronized with the timing clock of the reference signal. The system then calculates the cardiovascular risk of the user from the measured pulse waveform signal and the reference signal.
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