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 a Distinguished provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Heart Bypass Surgery, and Coronary Artery Bypass Graft (CABG).

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

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 an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Atrial Fibrillation, Arrhythmias, Cardiomyopathy, Cardiac Ablation, and Heart Transplant.

Maurizio Colognesi is a Cardiologist in Baltimore, Maryland. Dr. Colognesi is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Heart Failure, Heart Attack, Apoplexy, and Inappropriate Sinus Tachycardia (IST).

Dr. Allison Hays is a general cardiologist and Medical Director of Echocardiography Programs at the Johns Hopkins Hospital. She is also an assistant professor at the Johns Hopkins University School of Medicine. Dr. Hays graduated from Stanford University with degrees in biology and English. She received her medical training at the Columbia University College of Physicians and Surgeons and did her residency at the New York Presbyterian Hospital at Columbia. Dr. Hays pursued cardiology fellowships at New York University Medical Center and at the Johns Hopkins University School of Medicine. Dr. Hays studies ways to use noninvasive imaging to detect cardiovascular disease. She has advanced multimodality imaging training from Johns Hopkins and attends in the Adult Echocardiography Lab at Johns Hopkins Hospital. In terms of research, she uses Cardiac MRI as a tool to study coronary and systemic endothelial function. Dr. Hays is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). Her top areas of expertise are Familial Ventricular Tachycardia, Cardiomyopathy, COVID-19, Heart Attack, and Tissue Biopsy.

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 Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Heart Attack, Atherosclerosis, Coronary Heart Disease, Apoplexy, and Percutaneous Coronary Intervention (PCI).

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 Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Coronary Artery Bypass Graft (CABG), and Heart Bypass Surgery.

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 Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Apoplexy, Heart Attack, Arterial Embolism, Inappropriate Sinus Tachycardia (IST), and Pacemaker Implantation.

Dr. Monica Mukherjee is an adult cardiologist and an Associate Professor of Medicine at the Johns Hopkins University Division of Cardiology and specializes in advanced cardiac imaging. She serves as Medical Director of the Echocardiography Lab at Johns Hopkins Bayview Medical Center, and as Associate Director of the Johns Hopkins Echocardiography program across the institution. Dr. Mukherjee graduated Summa Cum Laude with dual Bachelors of Science in Psychology and Behavioral Neurosciences from the University of Florida. She received her Doctorate in Medicine from the George Washington University in Washington, DC, and internal medicine residency at Drexel University, before returning to George Washington to complete her fellowship in cardiovascular disease. She has a MPH from the Johns Hopkins Bloomberg School of Public Health with a special concentration in Epidemiological and Biostatistical Methods for Public Health and Clinical Research. Dr. Mukherjee has an accomplished academic career with multiple research awards focused on right ventricular remodeling in heart failure, pulmonary hypertension, and scleroderma. She was the recipient of the 2020 Johns Hopkins University Clinician Scientist Award and also has been funded by the National Institutes of Health, the Scleroderma Foundation, and the CHEST Foundation. She was awarded the Top 25 Young Investigators Award from the American Society of Echocardiography in 2016. Dr. Mukherjee is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). Her top areas of expertise are Pulmonary Hypertension, Heart Attack, Systemic Sclerosis (SSc), Tissue Biopsy, and Pacemaker Implantation.

Dr. Johnston joined the Cardiology Faculty in 2008 and currently practices Interventional Cardiology at Johns Hopkins Hospital, Bayview Medical Center, and Johns Hopkins Howard County Medical Center. His primary research interest is in novel therapies for heart failure and he is involved in both clinical trials and pre-clinical studies currently underway at Johns Hopkins. Dr. Johnston is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, Bone Marrow Aspiration, and Percutaneous Coronary Intervention (PCI).

"Originally from Wisconsin, Dr. Czarny attended the University of Wisconsin where he majored in molecular biology. After medical school at the Johns Hopkins University School of Medicine, he completed an internal medicine residency at the Brigham and Women’s Hospital in Boston followed by cardiovascular disease, interventional cardiology, and structural heart disease fellowships at Johns Hopkins. Currently, he is a faculty member in interventional cardiology and performs heart catheterizations and coronary artery stenting for patients with stable coronary artery disease (CAD) and myocardial infarctions (""heart attacks"") at both the Johns Hopkins Hospital and the Johns Hopkins Bayview Medical Center. He is also a member of the Structural Heart Disease team and performs minimally invasive, catheter-based treatments for structural heart disease at the Johns Hopkins Hospital including transcatheter aortic valve replacement (TAVR) for aortic valve stenosis, valve repair/replacement procedures for mitral valve regurgitation and stenosis, patent foramen ovale closure, atrial septal defect closure, alcohol septal ablation for hypertrophic cardiomyopathy, and left atrial appendage occlusion with the Watchman(TM) device. He sees patients in his structural heart disease clinics at both the Johns Hopkins Hospital and the Johns Hopkins Bayview Medical Center. Dr. Czarny's research interests include the safety of cardiac stenting at hospitals without cardiac surgery backup and outcomes of catheter-based structural heart procedures.". Dr. Czarny is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Aortic Valve Stenosis, Apoplexy, Heart Attack, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

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 Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.

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 Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Atrial Fibrillation, Atrioventricular Nodal Reentrant Tachycardia (AVNRT), Arrhythmias, Cardiac Ablation, and Heart Transplant.

Jon R. Resar received his M.D. from the Medical College of Wisconsin in 1985. He completed an internal medicine residency at The Johns Hopkins Hospital and fellowships in cardiovascular medicine and interventional cardiology at The Johns Hopkins Hospital and Johns Hopkins University School of Medicine. He joined the faculty at Johns Hopkins in 1992 and is currently a Professor of Medicine/Cardiology. He was the past Director of the Adult Catheterization Laboratory and Interventional Cardiology at the Johns Hopkins Hospital. His field of specialization is management of coronary artery disease and valvular heart disease. Dr. Resar holds memberships in the American Heart Association and is a Fellow of the American College of Cardiology. Dr. Resar is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Aortic Valve Stenosis, Heart Attack, Atrial Septal Defect (ASD), Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Dr. Emmanouil Tampakakis is an Assistant Professor of Medicine at Johns Hopkins University School of Medicine as well as an attending physician at Johns Hopkins Hospital. His research focuses on Stem Cell Biology and Heart Development and Regeneration. Specifically, Dr. Tampakakis lab aims to understanding the biology and regenerative potential of stem cell-derived cardiomyocytes and uses human induced pluripotent stem cells and animal models to model human cardiac disease and deciphering the mechanisms of cardiac maturation. Dr. Tampakakis also holds a cardiology fellowship at Johns Hopkins Hospital. Dr. Tampakakis received his undergraduate degree and M.D. from the University of Crete. He completed an internal medicine residency at Boston University Medical Center. Prior to joining Johns Hopkins in 2012, Dr. Tampakakis was a research fellow in Dr. J. Vita’s laboratory of Vascular Biology at Boston University School of Medicine. At Johns Hopkins, he was a post-doc in the labs of Drs Chulan Kwon and David Kass. Dr. Tampakakis is the recipient of several awards including the AHA outstanding early career investigator award and the ACC Presidential Career Development Award and has received funding from the AHA and the NIH. Videos Meet Our Expert - Emmanouil Tampakakis Recent News Articles and Media Coverage Hopkins researchers discover newborn rats hold secret to manufacturing human heart cells., The Baltimore Sun, (February 11, 2017). Dr. Tampakakis is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Heart Attack, Apoplexy, Arterial Embolism, and Heart Failure.

Thorsten Leucker is a Cardiologist in Baltimore, Maryland. Dr. Leucker is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Apoplexy, Heart Attack, Heterozygous Familial Hypercholesterolemia (HeFH), and Homozygous Familial Hypercholesterolemia (HoFH).

Dr. Katherine Wu is a general cardiologist for the Heart and Vascular Institute at Johns Hopkins Medicine with an interest in caring for patients with cardiomyopathies, coronary artery disease, and valvular heart disease as well as those interested in cardiovascular prevention. She has additional expertise in non-invasive cardiology imaging techniques. Dr. Wu received her medical degree from the University of Pennsylvania Health System School of Medicine, and completed her residency and a cardiology fellowship at the Johns Hopkins University School of Medicine. She joined the School of Medicine faculty in 2000. Dr. Wu's research interests include improving individualized risk prediction for sudden cardiac death and heart failure by developing and validating methods that incorporate novel cardiac imaging indices. Her lab is funded by the NIH/NHLBI. Dr. Wu has more than 70 peer-reviewed publications and serves on the editorial board of the Journal of Cardiovascular Magnetic Resonance and Circulation Cardiovascular Imaging and is a standing member of the NIH Clinical and Integrative Cardiovascular Sciences Study Section. Dr. Wu is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). Her top areas of expertise are Cardiomyopathy, Atrial Fibrillation, Heart Attack, and Pulmonary Hypertension.

Rani Hasan is an Interventional Cardiologist in Baltimore, Maryland. Dr. Hasan is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Aortic Valve Stenosis, Apoplexy, Heart Attack, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).

Dr. Chiadi Ndumele is the Director of Obesity and Cardiometabolic Research, Director of the Heart Failure Prevention Program and Associate Professor of Medicine and Epidemiology in the Division of Cardiology at Johns Hopkins University. Dr. Ndumele is a preventive cardiologist with doctorate level training in epidemiology, who leads a research program related to characterizing the relationship of obesity and cardiometabolic risk factors with the development of cardiovascular disease, with a particular focus on heart failure risk, and to refining strategies for cardiovascular disease prevention. His work additionally addresses the impact of social determinants of health on cardiometabolic risk factors and downstream cardiovascular outcomes. Dr. Ndumele received his M.D. from Harvard University and his Internal Medicine training at Brigham and Women’s Hospital, where he also served as Chief Medical Resident. He subsequently trained in Cardiology at Johns Hopkins University, where he was also Chief Cardiology Fellow in his final year and where he also received his MHS and PhD in Epidemiology. Dr. Ndumele’s research has been supported by multiple grants from the NIH, Robert Wood Johnson Foundation and the American Heart Association (AHA). He is Chair of the Council on Lifestyle and Cardiometabolic Health of the AHA, Past Chair of the AHA Obesity Committee, and Co-Chair of the AHA Cardiovascular-Kidney-Metabolic Health Initiative. Dr. Ndumele is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Atherosclerosis, Heart Failure, Heart Failure with Preserved Ejection Fraction (HFpEF), and Metabolic Syndrome.

Charles Love is director of the Johns Hopkins Cardiac Rhythm Device Service. Dr. Love is one of the foremost international authorities on pacemaker and implantable cardioverter defibrillator implantation and management. He manages patients with all types of heart rhythm disorders and has particular interest in lead extraction and lead management strategies, with an emphasis on new tools to reduce complications and strategies to reduce infection. Dr. Love is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His top areas of expertise are Arrhythmias, Sick Sinus Syndrome, Ventricular Tachycardia, Pacemaker Implantation, and Cardiac Ablation.