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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...
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...
Dysrhythmias III: Characteristics of Dysrhythmias01:29

Dysrhythmias III: Characteristics of Dysrhythmias

Dysrhythmias, also known as arrhythmias, are irregular heart rhythms that result from abnormal electrical activity in the heart, affecting its ability to circulate blood efficiently. Tachyarrhythmias, a subset of dysrhythmias, are characterized by abnormally fast heart rates exceeding 100 beats per minute. Here are some types of tachyarrhythmias with their distinct ECG features:Sinus Tachycardia:Sinus tachycardia presents a regular heart rhythm with an increased rate of 101-180 beats per minute.
Cardiopulmonary Resuscitation III: AED Use01:23

Cardiopulmonary Resuscitation III: AED Use

Introduction to AEDAn Automated External Defibrillator (AED) is a portable medical device that analyzes the heart's rhythm and, if necessary, delivers an electrical shock to help the heart re-establish an effective rhythm during sudden cardiac arrest (SCA). SCA occurs when the heart suddenly and unexpectedly stops beating, leading to a loss of blood flow to the brain and other vital organs. In such emergencies, time is of the essence, and using an AED, combined with Cardiopulmonary...
Cardiopulmonary Resuscitation IV: Pharmacological Management01:25

Cardiopulmonary Resuscitation IV: Pharmacological Management

Pharmacologic intervention is crucial in treating cardiac arrest patients during ACLS or Advanced Cardiovascular Life Support. The ACLS algorithms guide the administration of specific drugs based on the patient's cardiac arrest rhythm, which includes pulseless ventricular tachycardia (VT), ventricular fibrillation (VF), asystole, and pulseless electrical activity (PEA).EpinephrineIndication: Epinephrine is the first-line drug for all cardiac arrest rhythms.Mechanism of Action: Epinephrine...

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Related Experiment Video

Updated: Jun 14, 2026

Robotic Ablation of Atrial Fibrillation
11:21

Robotic Ablation of Atrial Fibrillation

Published on: May 29, 2015

Pulsed Frequency Ablation: The Game Changer for Atrial Fibrillation.

Jim Banks

    IEEE Pulse
    |June 12, 2026
    PubMed
    Summary

    Pulsed Field Ablation offers a faster, more effective treatment for cardiac arrhythmias like atrial fibrillation. Its successful UK rollout shows promise for reducing patient waiting lists within the National Health Service.

    Area of Science:

    • Cardiology
    • Medical Technology

    Background:

    • Cardiac arrhythmias, including atrial fibrillation, necessitate innovative treatment strategies.
    • Traditional ablation methods face challenges in efficacy and patient throughput.

    Purpose of the Study:

    • To evaluate the impact of Pulsed Field Ablation (PFA) on treating cardiac arrhythmias.
    • To assess the feasibility and effectiveness of PFA implementation in a national healthcare system.

    Main Methods:

    • Observational analysis of PFA adoption in the UK.
    • Review of patient outcomes and waiting list metrics post-PFA implementation.

    Main Results:

    • Pulsed Field Ablation demonstrates significant potential for improving patient outcomes.

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    Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

    Published on: February 26, 2013

    Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology
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    Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology

    Published on: May 26, 2015

    Related Experiment Videos

    Last Updated: Jun 14, 2026

    Robotic Ablation of Atrial Fibrillation
    11:21

    Robotic Ablation of Atrial Fibrillation

    Published on: May 29, 2015

    Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation
    28:13

    Catheter Ablation in Combination With Left Atrial Appendage Closure for Atrial Fibrillation

    Published on: February 26, 2013

    Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology
    10:46

    Non-fluoroscopic Catheter Tracking for Fluoroscopy Reduction in Interventional Electrophysiology

    Published on: May 26, 2015

  • The technology has shown a dramatic effect on reducing waiting lists for cardiac arrhythmia procedures.

    • Conclusions:

    • PFA is a promising advancement in cardiac arrhythmia treatment.
    • Successful UK rollout suggests broader applicability within the National Health Service, improving patient access and care timelines.