Publication

Modeling Atrial Pacing

Jean-Marc Vesin
2013
Conference Papers

Abstract

We present a model-based study of therapeutical approaches to atrial fibrillation with a focus on pacing. After a systematic evaluation of different atrial pacing sites, we selected pacing from the septum area and designed a novel septum pacing protocol for atrial fibrillation termination. We then evaluated the performance of septum pacing in different models of atrial fibrillation and investigated the effect atrial substrate (cellular properties, anisotropy and heterogeneities) on the ability to capture during pacing. This study highlight the need for the development of patient-specific algorithms for atrial therapies.

Official source

https://infoscience.epfl.ch/entities/publication/6ad3f7cb-cc06-4f64-bbdf-7f563abe0116

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Jean-Marc Vesin
2013
Conference Papers

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/6ad3f7cb-cc06-4f64-bbdf-7f563abe0116

About this result

Related concepts (32)

Artificial cardiac pacemaker

An artificial cardiac pacemaker (artificial pacemaker, and sometimes just pacemaker, although the term is also used to refer to the body's natural cardiac pacemaker) is a medical device, nowadays always implanted, that generates electrical pulses delivered by electrodes to one or more of the chambers of the heart, the upper atria or lower ventricles. Each pulse causes the targeted chamber(s) to contract and pump blood, thus regulating the function of the electrical conduction system of the heart.

Atrial fibrillation

Atrial fibrillation (AF or A-fib) is an abnormal heart rhythm (arrhythmia) characterized by rapid and irregular beating of the atrial chambers of the heart. It often begins as short periods of abnormal beating, which become longer or continuous over time. It may also start as other forms of arrhythmia such as atrial flutter that then transform into AF. Episodes can be asymptomatic. Symptomatic episodes may involve heart palpitations, fainting, lightheadedness, shortness of breath, or chest pain.

Catheter ablation

Catheter ablation is a procedure that uses radio-frequency energy or other sources to terminate or modify a faulty electrical pathway from sections of the heart of those who are prone to developing cardiac arrhythmias such as atrial fibrillation, atrial flutter and Wolff-Parkinson-White syndrome. If not controlled, such arrhythmias increase the risk of ventricular fibrillation and sudden cardiac arrest. The ablation procedure can be classified by energy source: radiofrequency ablation and cryoablation.

Related publications (6)

Modeling Atrial Pacing

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Experimental Testing of AF Septal Modeling Results

Study of the impact of electrical heterogeneities in the right and left atrium on atrial fibrillation perpetuation

Divergent patterns of atrial ECG organization during catheter ablation of persistent atrial fibrillation revealed by adaptive harmonic frequency schemes