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Related Concept Videos

Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

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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.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
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Dysrhythmias II: Classification of Tachyarrhythmias01:28

Dysrhythmias II: Classification of Tachyarrhythmias

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Tachyarrhythmias are a type of dysrhythmia where the heart rate exceeds 100 beats per minute. Here are some common types of tachyarrhythmias:Sinus TachycardiaSinus tachycardia originates from increased impulses from the sinus node, leading to an elevated heart rate. It is often triggered by stress, fever, or exercise.Patients may experience palpitations, a sensation of a racing heart, dizziness, and chest discomfort.Causes and Risk Factors: Common causes include physical exertion, emotional...
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Mechanism of Cardiac Arrhythmias01:28

Mechanism of Cardiac Arrhythmias

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Arrhythmias are irregular heart rhythms occurring when the heart's electrical impulses become abnormal. These disturbances can lead to various symptoms, depending on their severity and the underlying cause. Some common factors contributing to arrhythmias include hypoxia, ischemia, electrolyte imbalances, excessive catecholamine exposure, drug toxicity, and muscle overstretching. Arrhythmias can be classified into two main types based on the rate and site of origin of abnormal heart rhythms.
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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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ECG Interpretation of Arrhythmias I: Sinus Arrhythmias01:16

ECG Interpretation of Arrhythmias I: Sinus Arrhythmias

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Arrhythmias are disturbances in the heart's rhythm that lead to abnormal heartbeats. These irregularities can originate from different parts of the heart and are classified based on their origin and nature.
Types of Arrhythmias
Sinus Node Arrhythmias
Sinus Bradycardia: Originating from the sinoatrial (SA) node, sinus bradycardia involves slower impulses, resulting in a heart rate of less than 60 beats per minute (bpm). Causes include sleep, vagal stimulation, beta-blockers, hypothyroidism,...
483
Dysrhythmias V: Evaluating Dysrhythmias01:30

Dysrhythmias V: Evaluating Dysrhythmias

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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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Analyzing Long-Term Electrocardiography Recordings to Detect Arrhythmias in Mice
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Classification of Arrhythmia in Heartbeat Detection Using Deep Learning.

Wusat Ullah1, Imran Siddique2, Rana Muhammad Zulqarnain3

  • 1Department of Computer Science, Lahore Leads University, Lahore, Pakistan.

Computational Intelligence and Neuroscience
|October 29, 2021
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Summary

This study demonstrates deep learning models for arrhythmia classification using ECG data. The CNN+LSTM model achieved 99.3% accuracy, highlighting its potential in cardiac diagnostics.

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Area of Science:

  • Cardiology
  • Artificial Intelligence
  • Biomedical Engineering

Background:

  • Electrocardiogram (ECG) is a vital diagnostic tool in healthcare.
  • Deep learning shows significant potential for analyzing ECG data and predicting health outcomes.
  • Arrhythmia detection remains a critical challenge in cardiovascular medicine.

Purpose of the Study:

  • To apply and evaluate deep learning techniques for classifying cardiac arrhythmia using public ECG datasets.
  • To compare the performance of Convolutional Neural Network (CNN), CNN+Long Short-Term Memory (LSTM), and CNN+LSTM+Attention models in arrhythmia classification.

Main Methods:

  • Utilized two public ECG datasets: MIT-BIH Arrhythmia Database and PTB Diagnostic ECG Database.
  • Implemented and compared three deep learning architectures: CNN, CNN+LSTM, and CNN+LSTM+Attention.
  • Trained models on 80% of the data and tested on the remaining 20%.

Main Results:

  • The CNN model achieved an accuracy of 99.12%.
  • The CNN+LSTM model demonstrated a high accuracy of 99.3%.
  • The CNN+LSTM+Attention model reached an accuracy of 99.29%.

Conclusions:

  • Deep learning models, particularly CNN+LSTM, show excellent performance in classifying arrhythmia from ECG data.
  • These findings suggest the utility of advanced AI techniques for improving the accuracy and efficiency of cardiac arrhythmia diagnosis.