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Related Concept Videos

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.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
Methods of Documentation VII: EMR01:30

Methods of Documentation VII: EMR

Electronic Medical Records (EMRs) primarily center around electronically documenting patients' health information within a single healthcare organization or practice. They contain essential clinical data related to a patient's medical history, diagnoses, medications, treatment plans, lab results, and other pertinent information relevant to the specific encounter or episode of care. EMRs are designed to streamline documentation and workflow processes within individual healthcare settings,...
Instrumentation Amplifier01:25

Instrumentation Amplifier

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...
Electrocardiogram01:29

Electrocardiogram

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 the T...
Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

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 to...
Holter Monitor: 24-Hour Monitoring01:23

Holter Monitor: 24-Hour Monitoring

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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Related Experiment Video

Updated: Jun 6, 2026

Recording Human Electrocorticographic ECoG Signals for Neuroscientific Research and Real-time Functional Cortical Mapping
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Technical article: Overview of hospital-based data capture systems that acquire continuous ECG and physiologic data.

Michele M Pelter1, Priya A Prasad2, David W Mortara3

  • 1Department of Physiological Nursing, University of California San Francisco School of Nursing, California, USA.

Journal of Electrocardiology
|August 23, 2024
PubMed
Summary

This study details two data capture systems for continuous hospital electrocardiographic (ECG) and vital signs monitoring. These systems aid research into nurse alarm fatigue by collecting high-quality patient data.

Keywords:
Data capture systemData collectionECG monitoringIntensive care unitPhysiologic monitoringResearch methodsTechnical aspects of research

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Area of Science:

  • Biomedical Engineering
  • Clinical Informatics
  • Nursing Research

Background:

  • Continuous hospital data capture, including electrocardiographic (ECG) and vital signs, supports large-scale research.
  • Effective data acquisition requires human oversight to ensure accuracy and quality.
  • Alarm fatigue in nurses is a significant issue linked to frequent false alarms.

Purpose of the Study:

  • To describe two novel data capture systems developed for research.
  • To investigate the causes and impact of false alarms contributing to alarm fatigue.
  • To detail the systems' development, features, and applications in research and clinical settings.

Main Methods:

  • Development of two distinct data capture systems for continuous physiological monitoring.
  • Focus on electrocardiographic (ECG) and vital signs data acquisition.
  • System design considerations for accuracy, quality, and research application.

Main Results:

  • The article outlines the history and development of the data capture systems.
  • Advantages, challenges, and critical considerations for system implementation are discussed.
  • The systems' utility in both research and clinical care is examined.

Conclusions:

  • The described data capture systems offer robust solutions for collecting continuous hospital data.
  • These systems are valuable tools for researching alarm fatigue and improving patient safety.
  • Future developments aim to enhance system capabilities for clinical and research applications.