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相关概念视频

Pulse rhythm01:30

Pulse rhythm

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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.
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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...
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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...
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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...
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Construction of a Wireless-Enabled Endoscopically Implantable Sensor for pH Monitoring with Zero-Bias Schottky Diode-based Receiver
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从无线电信号中发现可解释的语义,用于非接触式心脏监测.

Jinbo Chen1, Haoyu Wang2, Guixin Xu2

  • 1College of Computing and Data Science, Nanyang Technological University, Singapore, Singapore.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|March 15, 2026
PubMed
概括
此摘要是机器生成的。

无线电信号提供无接触式心脏监测. 这项研究引入了解释这些信号的语义框架,使得准确的心律监测和心律失常诊断能够在临床中使用.

关键词:
心脏监测是指对心脏进行监测.无线电信号是无线电信号.语义表示表示的语义表示.

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科学领域:

  • 生物医学工程 生物医学工程
  • 信号处理 信号处理
  • 人工智能的人工智能

背景情况:

  • 使用无线电信号的非接触式心脏监测是有希望的,但缺乏临床解释性.
  • 以临床上有意义的方式解释无线电信号动态是采用的障碍.

研究的目的:

  • 为基于无线电的心脏监测开发一个语义表示框架.
  • 为了能够对来自无线电测量的心脏信号进行可解释和临床上有意义的分析.

主要方法:

  • 使用信息瓶公式进行语义表示.
  • 集成的模式内变化压缩和模式间的语义对齐.
  • 将无线电测量转化为结构化的语义空间.

主要成果:

  • 对9518名门诊患者进行了验证,显示与参考语义有很强的对齐.
  • 实现了临床级心律监测,中位数心跳间隔误差为9.4毫秒.
  • 在诊断心房动 (F1=0.929) 和早跳 (F1=0.867) 方面表现出高准确度.

结论:

  • 语义表示是可靠和透明的无线电心脏监测的关键.
  • 拟议的框架允许在日常生活中进行可解释的临床级心脏监测.
  • 这种方法克服了基于无线电的医疗保健技术信号解释方面的局限性.