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相关概念视频

Electrocardiogram01:29

Electrocardiogram

2.4K
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...
2.4K
ECG Interpretation of Rhythms01:24

ECG Interpretation of Rhythms

1.1K
An electrocardiogram (ECG)graphically represents the heart's electrical activity on ECG paper or a monitor.
Components of the Electrocardiogram
The primary components of a normal ECG waveform in Normal sinus rhythm(NSR) include the P wave, PR interval, QRS complex, ST segment, T wave, and occasionally a U wave.
ECG waveforms are divided by vertical and horizontal lines at standard intervals.
The horizontal axis measures time and rate, and the vertical axis measures amplitude or voltage....
1.1K
Pulse rhythm01:30

Pulse rhythm

812
Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
812
Holter Monitor: 24-Hour Monitoring01:23

Holter Monitor: 24-Hour Monitoring

22
Holter monitoring is a continuous electrocardiography (ECG) recording that tracks the heart's electrical activity over an extended period, generally 24 to 48 hours. This noninvasive diagnostic tool detects irregular heart rhythms that may not be captured during a standard ECG performed in a clinical setting.DeviceThe Holter monitor is a portable, small device connected to several electrodes on the patient's chest. These electrodes detect the heart's electrical signals and transmit them to the...
22

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相关实验视频

Updated: Jul 11, 2025

Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver
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Software for Analysis of Heart Rate and Blood Pressure Time-series Data from the Valsalva Maneuver

Published on: June 27, 2025

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快速抛物线配合:可穿戴心电图设备的R峰检测算法

Ramón A Félix1, Alberto Ochoa-Brust1, Walter Mata-López1

  • 1Facultad de Ingeniería Mecánica y Eléctrica, Universidad de Colima, Colima 28400, Mexico.

Sensors (Basel, Switzerland)
|November 14, 2023
PubMed
概括
此摘要是机器生成的。

一个新的心电图 (ECG) 分析算法为可穿戴设备提供了强大的R峰检测. 这种方法提供了准确的心率监测与低计算需求,改善早期心脏病诊断.

关键词:
在R-峰检测检测.快速的抛物线配件配件可穿戴式心电图设备.

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Author Spotlight: Advancing the Study of Brain-Heart Interplay with a Comprehensive EEGLAB Plugin for Multimodal Signal Analysis
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Author Spotlight: Advancing the Study of Brain-Heart Interplay with a Comprehensive EEGLAB Plugin for Multimodal Signal Analysis

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Real-Time Electrocardiogram Monitoring During Treadmill Training in Mice
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相关实验视频

Last Updated: Jul 11, 2025

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Published on: June 27, 2025

123
Author Spotlight: Advancing the Study of Brain-Heart Interplay with a Comprehensive EEGLAB Plugin for Multimodal Signal Analysis
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Real-Time Electrocardiogram Monitoring During Treadmill Training in Mice

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科学领域:

  • 生物医学工程 生物医学工程
  • 心脏病学 心脏病学
  • 信号处理 信号处理

背景情况:

  • 心脏病是全球领先的健康问题,需要早期检测和持续监测.
  • 可穿戴式心电图 (ECG) 设备需要低功耗和内存足迹的算法来长时间使用.
  • 精确的R峰检测对于分析心电图信号和确定心跳间隔至关重要.

研究的目的:

  • 开发一种新的,计算效率高的算法,用于在心电图信号中检测R峰值.
  • 提高可穿戴设备的电图分析的稳定性,特别是在杂的环境中.
  • 在临床和个人健康应用中提供可靠的持续心率监测方法.

主要方法:

  • 一个新的算法将最小方形抛物线与心电图信号相匹配并自适应地塑造它.
  • 消除带通波器以防止R峰平滑并提高检测精度.
  • 使用QT数据库和BIH-MIT数据库进行测试和验证.

主要成果:

  • 拟议的算法在 QT 数据库上表现出高于 Pan-Tompkins 算法的性能.
  • 该算法与QT数据库上的最先进方法相比,显示出具有竞争力的结果.
  • 在BIH-MIT数据库上的性能证实了该算法在临床环境中的实际实用性.

结论:

  • 这种新的算法为可穿戴式心电图设备的R峰检测提供了一个强大的,计算效率高的解决方案.
  • 它在没有精确的隔离电线定位的情况下运行的能力有助于其低复杂性和广泛适用性.
  • 这些发现支持使用该算法来改善早期诊断和持续监测心脏病的情况.