Letter from the Editor in Chief

DOI: 10.19102/icrm.2021.120406

MOUSSA MANSOUR, MD, FHRS, FACC

Delivery of a Leadless Transcatheter Pacing System as First-line Therapy in a 28-kg Pediatric Patient Through Proximal Right Internal Jugular Surgical Cutdown

DOI: 10.19102/icrm.2021.120403

GRETCHEN HACKETT, DO, MS,¹ FAISAL AZIZ, MD, DFSVS, FACS,² SORAYA SAMII, MD, PhD, FHRS,³ and JASON R. IMUNDO, MD, FHRS¹

¹Division of Pediatric Cardiology, Penn State Health Children’s Hospital, Hershey, PA, USA

²Division of Vascular Surgery, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA

³Heart and Vascular Institute, Penn State Milton S. Hershey Medical Center, Hershey, PA, USA

An Incessant Tachycardia: What Is the Mechanism?

DOI: 10.19102/icrm.2021.120407

MATTHEW J. SINGLETON, MD, MBE, MHS, MSc, FIT-HRS,¹ JAYANTHI N. KONERU, MBBS, FHRS,² PRASHANT D. BHAVE, MD, FHRS¹ and S. PATRICK WHALEN, MD, FHRS¹

¹Section of Cardiology, Department of Internal Medicine, Wake Forest School of Medicine, Winston-Salem, NC, USA

²Division of Cardiology, Department of Internal Medicine, Virginia Commonwealth University School of Medicine, Richmond, VI, USA

Epicardial–Endocardial Reentry in Ischemic Cardiomyopathy

DOI: 10.19102/icrm.2021.120402

YASUHITO KOTAKE, MD, PhD,^1,2 CHRISHAN J. NALLIAH, MBBS,^1,2 TIMOTHY CAMPBELL, BSc,^1,2 IVANA TRIVIC, BSc,^1,2 NEIL ROSS, BSc,¹ RICHARD G. BENNETT, MBChB,^1,2 SAMUAL TURNBULL, BSc,^1,2 and SAURABH KUMAR, BSc (Med)/MBBS, PhD^1,2

¹Department of Cardiology, Westmead Hospital, Sydney, Australia

²Westmead Applied Research Centre, University of Sydney, New South Wales, Australia

Lead-associated Superior Vena Cava Syndrome

DOI: 10.19102/icrm.2021.120404

ANDREW H. LOCKE, MD,¹ DAVID J. SHIM, MD, PhD,¹ JESSICA BURR, MS,² TYLER MEHEGAN, MD,¹ KELSEY MURPHY, FNP-C,¹ ANDRÉ D’AVILA, MD, PhD,¹ MARC L. SCHERMERHORN, MD,³ and PETER ZIMETBAUM, MD⁴

¹Harvard-Thorndike Electrophysiology Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA

²Boston Scientific, Natick, MA, USA

³Department of Surgery, Division of Vascular and Endovascular Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA

⁴Harvard-Thorndike Electrophysiology Institute, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA

Expanding the Reach of Pediatric Transcatheter Pacing

DOI: 10.19102/icrm.2021.120408

Fractionation Mapping of the Ganglionated Plexi for Cardioneuroablation

DOI: 10.19102/icrm.2021.120405

LEAH A. JOHN, MD, MBA,¹ ANDIN MULLIS, MD,¹ JOSHUA PAYNE, MD, MPH,¹ RODERICK TUNG, MD, FHRS,² TOLGA AKSU, MD, FHRS,³ and JEFFREY R. WINTERFIELD, MD, FHRS¹

¹Division of Cardiology, Medical University of South Carolina, Charleston, SC, USA

²The University of Chicago Medicine Center for Arrhythmia Care, Pritzker School of Medicine, Chicago, IL, USA

³Department of Cardiology, Kocaeli Derince Training and Research Hospital, University of Health Sciences, Kocaeli, Turkey

Letter from the Program Directors

DOI: 10.19102/icrm.2021.120401

WENDY TZOU, MD and WILLIAM SAUER, MD