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Related Concept Videos

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...
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.
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...
Dysrhythmias VI: Management of Dysrhythmias01:25

Dysrhythmias VI: Management of Dysrhythmias

Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
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...
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...

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Related Experiment Video

Updated: Jun 26, 2026

Analyzing Long-Term Electrocardiography Recordings to Detect Arrhythmias in Mice
06:07

Analyzing Long-Term Electrocardiography Recordings to Detect Arrhythmias in Mice

Published on: May 23, 2021

[The application of artificial intelligence in arrhythmology].

Raffaele De Lucia1, Giulio Zucchelli1, Matteo Parollo1

  • 1U.O.C. Cardiologia 2, Dipartimento Cardiotoraco-Vascolare, Azienda Ospedaliero Universitaria Pisana, Pisa.

Giornale Italiano Di Cardiologia (2006)
|June 25, 2026
PubMed
Summary

Artificial intelligence (AI) is revolutionizing cardiology by analyzing complex data for better arrhythmia diagnosis and personalized treatment. This data-intensive approach enhances predictive, preventive, and personalized cardiovascular medicine.

Related Experiment Videos

Last Updated: Jun 26, 2026

Analyzing Long-Term Electrocardiography Recordings to Detect Arrhythmias in Mice
06:07

Analyzing Long-Term Electrocardiography Recordings to Detect Arrhythmias in Mice

Published on: May 23, 2021

Area of Science:

  • Cardiology
  • Artificial Intelligence
  • Digital Health

Background:

  • Evidence-based medicine relies on clinical expertise, patient preferences, and scientific evidence.
  • Artificial intelligence (AI) is transforming healthcare research by analyzing large, heterogeneous datasets.
  • A data-intensive research model is emerging, complementing traditional methods.

Purpose of the Study:

  • To provide an overview of AI integration in arrhythmology.
  • To highlight current evidence, emerging applications, and challenges.
  • To explore AI's potential in advancing cardiovascular medicine.

Main Methods:

  • Analysis of complex electrophysiological signals.
  • Integration of data from implantable devices and cardiac imaging.
  • Development of AI algorithms for pattern recognition in cardiovascular data.

Main Results:

  • AI demonstrates utility in early arrhythmia diagnosis and risk stratification.
  • AI aids in planning catheter ablation and predicting therapy response.
  • AI optimizes remote device monitoring and enables personalized care.

Conclusions:

  • AI facilitates a shift towards predictive, preventive, and personalized cardiovascular medicine.
  • AI tools identify patterns beyond human interpretation for improved clinical decisions.
  • Emerging applications like 'digital twins' promise patient-specific therapeutic simulations.