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Ablation of Arrhythmias in Patients with Adult Congenital Heart Disease
… thanks to the improved outcome of surgical techniques. Re-entrant circuits around areas of scarring and natural … patient population are atrial in origin, usually involving macro re-entrant circuits around areas of scarring and …
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Atrial Flutter, Typical and Atypical: A Review
… have defined multiple mechanisms of tachycardia, both re-entrant and focal, with varying ECG morphologies and rates, … of atrial fibrillation or showing atypical ECG patterns, macro-re-entrant and focal tachycardia mechanisms can be very …
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Atrial Tachycardias and Atypical Atrial Flutters: Mechanisms and Approaches to Ablation
… the valve annuli, crista terminalis and pulmonary veins. Macro-reentrant ATs occur in the setting of atrial fibrosis, … time and diastolic intervals to separate focal from macro-re-entrant atrial tachycardias. J Am Coll Cardiol …
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Arrhythmias from the Right Ventricular Moderator Band: Diagnosis and Management
… including enhanced automaticity, triggered activity and re-entry. 16 In the genesis of PVCs, triggered activity is … to surrounding myocardium and were able to demonstrate macro-re-entry between the RV free wall and the interventricular septum. 15 Whether such a macro-re-entrant mechanism is operative in the clinical arrhythmias …
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Drivers of Atrial Fibrillation: Theoretical Considerations and Practical Concerns
… Text Figures & Tables References Article Drivers of Atrial Fibrillation: Theoretical Considerations and Practical … hope of identifying targets for catheter ablation therapy. Re-entry as a Mechanism Underlying AF While watching the … sustain fibrillation. This model also illustrated that re-entrant circuits could be generated without an anatomical …
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Classification, Electrophysiological Features and Therapy of Atrioventricular Nodal Reentrant Tachycardia
… Features and Therapy of Atrioventricular Nodal Reentrant Tachycardia Demosthenes G Katritsis , Mark E Josephson , … term 'fast-slow AVNRT' is rather misleading. Retrograde atrial activation during tachycardia should not be relied … nodal reentrant tachycardia (AVNRT) denotes re-entry in the area of the AV node, and represents the most …
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Executive Summary: European Heart Rhythm Association Consensus Document on the Management of Supraventricular Arrhythmias
… Display full size Table 8: Therapy of Atrial Flutter/ Macro-reentrant Tachycardia Download Display full size Table … 63: 925-9. Crossref | PubMed Salerno DM, Dias VC, Kleiger RE, et al. Efficacy and safety of intravenous diltiazem for … Harris L, Silversides CK, et al. Outcome of intraatrial re-entrant tachycardia catheter ablation in adults with …
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Atrial Fibrosis: Translational Considerations for the Management of AF Patients
… Metrics Article Text Figures & Tables References Article Atrial Fibrosis: Translational Considerations for the … mainly due to enhanced automaticity and anisotropy-related re-entry. The identification and quantification of atrial … or scar may anchor fibrillatory rotors, 6 while re-entrant drivers in persistent AF are confined to specific …
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Remote Navigation for Complex Arrhythmia
… like accessory pathways, 1 atrioventricular nodal re-entrant tachycardias (AVNRTs) 2 and re-entrant or focal tachycardia (of either ventricular or atrial origin) 3-5 in recent years to more complex …
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Arrhythmia Mechanisms Revealed by Ripple Mapping
… mapping techniques, for the diagnosis and management of atrial and ventricular tachyarrhythmias during … show the bar starting to move when the late portion of the re-entrant circuit reaches the isthmus and it will continue to …
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