Dr. Keith Bruce is a native of Cleveland, Tennessee. He is board certified in internal medicine, cardiovascular, and clinical cardiac electrophysiology.Dr. Bruce specializes in the treatment of cardiac arrhythmias, ablation, heart rhythm disorders, and implantable cardiac devices. He is currently participating in a national trial on atrial fibrillation and has previously participated in multiple preclinical trials for implantable devices and preclinical drug trials.Dr. Bruce is the recipient of numerous significant awards including the Mayo Clinic’s Cardiovascular Diseases Outstanding Achievement Award in 2005. He has made numerous national and international presentations on cardiac topics. Dr. Bruce is rated as a Distinguished provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Arrhythmias, Dilated Cardiomyopathy (DCM), Atrial Fibrillation, Pacemaker Implantation, and Cardiac Ablation.

Kinsman Wright is a Cardiologist in Chattanooga, Tennessee. Dr. Wright is rated as a Distinguished provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Long QT Syndrome, and Long QT Syndrome 3.

Dharmendrakumar Patel is a Cardiologist in Chattanooga, Tennessee. Dr. Patel is rated as a Distinguished provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Long QT Syndrome, Long QT Syndrome 5, Timothy Syndrome, Pacemaker Implantation, and Aortic Valve Replacement.

Harish Manyam is a Cardiologist in Chattanooga,, Tennessee. Dr. Manyam is rated as a Distinguished provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Paroxysmal Supraventricular Tachycardia (PSVT), Pacemaker Implantation, and Cardiac Ablation.

Patrick Stevens is a Cardiologist in Chattanooga,, Tennessee. Dr. Stevens is rated as a Distinguished provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Mitral Valve Regurgitation, Necrosis, Heart Failure, Pacemaker Implantation, and Transcatheter Aortic Valve Replacement (TAVR).

Joseph Zenisek is a Cardiologist and an Interventional Cardiologist in Chattanooga, Tennessee. Dr. Zenisek has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Angina, Coronary Heart Disease, Atherosclerosis, Heart Failure, and Heart Bypass Surgery. Dr. Zenisek is currently accepting new patients.

Dr. Gregg Shander’s research on the heart’s electrical functions adds a new dimension to The Chattanooga Heart Institute’s renowned electrophysiology expertise. Dr. Shander has been interested in heart rhythm disturbances since he was in medical school. He received the Stanley J. Sarnoff award for cardiovascular research through which he studied rhythm disturbances. He transferred this interest from research into the care of his patients.Dr. Shander earned his doctor of medicine degree at the University of Pittsburgh School of Medicine in Pittsburgh, Pennsylvania, and completed his internal medicine internship and residency at the University of Chicago Hospital. He performed research involving arrhythmias at the University of Amsterdam, The Netherlands, and the University of Chicago. He completed his general cardiology and electrophysiology fellowships at Duke University Medical Center in Durham, North Carolina, where he received further training in cardiac pacing and clinical electrophysiology including radiofrequency ablation.Dr. Shander received the American Heart Association Basic Sciences Research Award from the Chicago Chapter. He has also presented before the American Heart Association’s scientific sessions and at numerous other cardiovascular research symposiums. He has been published in the Journal of Cardiovascular Electrophysiology, the Journal of American Physiology, the Journal of Molecular and Cellular Cardiology, and the supplement to the American Heart Association’s journal, Circulation.|Dr. Shander, his wife, and two children enjoy spending time doing activities as a family. Dr. Shander is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Dilated Cardiomyopathy (DCM), Pacemaker Implantation, and Cardiac Ablation.

Dr. Kelly Richardson is a highly experienced physician-scientist and cardiac electrophysiologist with The Chattanooga Heart Institute. She specializes in Cardiology and Electrophysiology, Dr. Richardson is board-certified by the American Board of Internal Medicine in both Cardiovascular Disease and Clinical Cardiac Electrophysiology.A native of Chattanooga, she started her journey by earning her Bachelor of Science degree with highest distinction from the University of North Carolina at Chapel Hill before graduating with high honors from Vanderbilt Medical School. She then completed her Internal Medicine residency at Massachusetts General Hospital and Harvard Medical School in Boston.Because of her passion for cardiology, Dr. Richardson pursued fellowships in Cardiology and Cardiac Electrophysiology at Stanford University, as well as a fellowship in Biodesign, which combined medicine and engineering. Prior to joining The Chattanooga Heart Institute and returning to Chattanooga, she served as a cardiac electrophysiologist and clinical instructor in the San Francisco Bay area.Dr. Richardson believes in the importance of educating her patients about their diagnoses and treatment options. She empowers patients to make informed decisions that align with their wishes. Her journey into medicine stemmed from a love of science and a desire to help others, which she finds fulfilling.She is passionate about her specialty and chose cardiology and specifically electrophysiology because it combines complex problem-solving with hands-on procedures. The field is constantly evolving, especially with advancements in ablation technology, which is both exciting and rewarding.Outside of her professional life, Dr. Richardson enjoys hiking with her husband and children, traveling, and playing tennis. Dr. Richardson is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. Her top areas of expertise are Atrial Fibrillation, Fainting, Ectopic Heartbeat, Pacemaker Implantation, and Cardiac Ablation.

Dr. Samuel Jones is a cardiologist specializing in cardiology and electrophysiology at The Chattanooga Heart Institute. Dr. Jones is board-certified in Cardiovascular Diseases, Clinical Cardiac Electrophysiology and in Internal Medicine. He retired as a Colonel from the United States Air Force and came to Chattanooga from San Antonio Military Medical Center.Dr. Jones earned his medical degree from the University of Alabama at Birmingham and an undergraduate degree from the United State Air Force Academy in Colorado Springs, Colorado. He completed a fellowship in Cardiovascular Disease at Lackland Air Force Base in Texas and a fellowship in Clinical Cardiac Electrophysiology at Brigham and Women’s Hospital in Boston while earning a master’s degree in public health from the Harvard School of Public Health. Dr. Jones had a distinguished military career having served as a Cardiology Consultant and Chief Consultant of Internal Medicine Services to the Air Force Surgeon General. He served as a flight surgeon while based at Eglin Air Force Base in Florida and in Saudi Arabia.|Fascinated by science and fueled by a desire to help relieve suffering, Dr.Jones found cardiology and electrophysiology to be the most intriguing subjects. Cardiology will continue to have incredible technological advances. When working with patients, Dr. Jones stresses each encounter needs to be ethical in terms of acting in the best interest of the patient, treating all patients fairly, and respecting their own right to make their decisions.Outside of work, Dr. Jones enjoys playing golf with his sons, or doing anything with his family. Dr. Jones is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Sick Sinus Syndrome, Pacemaker Implantation, and Cardiac Ablation.

Dr. Newton Wiggins is board certified in Internal Medicine and Cardiovascular Diseases and also holds a specialized board certification in Electrophysiology. He completed his fellowship in cardiology at the Cleveland Clinic where he was Chief Fellow. He also served as a Clinical Instructor of Medicine at the Cleveland Clinic Lerner College of Medicine. Dr. Wiggins is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Atrial Fibrillation, Ectopic Heartbeat, Dilated Cardiomyopathy (DCM), Pacemaker Implantation, and Cardiac Ablation.

Dr. Allen Atchley is board certified in Internal Medicine and Cardiovascular Diseases and also holds specialized board certifications in Echocardiography, Nuclear Cardiology and is a Registered Physician in Vascular Interpretation, Vascular Ultrasound. He completed his fellowship in cardiology at Duke University Medical Center where he further pursued advanced training with a specialized fellowship in non-invasive cardiovascular imaging. Dr. Atchley also completed his internship and residency in Internal Medicine at Duke.Dr. Atchley performed the first 3D Transesophageal Echo (TEE) in Chattanooga in March of 2011 and is one of only a few cardiologists level 3 trained in echocardiography and nuclear cardiography in the area. While at Duke University, he participated in research focused on echo and nuclear cardiology.Dr. Atchley and his wife have four young children—twin girls, a daughter one year younger and the youngest, a son. His leisure time is spent enjoying activities with his family. Dr. Atchley is a former All-American golfer. Dr. Atchley is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Mitral Valve Regurgitation, Coronary Heart Disease, Atherosclerosis, Heart Bypass Surgery, and Pacemaker Implantation.

Dr. William (Bill) Warren is a cardiologist specializing in non-invasive and imaging cardiology. He is board-certified in Internal Medicine, Cardiovascular Disease, Nuclear Cardiology, and Echocardiography. Dr. Warren graduated summa cum laude from Princeton University, earned his Doctor of Medicine degree at Harvard Medical School, completed his internal medicine internship and residency at Massachusetts General Hospital, and finished a cardiology fellowship at Johns Hopkins Hospital. His areas of focus include a wide range of cardiovascular conditions and treatments, with expertise in non-invasive diagnostic studies.Since joining The Chattanooga Heart Institute in 2003, Dr. Warren has become a valued leader at CHI Memorial and in the Chattanooga medical community. He currently serves as managing partner of The Chattanooga Heart Institute, where he collaborates with over 30 colleagues. He previously chaired the CHI Memorial Board of Directors.Dr. Warren possesses a broad range of clinical interests and expertise. His dedication to patient care stems from a deep love of science combined with a genuine ability to connect with patients on a personal level. The complexity and diverse treatment options within cardiovascular care drew him to this field, allowing him to help critically ill patients recover and thrive. He was the recipient of CHI Memorial’s inaugural St. Luke’s Healer’s Heart award which recognizes physicians and providers for demonstrating compassion, inclusion, integrity, excellence and collaboration.Dr. Warren's commitment extends beyond clinical practice. He has conducted research studies which have been published in prestigious journals including the American College of Cardiology Current Journal Review, Circulation, Journal of Infectious Diseases, Journal of Clinical Microbiology, and Journal of Clinical Research.Away from work, Dr. Warren enjoys nature photography and travel. He has visited all seven continents. Dr. Warren is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, Pacemaker Implantation, and Heart Bypass Surgery.

Dr. Lehman is board certified in Cardiovascular Disease and specializes in imaging cardiology. He came to Chattanooga Heart from Duke University Health System in Durham, NC. Dr. Lehman completed a fellowship and residency in Cardiovascular Disease at Duke University. He received his medical degree from Duke University School of Medicine and a Master’s of Public Policy, Concentration in Health Policy from Duke University Sanford School of Public Policy. He graduated summa cum laude from Georgetown University with a Bachelor’s of Science, Biology, where he had the highest GPA for all bachelor of science degrees. He served as a congressional aid on Capitol Hill. Dr. Lehman is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Mitral Valve Regurgitation, Aortic Regurgitation, Necrosis, and Arterial Embolism.

Lisa Carkner is a Cardiologist in Chattanooga, Tennessee. Dr. Carkner is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. Her top areas of expertise are Mitral Valve Regurgitation, Necrosis, Aortic Regurgitation, Coronary Heart Disease, and Pacemaker Implantation. Dr. Carkner is currently accepting new patients.

Dr. Ondrej Lisy completed his internship and internal medicine residency at the Mayo Clinic College of Medicine in Rochester, MN. Also at the Mayo Clinic in Rochester, he completed his fellowship in cardiovascular diseases with the clinician investigator track which was followed by additional fellowship training in cardiac imaging. He received his medical degree and Ph.D. degree in cardiovascular physiology from Charles University in Prague, Czech Republic, prior to accepting the Assistant Professor of Medicine position at the Mayo Medical School.He received numerous awards while at the Mayo Clinic including the Young Investigator Award of the Heart Failure Society of America and the American College of Physicians and Donald C. Balfour Award of the Mayo Clinic Alumni Association for Meritorious Research. Dr. Lisy has been published in numerous medical journals including Circulation, Journal of the American College of Cardiology, Hypertension, American Journal of Physiology and Kidney International. Dr. Lisy has been involved in cutting edge research on heart failure for many years including designing peptides for heart failure treatment.Dr. Lisy has expertise in noninvasive cardiology and cardiac imaging modalities after he did his advanced specialty training in nuclear cardiology and echocardiography. He has been instrumental in establishing the Cardiac PET Program at Memorial Hospital where he has served since 2018 as the medical director of the Nuclear Cardiology Laboratory. Dr. Lisy is board certified in cardiology, internal medicine and nuclear cardiology. He is a Fellow of the American College of Cardiology. Dr. Lisy is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Mitral Valve Regurgitation, Necrosis, Arterial Embolism, Coronary Heart Disease, and Heart Bypass Surgery.

Brandon Morrical is a Pediatric Cardiologist in Chattanooga, Tennessee. Dr. Morrical is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Patent Ductus Arteriosus, Ventricular Septal Defects, Heart Murmurs, Patent Foramen Ovale, and Stent Placement.

James Raulston is a Pediatric Cardiologist in Chattanooga,, Tennessee. Dr. Raulston is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Patent Ductus Arteriosus, Heart Murmurs, Ventricular Septal Defects, and DiGeorge Syndrome.

Wesley Davis is a Pediatric Cardiologist in Chattanooga,, Tennessee. Dr. Davis is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Patent Ductus Arteriosus, Ventricular Septal Defects, X-Linked Cardiac Valvular Dysplasia, and Cardiac Diverticulum.

Joseph Pendley is a Cardiologist in Chattanooga,, Tennessee. Dr. Pendley has been practicing medicine for over 10 years and is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Inappropriate Sinus Tachycardia (IST), Familial Ventricular Tachycardia, Heart Attack, and Arrhythmias.

Michael Mikolaj is a Cardiologist in Chattanooga,, Tennessee. Dr. Mikolaj has been practicing medicine for over 17 years and is rated as an Advanced provider by MediFind in the treatment of Familial Ventricular Tachycardia. His top areas of expertise are Pediatric Myocarditis, Necrosis, Aortic Regurgitation, Pacemaker Implantation, and Transcatheter Aortic Valve Replacement (TAVR).