Letter from the Editor in Chief

DOI: 10.19102/icrm.2022.130308

MOUSSA MANSOUR, MD, FHRS, FACC

Left Bundle Branch Pacing: Unexpected Resynchronization Effect of Anodal Capture

DOI: 10.19102/icrm.2022.130303

RONPICHAI CHOKESUWATTANASKUL, MD^1–4 and KRIT JONGNARANGSIN, MD¹

¹Division of Cardiac Electrophysiology, University of Michigan Health Care, Ann Arbor, MI, USA

²Department of Medicine, Faculty of Medicine, Cardiac Center, King Chulalongkorn Memorial Hospital, Chulalongkorn University, Thai Red Cross Society, Bangkok, Thailand

³Center of Excellence in Arrhythmia Research Chulalongkorn University, Department of Medicine, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand

⁴Department of Public Health, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, MD, USA

Accessory Pathway in Ebstein’s Anomaly: Absence of Evidence Is Not Evidence of Absence

DOI: 10.19102/icrm.2022.130304

IDRIS YAKUT, MD,¹ FUNDA ÖZLEM PAMUK, MD,¹ KORAY ARSLAN, MD,¹ CEREN OZDEMIR, MD,¹ MERYEM KARA, MD,¹ AHMET KORKMAZ, MD,¹ BULENT DEVECI, MD,¹ OZCAN OZEKE, MD,¹ SERKAN CAY, MD,¹ FIRAT OZCAN, MD,¹ DURSUN ARAS, MD,¹ and SERKAN TOPALOGLU, MD¹

¹Department of Cardiology, University of Health Sciences, Ankara City Hospital, Ankara, Turkey

Accuracy of Delta Capnography for the Prediction of Pulmonary Vein Occlusion During Cryoablation for Atrial Fibrillation

DOI: 10.19102/icrm.2022.130302

JUAN FERNANDO AGUDELO-URIBE, MD, MSc,¹ JUAN DAVID RAMIREZ-BARRERA, MD,¹ JUAN ALBERTO ESPINAL-MONTOYA, MD,² ANDRES FELIPE MIRANDA-ARBOLEDA, MD,³ GLORIA SAENZ-JARAMILLO, MD,³ MARCELA PAOLA TOBON-UPEGUI, MD,⁴ and EDUARDO CASTELLANOS-MARTINEZ, MD, PhD⁵

¹Interventional Cardiology Department, CardioVID Clinic, Medellin, Colombia

²Cardiovascular Surgery Department, CardioVID Clinic, Medellin, Colombia

³Cardiology Department, CardioVID Clinic, Medellin, Colombia

⁴Research Department, CardioVID Clinic, Medellin, Colombia

⁵Cardiac Electrophysiology Unit, Monteprincipe University Hospital, Madrid, Spain

Device-based Optimization of Cardiac Resynchronization—One Size Does Not Fit All

DOI: 10.19102/icrm.2022.130307

WASIM RASHID, MD, DNB, CCDS,¹ ASIM KICHLOO, MD,² and KHALIL KANJWAL, MD, FHRS, FACC, CCDS, CEPS(P)³

¹Department of Cardiology, Sheri Kashmir Institute of Medical Sciences, Srinagar, India

²Department of Internal Medicine, Central Michigan University, Mt Pleasant, MI, USA

³Department of Cardiology, McLaren Greater Lansing Hospital, Lansing, MI, USA

Utility of Ischemia Testing Prior to Ablation for Sustained Monomorphic Ventricular Tachycardia

DOI: 10.19102/icrm.2022.130301

NISHAKI K. MEHTA, MD, FHRS,^1,2 CHRISTOPHER SCHUMANN, MD,² GIOVANNI DAVOGUSTTO, MD,³ ANDREW CLUCKEY, MD,³ EVAN HARMON, MD,² JOSHUA FRANCE, BS,¹ JAMES M. MANGRUM, MD,² PAMELA MASON, MD,² SULA MAZIMBA, MD,² ROHIT MALHOTRA, MD,² KENNETH BILCHICK, MD,² ANDREW DARBY, MD,² MICHAEL SALERNO, MD, PhD,^2,4,5 CHRISTOPHER M. KRAMER, MD,^2,4,5 and WILLIAM STEVENSON, MD³

¹Division of Cardiovascular Medicine, Beaumont Hospital, Royal Oak, MI, USA

²Department of Medicine, University of Virginia Health System, Charlottesville, VA, USA

³Cardiovascular Division, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA

⁴Department of Radiology and Medical Imaging, University of Virginia Health System, Charlottesville, VA, USA

⁵Department of Biomedical Engineering, University of Virginia Health System, Charlottesville, VA, USA

Roof-dependent Atrial Flutter Changed into Single-loop Biatrial Flutter During Ablation

DOI: 10.19102/icrm.2022.130306

JIALIN SU, MD, PhD,¹ DOMINIKA ZOLTOWSKA, MD,¹ HAISAM ISMAIL, MD,² ELE WU, MD,¹ and THOMAS WANNENBURG, MD¹

¹Division of Cardiology, University of Florida College of Medicine—Jacksonville, Jacksonville, FL, USA

²Division of Cardiology, Donald and Barbara Zucker School of Medicine at Hofstra/Northwell Health, Hempstead, NY, USA

An Unusual Electrogram Sequence with a Questionable Potential on the His-bundle Catheter During Sinus Rhythm: What Is the Mechanism?

DOI: 10.19102/icrm.2022.130305

AHMET LUTFU SERTDEMIR, MD,^1,2 MERYEM KARA, MD,¹ SERDAL BASTUG, MD,³ BULENT DEVECI, MD,¹ AHMET KORKMAZ, MD,¹ OZCAN OZEKE, MD,¹ SERKAN CAY, MD,¹ FIRAT OZCAN, MD,¹ SERKAN TOPALOGLU, MD,¹ and DURSUN ARAS, MD¹

¹Department of Cardiology, University of Health Sciences, Ankara City Hospital, Ankara, Turkey

²Department of Cardiology, Necmettin Erbakan University Meram Medical Faculty, Konya, Turkey

³Department of Cardiology, Ankara Yıldırım Beyazıt University School of Medicine; Ankara City Hospital, Ankara, Turkey