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Related Concept Videos

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.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac...
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Electrocardiogram01:29

Electrocardiogram

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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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Holter Monitor: 24-Hour Monitoring01:23

Holter Monitor: 24-Hour Monitoring

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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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Instrumentation Amplifier01:25

Instrumentation Amplifier

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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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Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

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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...
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ECG Interpretation of Rhythms01:24

ECG Interpretation of Rhythms

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An electrocardiogram (ECG)graphically represents the heart's electrical activity on ECG paper or a monitor.
Components of the Electrocardiogram
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ECG waveforms are divided by vertical and horizontal lines at standard intervals.
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Updated: Aug 8, 2025

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
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Signal Quality Analysis for Long-Term ECG Monitoring Using a Health Patch in Cardiac Patients.

Israel Campero Jurado1, Ilde Lorato2, John Morales2

  • 1Department of Mathematics and Computer Science, Eindhoven University of Technology, 5612 AZ Eindhoven, The Netherlands.

Sensors (Basel, Switzerland)
|February 28, 2023
PubMed
Summary
This summary is machine-generated.

This study assessed the long-term signal quality of novel ECG monitoring patches for cardiovascular disease (CVD) and atrial fibrillation (AF) detection. Results indicate consistent performance over five days, with better quality during rest periods, suggesting utility in real-world diagnostics.

Keywords:
continuous monitoringdry electrodeselectrocardiographyhealth patchlifestylesignal quality

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Area of Science:

  • Biomedical Engineering
  • Cardiology
  • Digital Health

Background:

  • Cardiovascular diseases (CVD), including atrial fibrillation (AF), pose a significant global health challenge.
  • Timely diagnosis of CVD is crucial for effective treatment and reducing healthcare burdens.
  • Ambulatory electrocardiogram (ECG) monitoring patches offer a promising approach for continuous patient assessment.

Purpose of the Study:

  • To evaluate the long-term signal quality of a novel single-lead ECG monitoring patch.
  • To investigate potential signal quality degradation over a 5-day monitoring period.
  • To assess the impact of daily variations and patient activity on ECG signal integrity for CVD and AF detection.

Main Methods:

  • Analysis of ECG signal quality from six cardiac patients using a self-adhesive dry electrode ECG patch over five days.
  • Quantification of signal quality metrics and assessment of daily variations.
  • Correlation of signal quality with patient activity levels, particularly distinguishing between day and night recordings.

Main Results:

  • The single-lead ECG patch demonstrated consistent signal quality over the 5-day monitoring period.
  • While daily variations in ECG quality were observed, they were not statistically significant.
  • Higher signal quality was recorded during nighttime monitoring, indicating a reduction in motion artifacts.

Conclusions:

  • The studied ECG monitoring patch technology shows potential for reliable, long-term ambulatory cardiac monitoring.
  • Findings support the use of such patches for improved cardiovascular disease diagnosis and atrial fibrillation detection in real-world settings.
  • Understanding the influence of motion artifacts on signal quality can refine diagnostic algorithms for wearable ECG devices.