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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...
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...
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...
ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias01:25

ECG Interpretation of Arrhythmias II: Atrial, Junctional and Ventricular Arrhythmias

Arrhythmia is a condition characterized by an irregular heart rhythm, with ECG changes that differ based on its origin and nature. The types of arrhythmias discussed below include atrial, junctional, and ventricular arrhythmias.Atrial ArrhythmiasPremature Atrial Complexes (PACs): PACs are early atrial beats caused by stress, caffeine, alcohol, electrolyte imbalances, hypoxia, hyperthyroidism, or certain medications (e.g., bronchodilators and decongestants). The ECG shows early P waves with an...
Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

Dysrhythmias, also known as arrhythmias, are disturbances in the heart's rhythm that range from benign to life-threatening. A thorough evaluation is crucial for appropriate management and involves a comprehensive medical history, physical examination, and various diagnostic tests.Medical HistorySymptoms: Collect detailed information on palpitations, dizziness, syncope, chest pain, and fatigue. Note their onset, frequency, and triggers.Previous Cardiac Issues: Document any history of heart...

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Real-Time Cardiac Mapping with a Noninvasive Imageless Electrocardiographic Imaging System
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Trigger learning and ECG parameter customization for remote cardiac clinical care information system.

Mohamed Ezzeldin A Bashir1, Dong Gyu Lee, Meijing Li

  • 1Database/Bioinformatics Laboratory, School of Electrical and Computer Engineering, Chungbuk National University, Cheongju, Korea. mohamed@dblab.chungbuk.ac.kr

IEEE Transactions on Information Technology in Biomedicine : a Publication of the IEEE Engineering in Medicine and Biology Society
|March 1, 2012
PubMed
Summary
This summary is machine-generated.

This study introduces adaptive learning and feature selection for cardiac arrhythmia diagnosis using electrocardiogram (ECG) data. This intelligent tool improves accuracy in remote patient monitoring, addressing challenges in data variability and computational limits.

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Area of Science:

  • Cardiology
  • Biomedical Engineering
  • Artificial Intelligence in Medicine

Background:

  • Coronary heart disease is a leading global cause of mortality.
  • Cardiac clinical information systems aim to improve arrhythmia diagnosis via electronic data processing.
  • Remote monitoring of patients with cardiac conditions presents challenges due to ECG variability and computational constraints.

Purpose of the Study:

  • To develop an intelligent diagnostic tool for cardiac arrhythmias.
  • To address the challenges of time-varying ECG data and computational limitations in remote monitoring.
  • To enhance the accuracy and efficiency of arrhythmia classification.

Main Methods:

  • Proposed adaptive learning for continuous classifier training on current ECG data.
  • Employed adaptive feature selection to identify unique feature subsets for different arrhythmias.
  • Utilized electronic data processing for a cardiac clinical information system.

Main Results:

  • The hybrid technique demonstrated superior performance compared to conventional methods.
  • Adaptive learning effectively handled intra- and interpatient ECG morphological variations.
  • Adaptive feature selection reduced computational burden while maintaining diagnostic accuracy.

Conclusions:

  • The proposed hybrid technique is a promising intelligent diagnostic tool for cardiac arrhythmias.
  • Adaptive learning and feature selection offer a robust solution for remote patient monitoring systems.
  • This approach enhances the reliability and efficiency of automated cardiac arrhythmia diagnosis.