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相关概念视频

Electrocardiogram01:29

Electrocardiogram

1.8K
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...
1.8K
Pulse rhythm01:30

Pulse rhythm

734
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...
734
Instrumentation Amplifier01:25

Instrumentation Amplifier

406
An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...
406

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相关实验视频

Updated: May 17, 2025

A Real-Time Wearable Electromyography Measurement System for Small Animals
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动作不受限制的动态心电图系统利用不可察觉的电子设备.

Ding Li1, Tian-Rui Cui1, Jia-Hao Liu2

  • 1School of Integrated Circuit, Tsinghua University, Beijing, China.

Nature communications
|April 5, 2025
PubMed
概括
此摘要是机器生成的。

一个新的运动不受限制的动态心电图 (MU-DCG) 系统使用皮肤符合的电子产品,在运动期间提供舒适,准确的12导监控. 这项创新尽量减少了运动工件,改善了心血管疾病的评估.

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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
  • 可穿戴技术可穿戴技术

背景情况:

  • 电心电图 (ECG) 对心血管疾病 (CVD) 管理至关重要.
  • 目前的动态心电图 (DCG) 设备在患者运动期间难以准确和舒适.
  • 这种限制阻碍了日常心血管风险查,增加了医疗保健成本.

研究的目的:

  • 开发一种运动不受限制的动态心电图 (MU-DCG) 系统,用于准确的长期心脏监测.
  • 为了在日常活动和动态运动期间使舒适和不知不觉的穿着.
  • 为了减少心电图信号中的运动器件,以改善心血管疾病评估.

主要方法:

  • 开发了一个MU-DCG系统,具有皮肤符合的,不可察觉的电子设备.
  • 使用压力激活的柔性皮肤插座连接皮肤上和皮肤外的模块.
  • 集成的大面积,超薄的皮肤上电极/导线和皮肤外分析模块.
  • 进行了盲目的心脏病学家评估,以评估信号质量和运动工件.

主要成果:

  • 该MU-DCG系统提供长期的,舒适的,准确的12DCG监控.
  • 灵活的皮肤插座在动态运动期间确保稳定的连接.
  • 盲目的心脏病学家审查证实了MU-DCG获得信号中的最小运动工件.
  • 该系统展示了反运动干扰采集和现场分析,具有穿着无感觉性.

结论:

  • MU-DCG系统克服了当前DCG设备的局限性,在运动过程中提供了卓越的性能.
  • 这项技术促进了不引人注目的,高准确度的心脏监测,以改善心血管疾病预防和诊断.
  • MU-DCG系统代表着可穿戴心血管监测技术的重大进步.