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Disturbances in Heart Rhythm

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...

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Related Experiment Video

Updated: May 11, 2025

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Benefits of Cardiac Resynchronization Therapy in an Asynchronous Heart Failure Model Induced by Left Bundle Branch Ablation and Rapid Pacing

Published on: December 11, 2017

Left Septal Fascicular Block Following Left Bundle Branch Area Pacing.

Ahmet Lutfu Sertdemir¹, Ahmet Taha Sahin², Andrés Ricardo Pérez-Riera³

¹Department of Cardiology, Necmettin Erbakan University School of Medicine, Konya, Turkey.

The Journal of Innovations in Cardiac Rhythm Management

|April 18, 2025

Summary

Left bundle branch area pacing (LBBAP) can lead to left septal fascicular block (LSFB). This case study highlights new electrocardiographic changes observed after LBBAP, offering insights into trifascicular activation.

Area of Science:

Cardiology
Electrophysiology
Cardiac Pacing

Background:

Left bundle branch area pacing (LBBAP) aims for physiological ventricular activation.

Keywords:

Case report conduction system pacing left bundle branch area pacing left septal fascicular block

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Growing understanding of trifascicular activation and left septal fascicular block (LSFB) is crucial.

Electrocardiographic alterations may arise with LBBAP, especially during arterial occlusions.