http://www.acc.org/Feed?clinicalTopicID=229f7074-fb00-4bea-a844-8ef25973206d Clinical Topic Feed: EP Basic Science en /Latest-in-Cardiology/Articles/2026/05/12/15/21/eagles-eye-view-13may2026 In this week’s View, Dr. Eagle examines the role of rhythm control in improving moderate-to-severe and severe secondary tricuspid valve regurgitation. 1778679000000 Articles and Stories /Latest-in-Cardiology/Journal-Scans/2026/05/04/11/24/AVANT-GUARD The likelihood of recurrence of atrial arrhythmia in patients with persistent atrial fibrillation (AFib) was lower for those who received pulsed field ablation (PFA) as first-line therapy when compared to those who first tried antiarrhythmic drug (AAD) therapy, according to results from the AVANT-GUARD trial published April 25 in NEJM. 1777994460000 Articles and Stories /Latest-in-Cardiology/Journal-Scans/2026/04/22/11/23/LEFT-BUNDLE-CRT Among patients who were eligible for CRT, left bundle branch area pacing (LBBAP) was not found to be noninferior to biventricular pacing (BiVP) in the intention-to-treat analysis, according to results from the LEFT-BUNDLE-CRT trial published April 14 in EHJ. 1776865440000 Articles and Stories /Latest-in-Cardiology/Journal-Scans/2026/03/24/18/20/New-CCG-Isolated-Left-to-Right-Shunt-Lesions-in-Pediatric-Patients Outpatient management of isolated left-to-right shunt lesions in pediatric patients with congenital heart disease is the focus of a new 2026 ACC Concise Clinical Guidance report. 1774533600000 Articles and Stories /Latest-in-Cardiology/Journal-Scans/2026/03/18/17/30/HeartSync-LBBP-and-PhysioSync-HF-Comparing-Conduction-System-Pacing-vs-BiVP-in-Patients-With-HFrEF-and-LBBB Two studies recently published in JAMA Cardiology present conflicting findings in comparing conduction system pacing (CSP), such as left bundle-branch pacing (LBBP), and biventricular pacing (BiVP) in patients with heart failure with reduced ejection fraction (HFrEF) and left bundle-branch block (LBBB). 1773855960000 Articles and Stories /Latest-in-Cardiology/Articles/2026/03/04/14/11/eagles-eye-view-04mar2025 In this week’s View, Dr. Eagle looks at increased one-year mortality in younger patients undergoing transcatheter aortic valve replacement (TAVR). 1772636400000 Articles and Stories /Latest-in-Cardiology/Journal-Scans/2026/02/26/18/18/20-Year-Outcomes Twenty years after pulmonary vein isolation (PVI) during catheter ablation, stable sinus rhythm was maintained in a quarter of patients with symptomatic drug-refractory paroxysmal atrial fibrillation (PAF), including those taking antiarrhythmic drugs and those who had multiple ablation procedures, according to findings from a study published Feb. 17 in JACC: Clinical Electrophysiology. 1772131380000 Articles and Stories /Latest-in-Cardiology/Articles/2026/02/02/11/35/Asymptomatic-Wolff-Parkinson-White-Pattern-in-Athletes The preparticipation examination (PPE) is an invaluable tool in the care of athletes. Screening electrocardiograms (ECGs), although controversial, are often included in the PPE to improve the sensitivity of identifying cardiac pathology relevant to sudden cardiac arrest SCA) in athletes. 1770046260000 Articles and Stories /Latest-in-Cardiology/Articles/2026/01/01/01/JACC-in-a-Flash Featured topics and Editors' Picks from all of ACC's JACC Journals. 1769001060000 Articles and Stories /Latest-in-Cardiology/Journal-Scans/2025/12/17/15/00/Mechanisms-Causing-AV-Block Among patients undergoing TAVR, the characteristics and mechanisms causing atrioventricular (AV) conduction block during the procedure differed from those after the procedure, according to a study published Dec. 10 in JAMA Cardiology. 1765996440000 Articles and Stories