Dr. Hugh Calkins is the Catherine Ellen Poindexter Professor of Cardiology and Director of the Electrophysiology Laboratory and Arrhythmia Service at the Johns Hopkins Hospital. He is an internationally recognized expert on catheter ablation, atrial fibrillation, syncope, arrhythmogenic right ventricular dysplasia (ARVD) and arrhythmia management. Dr. Calkins attended Williams College and Harvard Medical School before training in medicine at Massachusetts General Hospital. He received his cardiology training at Johns Hopkins. His first faculty position was at the University of Michigan, where he directed the Pacemaker Service, and he returned to Johns Hopkins as director of the Arrhythmia Service in 1992. Dr. Calkins is an Associate Editor of the Journal of Cardiovascular Electrophysiology and is on the editorial board of many other cardiology journals. He is a former member of the American Board of Internal Medicine Electrophysiology Boards Test Writing Committee. Dr. Calkins is a fellow of the American College of Cardiology, the American Heart Association and the Heart Rhythm Society. He led a 44-member international task force whose 2012 Expert Consensus Statement gave recommendations for treatment and research of atrial fibrillation. Dr Calkins is a past president of the Heart Rhythm Society and was elected to be a member of the Miler Coulsen Academy of Clinical Excellence in 2014. Dr. Calkins has published more than 500 articles and book chapters on a large variety of cardiac arrhythmias. His research has focused predominantly on catheter ablation, atrial fibrillation, syncope, and arrhythmogenic right ventricular dysplasia. Dr. Calkins has also written extensively on most aspects of heart rhythm disorders and their treatment. Dr. Calkins is rated as a Distinguished provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiomyopathy, Cardiac Ablation, and Heart Transplant.

Dr. Cingolani is an Associate Professor at The Johns Hopkins University School of Medicine, Division of Cardiology. He earned his medical degree from Universidad Nacional de La Plata, Argentina, and completed his Internship and Internal Medicine Residency at CEMIC, Buenos Aires, Argentina, and hypertension research post-doctoral fellowship at Henry Ford Hospital, Detroit, MI. After completing his Internal Medicine Residency at The Reading Hospital and Medical Center in Pennsylvania, Dr. Cingolani joined The Johns Hopkins Hospital as a Cardiology fellow, where he remained in the Faculty after his training. Currently, he is the Associate Director of The Johns Hopkins Hospital Coronary Care Unit, Director of the Hypertension Center and member of the Echocardiography Lab and Outpatient Cardiology Clinic. He also teaches pathophysiology to medical students. Dr. Cingolani’s research interests focus on hypertensive heart disease and its transition to heart failure. He aims to elucidate the mechanism/s by which certain matricellular proteins present in the heart seem to play a protective role. His research is mainly supported by the National Institute of Health (NIH). He is also the principal investigator of the DREAM study group, studying the effect of Melatonin in preventing atrial fibrillation in patients undergoing cardiac surgery. Dr. Cingolani has been recognized by the Council for High Blood Pressure Research of the American Heart Association for his work in hypertension and is the 2011 recipient of the PJ Schafer Memorial Heart Research Award, the 2012 Michel Mirowski Discovery Fund Award, and 2013 Magic that matters Fund. Dr. Cingolani is rated as an Advanced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Paroxysmal Supraventricular Tachycardia (PSVT), Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Multifocal Atrial Tachycardia, Cardiac Ablation, and Tissue Biopsy.

Joseph Marine, MD, MBA, FACC, FHRS, is a clinical cardiac electrophysiologist who practices primarily at the Johns Hopkins Hospital in Baltimore, Maryland. He is a Professor of Medicine at the Johns Hopkins University School of Medicine and holds appointments as Vice-Director of Operations for the Division of Cardiology and Section Chief of Cardiology for Johns Hopkins Community Physicians. He trained at UC San Francisco Medical School, Brigham and Women’s Hospital/Harvard Medical School, Boston University Medical Center, and Beth Israel Deaconess Medical Center. Dr. Marine has lectured widely on a variety of arrhythmia topics and has served as a co-director of the American College of Cardiology (ACC) Cardiovascular Overview and Board Review Course for 10 years. He currently serves on the ACC Board of Governors and is co-editor of the ACC/HRS EP Self-Assessment Program. He also serves on other committees for the ACC, the Heart Rhythm Society, and MedChi. He is co-author of more than 130 original research and review articles and has served on writing committees for several national cardiology practice and training guidelines. As a clinical cardiac electrophysiologist, Dr. Marine specializes in the diagnosis and treatment of arrhythmias, which are heart rhythm disorders that cause the heart to beat too rapidly, too slowly, or irregularly. His research focuses on further improving the safety and effectiveness of catheter ablation and other treatments for atrial fibrillation and other atrial and ventricular arrhythmias. Dr. Marine is rated as an Advanced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Atrial Fibrillation, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Arrhythmias, Cardiac Ablation, and Heart Transplant.

Dr. David Douglass Spragg is a Professor of Medicine in the Department of Medicine (Division of Cardiology) at Johns Hopkins. In addition, he is the inaugural Edward St. John Professor of Cardiology. His research focuses on treatments for atrial fibrillation (AF), and particularly on catheter ablation for AF. Dr. Spragg received his undergraduate degree in the Comparative Study of Religion from Harvard College. He earned his medical degree from the College of Physicians and Surgeons at Columbia University. After pursuing a Sarnoff Cardiovascular research fellowship at Brigham and Women's Hospital, Dr. Spragg completed his internship and residency at Massachusetts General Hospital. He came to Johns Hopkins in 2001 for Cardiology and Cardiac EP fellowships. He served as chief fellow for the Cardiology program, and was recognized for his research during fellowship as the Michel Mirowski Cardiology Fellow. Dr. Spragg joined the faculty as an Assistant Professor in 2006, and was promoted to Associate Professor in 2014. He was promoted to the rank of Professor of Medicine in 2024. Besides his teaching and clinical appointments at the Johns Hopkins School of Medicine, Dr. Spragg is the Director of the Johns Hopkins Atrial Fibrillation Research Program. He is a Fellow of the Heart Rhythm Society. Dr. Spragg is rated as an Advanced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiac Tamponade, Cardiac Ablation, and Pacemaker Implantation.

Degrees: BS: Massachusetts Institute of Technology 1981 Electrical Engineering MS: Massachusetts Institute of Technology 1983 Electrical Engineering PhD: Massachusetts Institute of Technology 1987 Electrical Engineering MD: Harvard 1987 Medicine Professional Appointments: 1987-1988 Intern in Medicine, Brigham and Women's Hospital 1988-1990 Resident in Medicine, Brigham and Women's Hospital 1988-1990 Research Scientist, Harvard M.I.T. Division of H.S.T. 1990-1993 Fellow in Cardiology, Johns Hopkins University 1993-1998 Assistant Professor of Medicine, Johns Hopkins University 1996- Co-Director of Cardiac Electrophysiology, Johns Hopkins Hospital 1998-2005 Associate Professor of Medicine, Johns Hopkins University 2002-2005 Associate Professor of Biomedical Engineering, Johns Hopkins University 2005- Professor of Medicine, Johns Hopkins University 2005- Professor of Biomedical Engineering, Johns Hopkins University. Dr. Berger is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.

Edward K. Kasper, M.D. is a graduate of the Johns Hopkins University with a B.A. in Natural Sciences. He earned his M.D. at the University of Connecticut School of Medicine in 1984. His internship and residency in Internal Medicine, as well as his fellowship in Cardiovascular Medicine, were completed at the Johns Hopkins Hospital, where he then joined the faculty in 1993. He is a fellow of the American Heart Association as well as a fellow of the American College of Cardiology, having served on its board of governors from 2002 to 2006. Dr. Kasper has authored more than 100 articles and three books including, Living Well with Heart Failure. He is currently the Director of Outpatient Cardiology. Dr. Kasper's current research interests focus on the biological origins of heart failure. Specifically, his research has focused on causes and prognosis of patients with cardiomyopathy, a serious condition in which the heart has difficulty pumping blood throughout the body. Dr. Kasper works closely with his team at the Johns Hopkins Heart and Vascular Institute to understand the best ways to predict and prevent catastrophic cardiac events. With your support, Dr. Kasper will be able to continue his significant work in cardiovascular medicine in hopes of impacting the future of patients with cardiomyopathy and heart failure. Dr. Kasper is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Cardiomyopathy, Familial Hypertrophic Cardiomyopathy, Sengers Syndrome, Hypertrophic Cardiomyopathy (HCM), and Heart Transplant.

Dr. Aronis is an Assistant Professor of Medicine in the Division of Cardiology at the Johns Hopkins School of Medicine, the Director of the Complex Adult Congenital Heart Disease Ablation Program, and the Associate Director of the Ventricular Tachycardia Ablation Program. He performs all types of electrophysiology procedures, with a special focus on complex catheter ablations for atrial and ventricular arrhythmias as well as complex ablations for arrhythmias in patients with adult congenital heart diseases. Dr. Aronis received his M.D. and Ph.D. degrees with Summa Cum Laude honors from the University of Patras School of Medicine in Greece. He completed his internal medicine residency training at Boston University Medical Center both his Cardiovascular Disease and Clinical Cardiac Electrophysiology fellowships at The Johns Hopkins Hospital. In addition, he has completed a post-doctoral research fellowship in Translational Research at Beth Israel Deaconess Medical Center / Harvard Medical School and an NIH funded (T-32) post-doctoral research fellowship in computational electrophysiology at the Institute of Computational Medicine at the Johns Hopkins Whiting School of Engineering. He actively engages in clinical trials and research studies aimed at improving patient outcomes and advancing the understanding of cardiac arrhythmias. He is a member of the American College of Cardiology, American Heart Association, and Heart Rhythm Society. Dr. Aronis is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Atrial Fibrillation, Ventricular Tachycardia, Arrhythmias, Cardiac Ablation, and Pacemaker Implantation.

David Kim is a Cardiologist in Baltimore,, Maryland. Dr. Kim is rated as an Advanced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Cardiomyopathy, Arrhythmogenic Right Ventricular Cardiomyopathy, Atherosclerosis, and Coronary Heart Disease.

Susie Hong is a Cardiologist in Baltimore,, Maryland. Dr. Hong is rated as an Advanced provider by MediFind in the treatment of Atrial Tachycardia. Her top areas of expertise are Mitral Valve Regurgitation, Familial Ventricular Tachycardia, Necrosis, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Robert Benitez is a Cardiologist in Baltimore, Maryland. Dr. Benitez is rated as an Advanced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Mitral Valve Regurgitation, Necrosis, Cardiogenic Shock, Transcatheter Aortic Valve Replacement (TAVR), and Aortic Valve Replacement.

Dr. Thomas Stephen Metkus is an assistant professor of cardiology at the Johns Hopkins University School of Medicine. His research focuses on using cardiac physiology for risk stratification and therapeutics in non-cardiac critical illness such as sepsis and the acute respiratory distress syndrome (ARDS), and optimizing the management of non-cardiac organ failure in primary cardiac diseases such as heart failure and acute coronary syndromes. Dr. Metkus received his undergraduate degree from Boston University College of Engineering. He earned a medical degree from the University of Pennsylvania School of Medicine and completed a residency at Brigham and Women’s Hospital. After completing residency, Dr. Metkus was a clinical fellow at both Harvard Medical School and Johns Hopkins Hospital. Prior to joining the faculty at the Johns Hopkins Medical School he was an instructor of medicine at the Harvard Medical School. His educational focus includes teaching clinical cardiology and critical care, echocardiography, and electrocardiography to students, residents, and fellows at the Johns Hopkins Hospital. Videos Dr. Thomas Metkus. Dr. Metkus is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Heart Bypass Surgery, and Coronary Artery Bypass Graft (CABG).

Dr. Thomas R. Aversano is an associate professor of medicine at Johns Hopkins University. He is also the associate chief of cardiology at Johns Hopkins Cardiology at GBMC and the director of the Atlantic Cardiovascular Patient Outcomes Research Team (C-PORT). His research interests focus on health services research - public policy, cardiovascular disease treatment, coronary intervention, and patient outcomes research in cardiovascular disease. Dr. Aversano received an undergraduate degree from the University of Rochester and a medical degree from the University of Oklahoma. He was a resident of internal medicine as well as a research fellow in cardiology at S.U.N.Y. at Buffalo before joining Johns Hopkins University as a cardiology fellow in 1982. Dr. Aversano has contributed to Johns Hopkins InHealth, specifically the development of a cardiology program (inCar) within the InHealth initiative focused on creation of a real-time decision-support, communication, and documentation tool for interventional cardiology. He also created and leads the Atlantic Cardiovascular Patient Outcomes Research Team (C-PORT) whose projects have involved 87 hospitals in 11 States and recruited more than 30,000 patients in randomized trials and registries. C-PORT worked with Departments of Health in 13 States to perform these studies. These projects were instrumental in changing both national heart association guidelines and State health care policy regarding performance of percutaneous coronary intervention (PCI). Dr. Aversano is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Familial Ventricular Tachycardia, Transient Ischemic Attack (TIA), Inappropriate Sinus Tachycardia (IST), Arrhythmias, and Percutaneous Coronary Intervention (PCI).

Dr. Gary Gerstenblith is professor of medicine and director of clinical trials in the Johns Hopkins Medicine Division of Cardiology. He also serves as attending physician in r the Cardiology care Unit. Dr. Gerstenblith earned his undergraduate degree from New York University and his medical degree from the University of Pennsylvania School of Medicine. After working at the National Institute on Aging and the National Institutes of Health (NIH) and completing a fellowship at Jackson Memorial Hospital in Miami, Dr. Gerstenblith joined the faculty of the Johns Hopkins University School of Medicine. Dr. Gerstenblith conducts clinical trials in patients with cardiovascular disease. His research interests include the impact of cardiovascular aging on cardiac structure and function, and the use of stem cells to repair damaged cardiac muscle. He has published nearly 250 articles and book chapters and has been a referee for numerous journals including Circulation, The New England Journal of Medicine and The Journal of the American College of Cardiology. Dr. Gerstenblith is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Heart Attack, Atherosclerosis, Coronary Heart Disease, Apoplexy, and Percutaneous Coronary Intervention (PCI).

Dr. Joao Lima is a professor of medicine, radiology and epidemiology at the Johns Hopkins School of Medicine. His pioneering work in cardiac imaging using advanced MRI, CT and echocardiography has led to noninvasive techniques for predicting cardiovascular disease and calculating its extent, as well as measuring the effectiveness of modern cardiac treatments. He holds numerous patents on devices and methods for cardiac imaging and image-guided therapies. Dr. Lima graduated medical school at the University of Bahia, Brazil. He completed his cardiology fellowship at Johns Hopkins and spent two years on the faculty of the University of Pennsylvania before returning to Hopkins as a faculty member in 1992. A long-time investigator with the Multi-Ethnic Study of Atherosclerosis (MESA), Dr. Lima is credited with more than 175 articles out of that study and nearly 575 publications over his career. He is associate editor of Journal of the American College of Cardiology and serves on the editorial board of the Italian Journal of Cardiology while reviewing for other journals including the New England Journal of Medicine, Circulation and Annals of Internal Medicine. Dr. Lima has been invited to present his research throughout the Americas, Europe and Asia. Dr. Lima is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Atherosclerosis, Heart Attack, Apoplexy, Heart Failure, and Bone Marrow Aspiration.

Dr. Jeffrey C. Trost is an associate professor of medicine at the Johns Hopkins School of Medicine as well as director of the Cardiac Catheterization Laboratory at Johns Hopkins Bayview Medical Center. His research there focuses on cardiac disease and cardiovascular medicine. He is also currently deputy director of clinical activities at Johns Hopkins Bayview Medical Center. Dr. Trost earned his undergraduate degree at Princeton University and medical degree at the University of Pennsylvania School of Medicine. He completed a residency at the University of Texas Southwestern School of Medicine where he was chief resident from 1999-2000. He was an assistant professor of internal medicine at the University of Texas Southwestern School of Medicine and an interventional cardiovascular fellow at Brown University before joining the Johns Hopkins faculty in 2005. Dr. Trost was most recently recognized with the 2016 Hopkins Medicine Clinical Recognition Award for Quality and Safety and the 2016 Hopkins Cardiology Fellows’ Teaching Award. Dr. Trost is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Coronary Artery Bypass Graft (CABG), and Heart Bypass Surgery.

Dr. Harry A. Silber is an associate professor of medicine at the Johns Hopkins University School of Medicine. His clinical work specializes in cardiac disease and his research focuses on vascular function by MRI and non-invasive assessment of cardiac filling pressure. Dr. Silber received a doctorate in biomedical engineering as well as a medical degree from Tulane University. He completed a residency at the Hospital of the University of Pennsylvania before being selected for a fellowship in cardiology at Johns Hopkins Hospital. He joined the Johns Hopkins faculty in 2000. Dr. Silber has published extensively and holds several patents for his research for cardiovascular disease. Dr. Silber is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Apoplexy, Heart Attack, Heart Failure, and Arterial Embolism.

Dr. Marlene Stephanie Williams is an Associate professor at the Johns Hopkins University School of Medicine. Her research focuses on coronary atherosclerosis and platelet function, and her particular focus is on platelet function as it relates to the acute coronary syndrome. Dr. Williams has examined platelet function and its correlation to platelet functional genomics and runs a platelet physiology laboratory on the Johns Hopkins Bayview campus. The goal for her cardiovascular platelet laboratory has been to identify the etiology of platelet dysfunction in many disease states and apply methods that may improve this dysfunction that may eventually be translated to therapies for patients with cardiovascular disease. She is a prior recipient of an NIH career mentored award (K23) examining platelet functional genomics and an NIH RO1 award addressing platelet serotonin signaling in depression and heart disease. Dr. Williams has several publications covering platelet functional changes in settings of interventional cardiology, acute coronary syndrome, and heart disease and depression. She has participated in several NHLBI advisory committees, review groups, and study sections. Dr. Williams has been the Course Director, of the advanced clinical clerkship in coronary intensive care at the Bayview Medical center and has mentored many medical residents and cardiology fellows. Dr. Williams received her undergraduate degree in biochemistry from McGill University. She earned a medical degree from the Columbia University College of Physicians & Surgeons and completed a residency at Johns Hopkins Hospital. After completing a residency, Dr. Williams was a cardiology fellow at Mount Sinai Hospital and Johns Hopkins Hospital. Dr. Williams is currently the Clinical Director of Cardiology at Johns Hopkins Bayview Medical Center. Dr. Williams is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. Her top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Pacemaker Implantation, and Hormone Replacement Therapy (HRT).

Dr. Sammy Zakaria is an Associate Professor of Medicine at the Johns Hopkins University School of Medicine (JHUSOM). Because he specializes in critical care cardiology, he predominately works in the Cardiac Intensive Care Unit (CICU) at the Johns Hopkins Bayview Medical Center (JHBMC) as well as the Cardiac Care Unit at Johns Hopkins Hospital (JHH). He also serves as the Director of the JHBMC CICU. His practice encompasses most of cardiology, with many of his patients having had life-threatening cardiac issues, such as shock, end-stage heart failure, or multi-organ system failure. He also has an interest in caring for pregnant women with cardiovascular disease, including those with severe preeclampsia, and his clinical research efforts focus on the effects of preeclampsia on the cardiovascular system. Additionally, his other research areas of interest include critical care issues affecting cardiac patients and studying innovations in medical education. Dr. Zakaria is heavily involved in medical education and serves as an educator for students, residents, fellows, and staff. He served as a JHUSOM Colleges Advisor for 10 years and was responsible for teaching and mentoring a cohort of medical students during their time in medical school. In his role as Interim Program Director for the JHBMC Internal Medicine Residency Program, he has helped to increase the JHBMC Internal Medicine residency program’s nationally-recognized reputation for excellence by championing curricular innovations, resident scholarly work, and resident academic careers. He also is a Core Faculty member for the JHH Osler Internal Medicine residency program and for the Johns Hopkins Cardiovascular Disease fellowship. As a result of his efforts in education, he has been honored with multiple teaching awards, including the Outstanding Achievement in Teaching Award from the Johns Hopkins Institute for Excellence in Education. Dr. Zakaria earned his undergraduate degree from the Pennsylvania State University, his medical degree from Jefferson Medical College, and his master of public health degree from the University of Maryland. He trained at Thomas Jefferson University Hospital in Internal Medicine and also practiced there as a faculty attending for one year. He then completed a fellowship in cardiovascular disease at the University of Maryland and subsequently a Critical Care Medicine fellowship at the University of California San Francisco. He joined the Johns Hopkins faculty in 2008. Dr. Zakaria is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Apoplexy, Heart Attack, Arterial Embolism, Inappropriate Sinus Tachycardia (IST), and Pacemaker Implantation.

Olurotimi Mesubi, M.B.B.S., M.P.H., is a cardiologist, specializing in clinical cardiac electrophysiology. He practices primarily in Baltimore, Maryland. He is an assistant professor of medicine in the Division of Cardiology at the Baltimore-based Johns Hopkins University School of Medicine. As a clinical cardiac electrophysiologist, Dr. Mesubi specializes in the diagnosis and treatment of cardiac arrhythmias, which are heart rhythm disorders that cause the heart to beat irregularly. He has particular interest and expertise in inherited arrhythmia disorders and channelopathies, such as long QT syndrome, Brugada syndrome, CPVT, muscular dystrophies and arrhythmogenic cardiomyopathies. Dr. Mesubi performs pacemaker and defibrillator implantations and complex catheter ablations for cardiac arrhythmias. His basic research focus explores the molecular mechanisms linking diabetes mellitus to atrial fibrillation. Dr. Mesubi is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. His top areas of expertise are Ventricular Fibrillation, Arrhythmias, Atrial Fibrillation, Pacemaker Implantation, and Cardiac Ablation.

Lena Mathews specializes in general cardiology and echocardiography. She received her medical degree from University of Pennsylvania School of Medicine and completed an internal medicine residency at Brigham and Women’s Hospital. She completed fellowships in cardiology and echocardiography at the Johns Hopkins University School of Medicine. Dr. Mathews is rated as an Experienced provider by MediFind in the treatment of Atrial Tachycardia. Her top areas of expertise are Apoplexy, Heart Attack, Heart Failure with Preserved Ejection Fraction (HFpEF), and Atherosclerosis.