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Anisotropic Cardiac Conduction
Author(s): Irum D Kotadia , John Whitaker , Caroline H Roney , et al Added: 3 years ago

Electrophysiology & Arrhythmia
Anisotropic Conduction and Re-entry in the Heart
Author(s): Demosthenes G Katritsis Added: 3 years ago

Electrophysiology & Arrhythmia
Author(s): Stylianos Tzeis , Dimitrios Asvestas , Panos Vardas Added: 3 years ago
AF is the most common cardiac arrhythmia with a complex and multifactorial pathophysiological background. In their seminal publication, Haissaguerre et al. shed light on the role of rapidly firing pulmonary vein sources in the initiation of AF paroxysms.1 Apart from the role of pulmonary vein-triggering foci, underlying electrical and structural remodelling also contributes to the onset and… View more

Electrophysiology & Arrhythmia
Author(s): Marius Andronache , Nikola Drca , Graziana Viola Added: 3 years ago
AF is the most common sustained cardiac arrhythmia in clinical practice. It is associated with increased risk of stroke and heart failure (HF), and is a significant global health challenge.1 Catheter ablation procedures, which isolate the pulmonary veins (PV) from the left atrium and prevent AF initiation, are effective and safe treatment options, and have emerged as the preferred rhythm control… View more

Electrophysiology & Arrhythmia
Value of Sinus Rhythm Mapping
Author(s): Mathijs S van Schie , Natasja MS de Groot Added: 1 year ago

Electrophysiology & Arrhythmia
Author(s): Jonathan W Waks , Mark E Josephson Added: 3 years ago
Atrial fibrillation (AF), the most common sustained arrhythmia, is a leading cause of stroke, and is associated with significant morbidity and mortality worldwide. Despite its frequency, clinical importance, and advances in technology and our knowledge of the molecular, ionic and physiological fundamentals of cardiac electrophysiology, our limited understanding of the mechanisms that initiate and… View more

Electrophysiology & Arrhythmia
A Case-based Review of the PENTARAY™ Catheter
Author(s): Marius Andronache , Nikola Drca , Graziana Viola Added: 4 years ago

Electrophysiology & Arrhythmia
Limitations in Mapping Ventricular Tachycardia
Author(s): Adam J Graham , Michele Orini , Pier D Lambiase Added: 3 years ago
Recurrent episodes of ventricular tachycardia (VT) in patients with structural heart disease are associated with increased mortality and morbidity, despite the life-saving benefits of implantable cardiac defibrillators (ICDs).1,2 Because ICD therapies are abortive and do not alter the underlying arrhythmogenic substrate, their reduction becomes important, especially as recurrent shocks can cause… View more

Electrophysiology & Arrhythmia
Challenges Associated with Interpreting Mechanisms of AF
Author(s): Caroline H Roney , Andrew L Wit , Nicholas S Peters Added: 3 years ago
Determining optimal treatment strategies for complex arrhythmogenesis in AF is confounded by the lack of consensus on the mechanisms causing AF. Fundamental to defining arrhythmogenic mechanisms of AF are the distinctions and interplay between functional features (determined by the electrophysiology of a cell) and structural features (determined by whether a structural or anatomical feature is… View more

Electrophysiology & Arrhythmia
Ripple Map of Counterclockwise typical Right Atrial Flutter
Author(s): George D Katritsis , Vishal Luther , Prapa Kanagaratnam , et al Added: 3 years ago
The introduction of cardiac electroanatomic mapping systems in the mid-1990s has permitted investigators to record intracardiac electrograms (EGMs) with accurate spatial localisation in 3D.1 These 3D mapping systems have enabled the display of the cardiac chambers as an anatomical shell upon which voltage, or activation, information can be displayed. Most commonly, colour is used to represent the… View more

Electrophysiology & Arrhythmia