Rhythm Interventions Online

Rhythm Interventions Online Where innovation meets expertise in EP and cardiac rhythm management.

Rhythm Interventions Online is where innovation meets expertise in the global world of electrophysiology and cardiac rhythm management. At the heart of Rhythm Intervention Online lies a singular objective: to empower you, the healthcare practitioner, in achieving optimal clinical outcomes in electrophysiology and cardiac rhythm management. Join us for an unforgettable journey where knowledge meets innovation and together, let's shape the future of cardiovascular care.

16/09/2026

In this live case, Christian Sohns demonstrates the transition from left- to right-sided pulmonary vein ablation during a streamlined PFA workflow for AF.

Using fluoroscopy and tissue proximity indicator (TPI) feedback, the team assesses catheter positioning and makes adjustments to improve tissue contact before delivering therapy.

The discussion highlights how catheter configuration, electrode overlap and real-time system feedback can influence lesion delivery decisions during pulmonary vein isolation.

This segment provides practical insight into optimising catheter contact and confirming effective energy delivery as part of a streamlined AF ablation procedure.

15/09/2026

In this live case, Christian Sohns demonstrates a streamlined PFA workflow for pulmonary vein isolation using the VARIPULSE platform.

The case focuses on optimising tissue proximity indicator (TPI) feedback, catheter positioning and electrode contact to achieve effective lesion delivery around the pulmonary vein ostia.

Throughout the procedure, the team makes subtle adjustments to catheter orientation and sheath positioning to improve tissue contact and ensure complete coverage of remaining gaps.

The discussion highlights how real-time mapping, rapid isolation and efficient workflow design can help streamline AF ablation while maintaining procedural precision.

14/09/2026

In this live PFA case, case operators Domenico Della Rocca and Antonio Sorgente discuss the management of haemolysis risk when using large-footprint ablation catheters.

Responding to a question from the faculty panel, the discussion explores procedural factors that may contribute to haemolysis, including the number of ablation applications delivered during a case.

The operators outline their approach of performing pulmonary vein isolation first, then using mapping to identify any additional low-voltage areas before considering further ablation.

Joined by Devi Nair, Serge Boveda, Claire Martin and Christian Sohns, the discussion highlights the importance of a targeted, patient-specific strategy to minimise unnecessary applications while maintaining procedural effectiveness.

11/09/2026

In this case discussion, Devi Nair, Usman Siddiqui and Nitesh Sood explore mapping strategies and procedural considerations during dual energy ablation for atrial arrhythmias.

The panel discusses the role of pre-mapping and vein mode in defining left-sided pulmonary vein anatomy, including the ridge between the left pulmonary veins and left atrial appendage.

By improving anatomical visualisation, detailed mapping can help guide lesion placement and avoid unnecessary ablation near adjacent structures.

The discussion also highlights anticoagulation strategies during complex ablation procedures, including maintaining uninterrupted anticoagulation and appropriate ACT targets throughout the case.

10/09/2026

In this live case, Roderick Tung demonstrates techniques for epicardial access during complex VT ablation.

Using fluoroscopic guidance and contrast injections, the team navigates the retrosternal space with careful attention to catheter trajectory and anatomical landmarks.

The discussion highlights the challenges of epicardial access, including working around the sternum, pericardial anatomy and structures such as the costophrenic ligaments.

This case provides practical insight into the technical considerations required to safely establish epicardial access for substrate-based VT ablation.

09/09/2026

In this live case, Roderick Tung demonstrates real-time ICE-guided decision-making during cardioneural ablation.

Using intracardiac echocardiography alongside electrogram assessment, the team monitors anatomical position, catheter contact and tissue response throughout energy delivery.

As the procedure progresses, Roderick adjusts catheter positioning based on ICE visualisation rather than relying solely on the mapping system, targeting the septal region with careful attention to contact and lesion formation.

The case highlights how integrated imaging and real-time feedback can support precision during complex ablation procedures.

08/09/2026

In this live case, Rodney Horton discusses catheter sizing considerations and lesion strategy with the FARAPULSE™ Pulsed Field Ablation system during a concomitant PFA and LAA occlusion procedure led by Julian Chun.

The discussion explores the rationale behind catheter selection, including the potential for higher lesion density with the 31mm catheter and how PFA differs from thermal ablation approaches when considering pulmonary vein applications.

Rodney highlights how the non-thermal nature of PFA changes the approach to lesion placement, including considerations around the carina and intravein positioning.

The team also discusses procedural workflow differences, including fluoroscopy-guided transseptal access and evolving imaging approaches in contemporary PFA procedures.

07/09/2026

In this live case, Domenico Della Rocca and Antonio Sorgente discuss coronary spasm considerations during PFA workflows, particularly when performing ablation beyond the pulmonary veins.

The team reflects on early experience with mitral isthmus applications, where coronary spasm was observed in a proportion of cases. They discuss how procedural strategy has evolved over time, including changes in workflow and the introduction of nitroglycerin protocols to reduce the risk of clinically apparent spasm.

The discussion also highlights ongoing questions around coronary spasm assessment, including the distinction between clinically evident and subclinical responses during ablation.

A practical insight into how procedural experience continues to shape PFA strategies and safety considerations.

06/09/2026

In this live case, Jérôme Lacotte and Vladimir Manenti demonstrate how activation mapping can be used to assess conduction block following ablation.

The team uses pacing and activation mapping to evaluate the line, with detailed assessment of near-field and far-field signals helping determine whether conduction persists across the target area.

This case highlights the importance of confirming lesion efficacy through comprehensive mapping and careful interpretation of electrogram signals during complex ablation procedures.

05/09/2026

In this live case, Devi Nair demonstrates an integrated ICE and advanced mapping workflow to optimise catheter contact during complex ablation procedures.

Using ICE within the left atrium, Devi assesses spline contact in real time while the mapping system helps identify areas requiring repositioning. By combining imaging and array visualisation, the team can make targeted adjustments to improve contact and support precise lesion delivery.

The panel also discusses how integrated ICE can support complex workflows, including anatomical landmarking of structures such as the CTI and His region to help guide linear ablation while considering conduction system safety.

This case highlights the value of combining imaging, mapping and anatomical awareness when performing advanced AF ablation procedures.

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