使用Zephletlet在不同EMG强度级别的上臂高密度EMG电极检测心跳
Nargess Heydari Beni1, Ning Jiang2
1Department of Systems Design Engineering, University of Waterloo, Waterloo, ON, Canada.
Computer methods and programs in biomedicine
|October 20, 2023
概括
这项研究提出了一种新的方法,用于使用上臂心电图 (ECG) 信号来准确检测心跳. 开发的技术实现了高F1分数,为改进可穿戴心脏监测铺平了道路.
科学领域:
- 生物医学工程 生物医学工程
- 心血管技术的心血管技术
- 信号处理 信号处理
背景情况:
- 心律不整导致全球可预防的死亡.
- 可穿戴设备为早期检测提供持续的心电图 (ECG) 监测.
- 目前的研究重点是身体表面ECG,但手臂上部监测的研究较少.
研究的目的:
- 开发和验证一种使用手臂上部ECG信号检测心跳的方法.
- 为了在各种条件下确定手臂上方的最佳电极放置.
- 评估在不同肌肉收缩水平下开发方法的性能.
主要方法:
- 在休息和肘部曲 (EF) 条件下,确定了手臂上部的最佳电极位置.
- 通过使用选定的电极和通用权重生成合成的心电图信号.
- 使用零相波 (Zephlet) 进行特征提取,然后使用多剂检测方案 (MDS) 进行心跳检测.
主要成果:
- 心跳检测的F1评分在休息时达到0.94±0.16并且随着肌肉收缩水平的增加而下降.
- 性能随肌肉收缩而变化,F1分数从0.94 (休息) 到0.67±0.31 (C3) 之间.
- 将检测耐受度从50毫秒降低到20毫秒影响了F1得分,为休息值提供0.81 ± 0.20,为C3.0提供0.44 ± 0.26.
结论:
- 在不同的肌肉收缩水平下,在上臂上实现了精确和一致的电极定位.
- 一种准确的心跳检测方法被开发和验证为上臂心电图信号.
- 这些发现有助于推进心脏监测的可穿戴技术,特别是在非理想的条件下.
相关概念视频
01:28Electrocardiogram Fundamentals
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Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin...
614
01:29Electrocardiogram
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An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and...
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01:30Pulse rhythm
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Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
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