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心率及其从短期心电图记录中的可变性作为检测轻度认知障碍的潜在生物标志物

Anjo Xavier1, Sneha Noble1, Justin Joseph1

  • 1Centre for Brain Research, Indian Institute of Science, Bengaluru, India.

American journal of Alzheimer's disease and other dementias
|December 17, 2024
PubMed
概括

心率 (HR) 和心率变化 (HRV) 的变化可以检测轻度认知障碍 (MCI). 在MCI和健康个体之间观察到HRV指标的显著差异,机器学习模型实现了高精度.

关键词:
生物标志物 生物标志物认知 认知 认知电心电图 (ECG) 是一种心电图.心率是指心率是如何发生的.心率变化的心率变化.轻度的认知障碍 轻度的认知障碍

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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.
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An electrocardiogram (ECG)graphically represents the heart's electrical activity on ECG paper or a monitor.
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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....
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Pulse rhythm01:30

Pulse rhythm

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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Disturbances in Heart Rhythm

Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
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