Areas of Interests
Education
Experience
Dr. med. David Weidenauer is a Vienna-based specialist in internal medicine and cardiology. He studied medicine from 2007 to 2013. He completed specialist training in internal medicine and a subspecialty in cardiology.
He focuses on the prevention, diagnosis, and treatment of cardiovascular diseases. His areas include arrhythmias, hypertension, cardiomyopathies, coronary artery disease, and heart failure. He is experienced in echocardiography, Holter monitoring, and stress testing. He provides guideline-based therapies and offers preventive, patient-centered care at Wiener Privatklinik and associated centers.
Dr. Finkelshtein Arik is an experienced interventional cardiologist. He specializes in complex heart procedures, including coronary artery bypass grafting, aortic aneurysm surgery, and transcatheter aortic valve implantation. He is known for his research on high-risk patients with severe aortic stenosis. Dr. Arik has also introduced advanced technology in aortic valve replacement.
He has performed over 100 successful catheterizations using new aortic valve replacement methods. These techniques provide minimally invasive options instead of open-heart surgery and improve patient recovery. Dr. Arik is a member of the Israel Medical Association, the Israel Heart Society, and the European Association of Percutaneous Cardiovascular Interventions (EAPCI).
Dr. Naresh Kumar Biyani is a highly experienced Pediatric Neurosurgeon with 16+ years of experience, specializing in the management of Hydrocephalus Treatment, Spinal Dysraphism, Tethered Cord Syndrome, Cranial Dysraphism, Pediatric Neuro-Oncology, Epilepsy Surgery, and Microneurosurgery. He is a member of National Academy of Medical Sciences Neurological Society of India and Maharashtra Medical Council, with qualifications including M.B.B.S, M.S (General Surgery), D.N.B (General Surgery), M.Ch (Neuro–Surgery), D.N.B (Neuro–Surgery), and M.N.A.M.S. He has 30+ scientific publications and chapters in books, and is a celebrated speaker at national conferences.
Dr. Bella Koifman is a highly experienced and qualified cardiologist, specializing in the study and treatment of various types of heart disorders. She has extensive experience in research and clinical practice, and is currently the Head of the Department of Echocardiography of the Department of Cardiology at Hospital Ichilov in Tel Aviv, Israel.
Dr. Arbel Yaron is a senior interventional cardiologist with over 15 years of experience. He specializes in coronary and structural heart diseases. His expertise includes treating complex valve disorders. Dr. Yaron performs advanced procedures such as endovenous radiofrequency ablation (EVRF), coronary artery stenting, and pacemaker implantation.
He has published more than 200 articles in leading international journals. This highlights his strong role in clinical research. Dr. Yaron graduated with distinction in cardiology and internal medicine from Tel Aviv Medical Center. He holds board certifications in both fields. He is an active member of the European Cardiology Federation and the American College of Cardiology.
Dr. Christoph W. Kopp is an Austrian cardiologist and angiologist with over 20 years of experience in interventional medicine. He has performed vascular interventions since 2001 and interventional cardiology since 2007. He has worked at Wiener Privatklinik since 2004, where he diagnoses and treats cardiovascular diseases.
He combines clinical work with research. He has contributed to international studies and publications and has introduced modern catheter‑based techniques. His expertise includes cardiology, angiology, and preventive medicine.
Dr. Victor Alexander Krol - Chief of Gastroenterology, Internal Medicine and Obesity Treatment Center at Martinus Hospital
Dr. Victor Alexander Krol is a highly qualified specialist, heading the departments of gastroenterology and internal medicine. With many years of experience and deep knowledge in his field, Dr. Krol has established himself as an outstanding expert, providing patients with comprehensive treatment and an individual approach. He actively uses the latest methods of diagnosis and treatment of diseases of the gastrointestinal tract, metabolism, as well as diseases of the cardiovascular and respiratory systems.
Dr. Krol is also the director of the certified Obesity Treatment Center at Martinus Hospital, which provides surgical and endoscopic treatments for obesity. The center uses advanced technology to diagnose and treat obesity (adiposis), including methods such as bariatric surgery, endoscopic weight loss, and specialized programs for patients with different stages of obesity. The center is certified to high standards and has excellent results in the treatment of this serious disease.
The Gastroenterology Department, headed by Dr. Krol, diagnoses and treats diseases of the stomach, intestines, liver, pancreas, and gallbladder. The doctors of the department use a wide range of methods, including endoscopic procedures, ultrasound, and other modern diagnostic technologies.
The Department of Internal Medicine covers a wide range of diseases, including cardiology, diabetology, infectology, and therapy of respiratory and renal diseases. Dr. Krol and his team provide a comprehensive approach to treatment using the most advanced methods of medicine.
Thanks to his high professionalism and humane approach to each patient, Dr. Krol deservedly enjoys the respect of colleagues and patients.
Dr. Marc Ulrich Becher is an interventional cardiologist and heart failure specialist at Städtisches Klinikum Solingen. He is known for performing advanced procedures such as coronary angiography, radiofrequency ablation with 3D mapping, carotid angioplasty, and stenting.
Dr. Becher’s clinic carries out about 3,000 to 4,000 diagnostic and therapeutic procedures each year. These include complex coronary interventions, catheter-based valve replacements, and structural heart procedures. He is experienced in using advanced imaging techniques like IVUS and OCT for accurate diagnosis and treatment planning.
Dr. Becher is dedicated to providing thorough and compassionate care. He uses modern therapies for both acute and chronic cardiovascular diseases, focusing on patient safety and positive outcomes.
He is an expert in cardiac arrhythmia, pacemaker implantation, internal defibrillators and catheter ablation; and he conducts diagnostic electrophysiological studies.
He also carries out extensive teaching work as a Senior Lecturer of the Medicine Department of the Malaga University, where he teaches the subject Diseases of the Circulatory and Respiratory Systems to fourth-year medical students.
He is the author of over 100 scientific publications in influential journals. At the same time, he has contributed to the preparation of clinical practice guides and is the author of 23 books and chapters of scientific titles in the speciality.
Professional experience
University Degree in Medicine and Surgery (1978) obtained at the Zaragoza University.
Degree as Doctor in Medicine by the Zaragoza University with final thesis “Cardiac Automatism and Conduction in a Model of Experimental Heterotopic Cardiac Transplantation. Effects of Verapamil”, which obtained a cum laude award.
Training as a Resident Doctor in Cardiology at Clínica Puerta de Hierro in Madrid (1979-1984).
Cardiology Medical Consultant and the Head of the Arrhythmia Unit at Clínica Puerta de Hierro (1985-1992).
Other positions:
Coordinator of the Implantable Defibrillator working team of the Spanish Cardiology Society (2009 – 2016).
Member of the European Society of Cardiology.
Member of the European Heart Rhythm Association.
Member of the Spanish Cardiology Society.
Member of the Andalusian Cardiology Society.
Member of the Editorial Committee of the Spanish Cardiology Journal.
Member of the Editorial Committee of Cardiocore.
Member of the Editorial Committee of Cardiac Stimulation Notebooks.
The Cardiology Unit of Quirónsalud Marbella Hospital is made up of a medical team with large experience in the diagnosis and treatment of heart diseases, as well as employing the most advanced technologies, both in the clinical area and in the area of haemodynamics and arrhythmia.
Diseases, treatments and techniques:
- Adult and children cardiology consultation with the performance of supplementary tests, all within one appointment.
- Specific consultations for arrhythmia
- Paedriatic cardiology
- Colour Doppler echocardiography and stress echocardiography
- Stress test
- 24-hour and long-term Holter EKG
- CT coronary angiogram
- Cardiac magnetic resonance imaging (MRI)
- Tilt table testing
- Cardiac rehabilitation
Cardiac haemodynamics
- Diagnostic cardiac catheterisation and percutaneous treatment of ischaemic heart disease with angioplasty and stent implant
- Myocardial infarction percutaneous treatment programme
- Transcatheter aortic valve implantation (TAVI)
- Percutaneous repair of the mitral valve (Mitral clip)
- Percutaneous closure of interatrial communication
- Percutaneous closure of left atrial appendage
Arrhythmia Unit
- Diagnostic electrophysiological study
- Catheter ablation
- Cryoablation of atrial fibrillation
- Ablation using a complex arrhythmic substrate navigator
- Pacemaker implantation
- Automatic endovenous and subcutaneous implantable
defibrillator
Cardiac surgery
- Surgery with and without extracorporeal circulation
- Minimally-invasive surgery with an early extubation
Experience
2019 - 2022
University of Health Sciences, Faculty of Medicine, Ankara City Hospital, Cardiology Clinic, Ankara
2017 - 2019
University of Health Sciences, Faculty of Medicine, Turkey Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
2012 - 2017
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
2012 - 2017
T.R. Karabük University, Faculty of Medicine, Department of Cardiology
2006 - 2006
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
2001 - 2006
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
1996 - 2001
Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic, Ankara,
Education
2017 Karabük University, Faculty of Medicine, Department of Cardiology
2006 Türkiye Higher Specialization Training and Research Hospital, Cardiology Clinic
2001 Türkiye Higher Specialization Training and Research Hospital, Ankara, Cardiology
1996 Ankara University, Faculty of Medicine
Dr. Gabriel Crasmariu is an interventional cardiologist with advanced expertise in minimally invasive treatments for cardiovascular disease. He is a member of the Romanian Society of Cardiology and the European Society of Cardiology.
He performs coronary angiography and angioplasty with stent placement. His focus includes complex coronary artery disease, peripheral arterial disease, renal denervation, and TAVI. He also provides specialized heart failure assessments. He takes part in multidisciplinary decisions for patients who may need cardiac surgery.
Dr. Humayun Kakar is a cardiologist. He earned his medical degree from Eskişehir Osmangazi University between 2007 and 2014. He completed his cardiology residency at İzmir Dokuz Eylül University from 2015 to 2020. In 2024, he received advanced training in heart failure at the University of Zurich in Switzerland.
He has worked at İzmir Ekonomi Üniversitesi Medical Point Hospital and Konya Cihanbeyli State Hospital. He also took part in advanced heart failure education at the University of Zurich.
Dr. Kakar is a member of several professional organizations. These include the European Society of Cardiology, Turkish Society of Cardiology, Heart Failure Association, American College of Cardiology, Cardiovascular Academy Association, and the European Association of Percutaneous Cardiovascular Interventions (EAPCI).
Dr. Ertuğrul Ercan is a Professor of Cardiology. He completed his training at Ege University and Çanakkale Onsekiz Mart University. His main areas of expertise are interventional cardiology, atherosclerosis, valve diseases, and coronary artery disease. He also focuses on inflammation and coagulation, cardiovascular immunology, and stem cell therapy.
Dr. Ercan has held key academic and administrative positions. He served as Head of Cardiology and Dean at Çanakkale Onsekiz Mart University. He was also the Medical Director at İzmir Medical Point Hospital. He gained international experience at the Cleveland Clinic and in Melbourne, Australia.
He holds the European Cardiologist Diploma and is a Fellow of the European Society of Cardiology. Dr. Ercan is also a member of several national and international cardiology associations and working groups.