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Andres Ruiz, MD, FACC, is a top-ranked, board-certified cardiologist providing state-of-the-art care at South Palm Cardiovascular Associates. He serves patients in Delray Beach, Florida, offering each patient individualized care and attention customized for their specific medical needs and lifestyles. 

As a fellow of the American College of Cardiology, Dr. Ruiz has extensive experience in the diagnosis and management of heart diseases and related conditions, including heart attack, atrial fibrillation, heart failure, heart murmur, high blood pressure, high cholesterol, and pulmonary hypertension. He uses stress testing, echocardiography, angiography, and other advanced techniques to assess patients and manage their care. 

In addition to treating patients with existing diseases, Dr. Ruiz is also skilled in helping patients prevent cardiovascular disease through patient education and interventional approaches aimed at reducing the risks of disease.

Dr. Ruiz completed his medical degree at the Health and Science Institute (CES) in Medellin, Colombia, followed by a residency in internal medicine and a fellowship in cardiovascular disease at the Medical College of Georgia. He then completed another residency in interventional cardiovascular disease at Loyola University. In addition, he has been the recipient of several medical awards and has been widely published in peer-reviewed medical journals.

Dr. Ruiz enjoys the opportunity to care for new patients and looks forward to meeting them.

Mohammed Islam, MD, FACC, is a cardiovascular disease specialist at Gulf Coast Cardiology Group PLLC in Port Arthur, Texas. Dr. Islam trained in Connecticut and New York at the well-known Yale University and Cornell University programs. He did not like the bitter cold of the Northeast Coast and moved to the Port Arthur area. 

He completed three years of internal medicine training and pursued further subspecialty training in cardiovascular diseases for another three years of training. He is board certified in internal medicine as well as cardiovascular disease. He is well trained in preventive cardiology and also board certified in echocardiography and nuclear cardiology.

Dr. Islam is a very compassionate, ever-smiling physician. Caring for patients in need is his prime target. He skillfully encourages people to comply with and follow published and standard recommendations. Besides giving emphasis on preventive cardiology, he enjoys echocardiography, nuclear cardiology, pacemaker placement, and heart failure management.

Dr. Islam has privileges to perform his patient care in all area hospitals, including The Medical Center, St Mary Hospital, and Renaissance Hospital.

Gustavo Cardenas, MD, FACC, is a highly trained and experienced interventional cardiologist and vascular medicine specialist at South Palm Cardiovascular Associates. At the practice in Delray Beach, Florida, he provides direct patient care and consultative services. 

He is dedicated to the prevention, evaluation, and management of cardiac and vascular problems non-invasively and invasively. Dr. Cardenas takes pride in taking the time to listen to his patients, examining them, and establishing personalized care strategies for all of their cardiac and vascular problems.

Dr. Cardenas’ clinical interests include the prevention and management of hypertension, as well as the interpretation of cardiac and vascular tests. He is certified as a hypertension specialist by the American Society of Hypertension and is a registered physician in vascular interpretation. He is also a fellowship-trained vascular and endovascular specialist, treating all types of vascular diseases.

His invasive cardiology interests include minimally-invasive interventional procedures to restore blood flow to blocked coronary and peripheral arteries, treatment of aneurysms, and management of complex cases using advanced technologies. Dr. Cardenas has developed special and unique expertise in the treatment of structural heart diseases, including valvular diseases and procedures to prevent stroke and treat congenital abnormalities.

When clinically indicated, Dr. Cardenas performs coronary procedures through radial access (transradial), an approach that leads to better procedural outcomes and improved patient comfort. He also performs outpatient endovenous ablation for the treatment of varicose veins.

Dr Balakrishnan is a cardiologist and clinical cardiac electrophysiologist at Arizona Heart Arrhythmia Associates. He is thorough, compassionate, and unwavering in his commitment to providing quality care for his patients.

Dr Balakrishnan was born and raised in Coimbatore, India. He completed his medical degree from Coimbatore Medical College and Hospital, India, and moved to the United States to pursue further medical training. He completed his Internal Medicine residency at the University of Arizona College of Medicine - South Campus and his Cardiology and Clinical Cardiac Electrophysiology fellowships at the University of Arizona College of Medicine - Tucson Campus hospitals. He is the recipient of several awards throughout his training, including outstanding performance in Cardiology and Electrophysiology, outstanding graduating fellow in Cardiology, and the Mark J. Friedman Outstanding Fellow Award. He also served as the chief fellow during his Cardiology fellowship at the University of Arizona. He has authored numerous publications in Cardiology and Electrophysiology and has presented at several national and international conferences.

Dr Balakrishnan joined the practice in 2024. He is trained in complex device implants, ablation of atrial and ventricular arrhythmias, and laser lead extractions.

Dr Balakrishnan is a cardiologist and clinical cardiac electrophysiologist at Arizona Heart Arrhythmia Associates. He is thorough, compassionate, and unwavering in his commitment to providing quality care for his patients.

Dr Balakrishnan was born and raised in Coimbatore, India. He completed his medical degree from Coimbatore Medical College and Hospital, India, and moved to the United States to pursue further medical training. He completed his Internal Medicine residency at the University of Arizona College of Medicine - South Campus and his Cardiology and Clinical Cardiac Electrophysiology fellowships at the University of Arizona College of Medicine - Tucson Campus hospitals. He is the recipient of several awards throughout his training, including outstanding performance in Cardiology and Electrophysiology, outstanding graduating fellow in Cardiology, and the Mark J. Friedman Outstanding Fellow Award. He also served as the chief fellow during his Cardiology fellowship at the University of Arizona. He has authored numerous publications in Cardiology and Electrophysiology and has presented at several national and international conferences.

Dr Balakrishnan joined the practice in 2024. He is trained in complex device implants, ablation of atrial and ventricular arrhythmias, and laser lead extractions.

Dr Balakrishnan is a cardiologist and clinical cardiac electrophysiologist at Arizona Heart Arrhythmia Associates. He is thorough, compassionate, and unwavering in his commitment to providing quality care for his patients.

Dr Balakrishnan was born and raised in Coimbatore, India. He completed his medical degree from Coimbatore Medical College and Hospital, India, and moved to the United States to pursue further medical training. He completed his Internal Medicine residency at the University of Arizona College of Medicine - South Campus and his Cardiology and Clinical Cardiac Electrophysiology fellowships at the University of Arizona College of Medicine - Tucson Campus hospitals. He is the recipient of several awards throughout his training, including outstanding performance in Cardiology and Electrophysiology, outstanding graduating fellow in Cardiology, and the Mark J. Friedman Outstanding Fellow Award. He also served as the chief fellow during his Cardiology fellowship at the University of Arizona. He has authored numerous publications in Cardiology and Electrophysiology and has presented at several national and international conferences.

Dr Balakrishnan joined the practice in 2024. He is trained in complex device implants, ablation of atrial and ventricular arrhythmias, and laser lead extractions.

Dr Balakrishnan is a cardiologist and clinical cardiac electrophysiologist at Arizona Heart Arrhythmia Associates. He is thorough, compassionate, and unwavering in his commitment to providing quality care for his patients.

Dr Balakrishnan was born and raised in Coimbatore, India. He completed his medical degree from Coimbatore Medical College and Hospital, India, and moved to the United States to pursue further medical training. He completed his Internal Medicine residency at the University of Arizona College of Medicine - South Campus and his Cardiology and Clinical Cardiac Electrophysiology fellowships at the University of Arizona College of Medicine - Tucson Campus hospitals. He is the recipient of several awards throughout his training, including outstanding performance in Cardiology and Electrophysiology, outstanding graduating fellow in Cardiology, and the Mark J. Friedman Outstanding Fellow Award. He also served as the chief fellow during his Cardiology fellowship at the University of Arizona. He has authored numerous publications in Cardiology and Electrophysiology and has presented at several national and international conferences.

Dr Balakrishnan joined the practice in 2024. He is trained in complex device implants, ablation of atrial and ventricular arrhythmias, and laser lead extractions.

Michael Metzger, MD, FACC, is a fellowship-trained interventional cardiologist, with special expertise and training in vascular medicine and endovascular procedures. At South Palm Cardiovascular Associates in Delray Beach, Florida, he has extensive experience detecting and diagnosing the full range of cardiovascular disorders, and provides effective, individualized treatment to his patients.

Dr. Metzger earned his medical degree at the Sackler School of Medicine at Tel Aviv University in Israel. He then completed his internal medicine residency at Thomas Jefferson University Hospital in Philadelphia, Pennsylvania, before completing a cardiology fellowship at the University of Pittsburgh Medical Center. Afterward, he finished an interventional cardiology fellowship at Lankenau Medical Center in Wynnewood, Pennsylvania. He is board-certified in interventional cardiology, cardiovascular diseases, and internal medicine.

His specialties include the detection and treatment of peripheral arterial disease, as well as diagnosing and treating venous insufficiency. Dr. Metzger is an expert in transradial cardiac catheterization and serves on panels for the “Cardiac Alert” service, which provides prompt interventional services for patients entering the emergency room with heart attacks.

Shahnaz Begum, MD, FACC, is a Board-certified cardiovascular disease specialist. She is an experienced physician who has been practicing cardiology for over 15 years. 

Dr. Begum received her medical degree from State University of New York (SUNY) Downstate Medical College in New York. She subsequently completed 3 years of training in Internal Medicine followed by another 3 years of specialized training in Cardiovascular disease/cardiology. She then worked at SUNY Downstate as a faculty physician and Assistant Professor of Cardiology until she moved to Dallas. After that she worked at Texas Health Resource and Plano Presbyterian Hospital for several years as an attending Cardiologist. Since then, she has been providing outstanding cardiac care at Heart Care located in Frisco, Texas. 

Dr. Begum has exceptional knowledge and skills. She excels in diagnosing and treating heart conditions including heart failure, coronary artery disease (CAD), valvular heart disease, arrhythmias, and many more. She also believes in prevention and therefore focuses on hypertension, cholesterol and multiple other conditions that can lead to heart diseases.  

In addition to assuring that her patients benefit from cutting-edge new technology, Dr. Begum is compassionate and values their time. She ensures patients have a minimal wait while maximizing the time she spends with each person. She is an excellent listener and her patients love her for her thoroughness and personalized care that she provides to them.

At Heart Care, Dr. Begum offers exceptional care and ensures that her patients’ concerns are properly addressed. She welcomes her patients and looks forward to improving their heart health.

Charles Harring III, MD, FACC, is a board certified cardiologist at South Palm Cardiovascular Associates in Delray Beach, Florida. He is a fellow of the American College of Cardiology. 

Dr. Harring graduated from Florida State University, majoring in biological sciences, and earned his medical degree from the University of Florida College of Medicine. He completed his residency at Carolinas Medical Center in Charlotte, North Carolina, followed by a cardiology fellowship at the University of South Florida. Dr. Harring’s training included proficiency in general cardiology, echocardiography, nuclear cardiology, and cardiac catheterization, with subspecialization in pacemaker and implantable defibrillator placement.

Upon completing his fellowship, Dr. Harring started working in private practice with Mid Carolina Cardiology in Charlotte, North Carolina. While working for one of the largest cardiology groups in the country, he maintained an invasive practice, performing all modalities of cardiovascular care. While Dr. Harring continued to battle all aspects of cardiovascular disease, he became attentive to catching diseases before events happened. It was at this time he was first exposed to the developing practice of preventive cardiology.

Dr. Harring joined the team at South Palm Cardiovascular Associates for social reasons, and his focus changed from a more non-invasive practice to prevention. As a clinical cardiologist, including echo and nuclear cardiology, he has developed extensive growth and training in the science of advanced lipidology. His memberships in the National Lipid Association and American Society of Preventative Cardiologists have continued to form a backbone for his continued education.

His future direction and desires include developing an integrative cardiology practice, incorporating not only traditional allopathic teachings but also blending functional and holistic approaches.

Dr. Tung earned his Medical Degree from Loyola University Chicago Stritch School of Medicine. He completed his post-graduate training in Internal Medicine and Cardiology at North Shore- Long Island Jewish Medical Center. Dr. Tung is well-known for his sincere approach to patient care. He is an expert in all facets of non-invasive cardiology, including echocardiography, exercise treadmill stress test, nuclear myocardial perfusion scan, and peripheral vascular duplex (carotid, abdominal aorta, renal artery, and upper/lower extremity). Currently, he is the Medical Director of Nuclear Cardiology Imaging for our ICANL facility accreditation. Dr. Tung is board certified in Internal Medicine, Echocardiography, Nuclear Cardiology, Cardiovascular Diseases, and Cardiovascular CT.