HeartSearcher: finds patients with similar arrhythmias based on heartbeat classification

Juyoung Park1, Kyungtae Kang2

  • 1Department of Computer Science and Engineering, Hanyang University, Ansan, Republic of Korea.

IET Systems Biology
|November 19, 2015
PubMed

Insights

HeartSearcher aids clinical decisions by identifying patients with similar arrhythmias using regular expressions to summarize heartbeat patterns. This method significantly reduces data volume, improving arrhythmia analysis from long-term electrocardiogram data.

Area of Science:

  • Biomedical Engineering
  • Cardiology
  • Data Science

Background:

  • Long-term electrocardiogram (ECG) monitoring via mobile-linked Holter devices is common.
  • Current systems primarily focus on arrhythmia detection, lacking clinical decision support.
  • Efficient analysis of extensive ECG data remains a challenge.

Purpose of the Study:

  • To develop a novel method for supporting clinical decisions in arrhythmia analysis.
  • To identify patients with similar arrhythmias by comparing heartbeat patterns.
  • To reduce the computational burden of analyzing large ECG datasets.

Main Methods:

  • Summarizing typical heartbeat patterns into regular expressions for each patient.
  • Ranking patients based on the similarity of their regular expression patterns.
  • Utilizing the MIT-BIH arrhythmia database for validation.

Main Results:

  • HeartSearcher successfully identifies patients with similar arrhythmias.
  • The regular expression abstraction reduces heartbeat classification data volume by an average of 98%.
  • Demonstrated potential for enhanced clinical decision-making.

Conclusions:

  • HeartSearcher offers a significant advancement in analyzing long-term ECG data for arrhythmias.
  • The pattern summarization technique drastically reduces data complexity.
  • This approach holds great promise for improving clinical support systems in cardiology.

Related Concept Videos

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...
471
Disturbances in Heart Rhythm01:29

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.
Arrhythmias are categorized by their speed, rhythm, and origin. A slow heart...
3.6K
Dysrhythmias II: Classification of Tachyarrhythmias01:28

Dysrhythmias II: Classification of Tachyarrhythmias

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...
770
Mechanism of Cardiac Arrhythmias01:28

Mechanism of Cardiac Arrhythmias

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.
2.6K
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...
1.6K
ECG Interpretation of Arrhythmias I: Sinus Arrhythmias01:16

ECG Interpretation of Arrhythmias I: Sinus Arrhythmias

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,...
1.1K