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相关概念视频

Electrocardiogram01:29

Electrocardiogram

2.3K
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...
2.3K
Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

581
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...
581
Pulse rhythm01:30

Pulse rhythm

796
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...
796
Exercise Stress Test01:26

Exercise Stress Test

203
Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
203

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相关实验视频

Updated: Jun 30, 2025

Patient Directed Recording of a Bipolar Three-Lead Electrocardiogram using a Smartwatch with ECG Function
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以人工智能为基础的孕前检测和预测,使用心电图数据进行预测.

Liam Butler1, Fatma Gunturkun2, Lokesh Chinthala3

  • 1Department of Internal Medicine, Section on Cardiovascular Medicine, Wake Forest University School of Medicine, Winston-Salem, NC, United States.

Frontiers in cardiovascular medicine
|March 19, 2024
PubMed
概括

人工智能模型可以使用心电图 (ECG) 检测子宫前. 这种人工智能方法为早期诊断提供了高准确度,并改善了怀孕高血压疾病的结果.

关键词:
的 AUC AUC 的 AUC.这是ECG-AI.检测 检测 检测 检测 检测电心电图 (ECG) 是一种心电图.怀孕年龄 怀孕年龄预测 预测 预测 预测孕前症是什么意思验证验证的时间

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Preterm EEG: A Multimodal Neurophysiological Protocol
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Preterm EEG: A Multimodal Neurophysiological Protocol

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相关实验视频

Last Updated: Jun 30, 2025

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05:03

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科学领域:

  • 心脏病学 心脏病学
  • 孕产妇和胎儿医学 孕产妇和胎儿医学
  • 医疗保健中的人工智能

背景情况:

  • 妊娠的高血压疾病,包括妊娠前症,每年导致超过76,000名孕产妇死亡.
  • 早期检测和治疗妊娠前对于改善母亲和胎儿的结果至关重要.
  • 当前的诊断方法可能并不总是允许及时干预.

研究的目的:

  • 开发和验证人工智能 (AI) 模型,用于早期检测和预测子宫前.
  • 评估使用心电图 (ECG) 数据在护理场所诊断产前的可行性.
  • 评估AI模型在临床诊断前的不同时间点的预测准确度.

主要方法:

  • 经过修改的ResNet卷积神经网络被用来分析12导电心电图信号.
  • 电脑心电图数据来源于两个大型医疗保健系统,其中一个队列用于培训和验证.
  • 在1D原始心电图信号上训练模型,并在诊断前30,60和90天测试预测准确性.

主要成果:

  • 人工智能模型实现了高交叉验证的AUC,包括0.85对持久数据和0.81对外部医疗保健系统数据集.
  • 在不同的时间窗口中,预测准确度仍然很高,AUC分别在诊断前30,60和90天为0.92,0.89和0.90.
  • 该模型在早期出现的妊娠前方面表现出色,AUC为0.98.

结论:

  • 应用在心电图数据上的人工智能可以准确地识别子宫前.
  • 人工智能驱动的心电图分析具有显著的潜力,可以改善产前的早期诊断和管理.
  • 这项技术可以提高护理点诊断,从而改善母亲和婴儿的健康结果.