Doctors for Holter monitor

Koumelli Areti is a Military Physician and Specialist Cardiologist who maintains a private practice in Ambelokipi. She completed her specialization at the First University Cardiology Clinic of the "Hippocrateion" General Hospital of Athens. She holds the position of Consultant Cardiologist at the Cardiology Clinic of the 251st General Air Force Hospital. She is a PhD graduate of the Medical School of the National and Kapodistrian University of Athens. Additionally, she holds the European Diploma of Cardiology (ESC European Diploma of Cardiology). As part of her ongoing professional development, Dr. Koumelli regularly attends and participates as an invited speaker and commentator at numerous conferences both in Greece and abroad. Moreover, she has an extensive research portfolio and is the author of numerous papers and publications in international journals. Finally, she is a member of both the Hellenic and European Cardiology Societies.

Cardiologist Tzanogiorgis Ioannis practices in Petralona and Peristeri. He graduated from the Medical School of Iuliu Hatieganu University, Cluj-Napoca, Romania. He completed his Cardiology specialty at the General Hospital of Piraeus "Tzaneio," where he actively participated in the clinical and educational activities of the department. After obtaining his specialty, he remained as a scientific collaborator at the Pediatric Cardiology and Adult Congenital Diseases Laboratory of the Cardiology Clinic at Tzaneio. He took on the organization and operation of the Cardiology Clinic of the NGO Praksis. He served as Consultant at the 2nd Cardiology Clinic of the Errikos Dynan Hospital Center. He collaborated with the Hemodialysis Unit "Frondis," conducting cardiological assessments. To this day, he remains a Scientific Collaborator at the Hygeia Hospital. He holds a postgraduate degree from the University of Bologna focusing on Pulmonary Hypertension. He is a member of the European and Hellenic Society of Cardiology, the European and Hellenic Atherosclerosis Societies, as well as other scientific associations. He has served as a member of the presidium of the Prevention and Rehabilitation Working Group of the Hellenic Society of Cardiology and has participated in presenting abstracts at international and Greek conferences. Additionally, he has contributed to the translation of chapters of scientific textbooks. Lastly, he was awarded a scholarship by the Hellenic Society of Cardiology for his postgraduate studies.

Military cardiologist Papanastasiou Xristos was admitted to the Military School of Officers Corps (S.S.A.S.) in 2006 and obtained his Medical Degree (MD) from the Medical School of Aristotle University of Thessaloniki (A.U.Th.) in 2012, graduating with the grade "Very Good" (8.1).

In 2016, he completed his postgraduate studies in "Medical Research Methodology" at the Medical School of A.U.Th., achieving the grade "Excellent" (9.4). Subsequently, he specialized for two years in the Pathology Clinic of the 424 General Military Training Hospital and for four years in the 1st University Cardiology Clinic of the General Hospital AHEPA.

In June 2025, he completed his doctoral thesis with the grade "Excellent with Distinction," on the topic: "The diagnostic and prognostic value of cardiac magnetic resonance imaging in patients with heart failure."

He holds the European Diploma in Cardiology and the European Diploma in Echocardiography, following successful participation in pan-European examinations.

Throughout his medical career, Dr. Papanastasiou has collaborated in research with leading universities in Europe and the United States of America, publishing significant scientific articles in reputable international journals with a high impact factor, covering the entire spectrum of cardiovascular diseases.

Simultaneously, he has served as a reviewer for prestigious international scientific journals such as the Journal of the American College of Cardiology: Cardiovascular Imaging, American Heart Journal, Heart (official journal of the British Cardiovascular Society), and International Journal of Cardiology.

Ο Dr med Μπενέτος Γεώργιος MD, MSc, PhD, FESC είναι Καρδιολόγος και Διδάκτωρ του Πανεπιστημίου Αθηνών με ιδιωτικό ιατρείο στους Αμπελόκηπους. Παράλληλα, είναι Ακαδημαϊκός Υπότροφος της Α’ Πανεπιστημιακής Καρδιολογικής Κλινικής του Πανεπιστημίου Αθηνών στο Γενικό Νοσοκομείο Αθηνών "Ιπποκράτειο", παρέχοντας ερευνητικό και διδακτικό έργο, Συνεργάτης του ιατρείου Καρδιοογκολογίας της ομώνυμης κλινικής και Υπεύθυνος του τμήματος Cardiac CT (Αξονικής Καρδιάς) της Κλινικής "Λευκός Σταυρός Αθηνών". Είναι αριστούχος απόφοιτος της Ιατρικής Σχολής του Εθνικού & Καποδιστριακού Πανεπιστημίου Αθηνών με υποτροφίες, λόγω υψηλών επιδόσεων, από το Ίδρυμα Κρατικών Υποτροφιών (ΙΚΥ). Επίσης, έχει πραγματοποιήσει μεταπτυχιακές σπουδές στις "Μονάδες Εντατικής Θεραπείας - Καρδιολογική Νοσηλευτική" της Ιατρικής Σχολής του Πανεπιστημίου Αθηνών. Για την ερευνητική του δραστηριότητα έχει λάβει σημαντικές υποτροφίες από καταξιωμένες επιστημονικές εταιρείες: το Ελληνικό Ίδρυμα Καρδιολογίας (ΕΛΙΚΑΡ) για διδακτορική έρευνα και την Ελληνική Καρδιολογική Εταιρεία για μετεκπαίδευση σε αναγνωρισμένου κύρους κέντρο εξωτερικού. Μετεκπαιδεύτηκε στην Κλινική Πυρηνικής Ιατρικής του Πανεπιστημιακού Νοσοκομείου Ζυρίχης (USZ) σε μη επεμβατικές τεχνικές καρδιαγγειακής απεικόνισης και συγκεκριμένα στην αξονική στεφανιογραφία, το σπινθηρογράφημα και PET καρδιάς (τομογραφία εκπομπής ποζιτρονίων) και σε τεχνικές υβριδικής απεικόνισης/συγκερασμού τεχνικών. Παράλληλα, στο πλαίσιο της μετεκπαίδευσής του και της εκεί ερευνητικής του δραστηριότητας, ανακηρύχτηκε το 2021 Διδάκτορας της Ιατρικής Σχολής του Πανεπιστημίου της Ζυρίχης. Του έχει απονεμηθεί η ανώτατη πιστοποίηση επάρκειας για την εκτέλεση αξονικών καρδιάς από την Ευρωπαϊκή Εταιρεία Καρδιαγγειακής Απεικόνισης (EACVI level 3 accreditation) και την Αμερικανική Εταιρεία Αξονικών Καρδιάς (SCCT level 3 accreditation). Είναι συγγραφέας περισσότερων των 55 επιστημονικών εργασιών δημοσιευμένων σε έγκριτα διεθνή επιστημονικά περιοδικά (European Heart Journal, JACC Cardiovascular Interventions, Stroke, Atherosclerosis, International Journal of Cardiology κ.ά.).Παράλληλα, έχει παρουσιάσει πληθώρα (περισσότερες των 100) επιστημονικών εργασιών του στα μεγαλύτερα ευρωπαϊκά και διεθνή καρδιολογικά συνέδρια, ενώ επιστημονικές του εργασίες έχουν διακριθεί με διεθνή βραβεία. Τέλος, είναι συνεργαζόμενος κριτής σε διεθνή επιστημονικά περιοδικά (Atherosclerosis Thrombosis & Vascular Biology, International Journal of Cardiovascular Imaging, Angiology κ.ά.) και έχει συμμετάσχει ως προσκεκλημένος ομιλητής σε μεγάλο αριθμό συνεδρίων εσωτερικού και εξωτερικού.

Ioannis Kaggelidis is a Cardiologist and maintains a private practice in Polichni. He studied Medicine at the Aristotle University of Thessaloniki and has completed a postgraduate specialization at the University of Thessaly. He has experience and has worked as a Specialist Cardiologist in the First University Cardiology Clinic at AHEPA Hospital.

Kelemanis Ioannis is a Cardiologist who maintains a private practice in Thessaloniki. He holds a degree from the School of Health Sciences, Department of Medicine, Aristotle University of Thessaloniki and is currently pursuing postgraduate studies in sports medicine at the Medical School of the same institution. He initially specialized in pathology at the General Hospital of Kastoria, where he also completed his rural service, and subsequently specialized in cardiology at the General Hospital of Xanthi and the Hippocrates General Hospital of Thessaloniki, obtaining his Medical Specialty Title. Additionally, he worked for one year as a Specialist Cardiologist in a consultant position at the G. Papanikolaou General Hospital of Thessaloniki. At his practice, he provides a wide range of services tailored to the individual needs of each patient.

Dr. Kourkouti Polina MD, PhD, MSc is a Cardiologist who maintains a private practice in Holargos, while also serving as the Deputy Director of the First Cardiology Department of Electrophysiology and Cardiac Pacing at the Errikos Dynan Hospital Center. She graduated from the Medical School of the National and Kapodistrian University of Athens and holds an honors doctorate in medicine from the same institution. Additionally, she is an honors graduate with a master's degree in Intensive Care Units and cardiac nursing, awarded with a scholarship from the Hellenic Cardiological Society. She holds a series of accreditations in resuscitation techniques and has notably received the Advanced Life Support accreditation with top marks. Her specialties include the latest techniques in dynamic stress echocardiography and transesophageal echocardiography (TOE) at Elpis Hospital. Finally, her clinic offers parking for disabled persons at the clinic entrance and free municipal parking directly opposite on Perikleous Avenue. 

Eleutherios Sakadakis is a Cardiologist with a private practice in Pangrati. He holds a Doctorate from the Medical School of the National and Kapodistrian University of Athens and is also a graduate of the same institution. He has specialized in cardiomyopathies, ultrasound imaging, and cardiac magnetic resonance diagnosis, having received a scholarship from the Hellenic Cardiological Society to further his training at the Cardiology Clinic of the University Hospital "La Timone" in France, focusing on cardiomyopathies and endocarditis. Currently, he serves as Deputy Director of the Adult Cardiology Clinic at "Mitera" Hospital of the Hygeia Group and works as an external collaborator in the Radiology Department of "Errikos Dynan" Hospital, specializing in Cardiac Magnetic Resonance Imaging. Furthermore, Dr. Sakadakis has numerous publications in international journals, abstracts presented at Greek and international conferences, as well as multiple commendations and an award for the best research protocol at the 17th Panhellenic Conference on Lipidology, Atherosclerosis, and Vascular Disease.

Vraxatis Antonios Kai Synergates are based in Kallithea. Vraxatis Antonios is a graduate of the Medical School of the National and Kapodistrian University of Athens. From 1982 to 2011, he served as a Cardiologist at the General Hospital of Athens "G. Gennimatas" of the National Health System (E.S.Y.) and advanced to the position of Director. Alongside his clinical cardiology practice, he focused his interest on the emerging field of interventional cardiology. He initially trained at Hippocrates Hospital (1982) and subsequently at the London Chest Hospital in London and the Catharina Hospital in Eindhoven, the Netherlands (1988). He worked across the full spectrum of modern diagnostic and interventional cardiology, performed the first stent placement in a myocardial bridge in Greece and the second worldwide (1990), and was particularly involved in angioplasty for acute myocardial infarction, organizing its systematic implementation at the Hemodynamics Laboratory of the General Hospital of Athens "G. Gennimatas" since 1996. As President of the Working Group on Hemodynamics & Interventional Cardiology of the Hellenic Cardiological Society, he coordinated and participated in the editorial committee that, for the first time in the Greek language, authored guidelines for interventional techniques, published in a special issue of approximately 100 pages of the Hellenic Cardiological Review.

Agrios Ioannis is a Cardiologist with a private practice in Corfu. He completed his military service as a unit physician in the Naval Forces Medical Service of the Hellenic Navy, his rural service at the Plomari Health Center in Lesvos, his specialty training in Internal Medicine at the General Hospital "ASKLIPIEIO" of Voula, and his Cardiology specialty at the "Nursing Foundation of the Army Share Fund" (N.I.M.T.S.). He has served as Consultant at the 2nd Cardiology Clinic of the "ERRIKOS DYNAN Hospital Center." He has also worked as an external associate at "MEDITERRANEO Hospital" and at "Rea Maternity Hospital." Additionally, he served for several years as a Scientific Collaborator in the Echocardiography Department and the Hemodynamics Laboratory at the General Hospital of Athens "ALEXANDRA," actively participating in the National Model Emergency Angioplasty Program "ATHENS PCI." Notably, he was responsible for the Pan-European EUROASPIRE IV Study concerning the entire Attica region, focusing on Coronary Artery Disease prevention in patients with Diabetes Mellitus. The doctor specializes in Clinical and Interventional Cardiology, as well as Echocardiography, and his clinic is equipped with the most advanced portable devices. Furthermore, in collaboration with the leading medical centers of Corfu and Athens, cardiological interventions are performed, including coronary angiography - angioplasty, pacemaker - defibrillator implantation, ablation, and others, as well as specialized cardiological examinations such as stress-echo, transesophageal echocardiography, myocardial scintigraphy (thallium), and coronary computed tomography angiography. He is fluent in English, French, Italian, and Chinese.

Patialiakas Athanasios is a Cardiologist who maintains a private practice in Chania. He graduated from the Military Officers School of Corps (SSAS) and Aristotle University of Thessaloniki with a specialization in Cardiology, and has completed a two-year fellowship in interventional cardiology at the University Hospital of Ferrara in Italy. In his private practice, he manages all types of cardiology cases (coronary artery disease, heart failure, arrhythmia problems, hypertension, dyslipidemias). Additionally, at the hemodynamic laboratory of the IASIS - Gavrilakis clinic, he performs interventions, coronary angiographies, and angioplasties (balloon dilations) with stent placement. As a military physician, he participates in numerous conferences in Greece and abroad, often as a speaker, maintaining his thorough expertise in his field of specialization, and has several publications in internationally recognized journals. Finally, he is a member of numerous medical associations and scientific societies.

Leontaridis Ioannis is a Cardiologist who has maintained a private practice in Ioannina since 2005. He graduated from the Medical School of the University of Ioannina and specialized in cardiology at the Cardiology Clinic of the University General Hospital of Ioannina. During his specialization, he participated in scientific Greek and international conferences and events, presenting medical research, and his medical papers have been published in Greek and foreign journals. He is a member of the New York Academy of Sciences, the Hellenic Cardiological Society, and the European Society of Cardiology. His practice is equipped with the latest technology, providing comprehensive cardiovascular patient evaluation in an outpatient setting. His goal is to deliver high-quality medical services using the most advanced medical techniques.

Drasvestas Dimitris, MD is an Interventional Cardiologist - Electrophysiologist with private practices in Athens and Pallini. A graduate of the Medical School of the University of Bologna, Italy, he specialized at the 2nd Cardiology Clinic of the General Hospital of Athens "Evangelismos" and obtained his Cardiology specialty title in 2014. He has specialized in Interventional Electrophysiology in the United Kingdom (Dorset Heart Centre - Royal Bournemouth Hospital, UK) under a scholarship from the Hellenic Cardiological Society. Additionally, he holds European certifications in Interventional Electrophysiology level 1 (ECDS level 1) and level 2 (ECES level 2). Currently, he serves as Deputy Director of the Cardiology Clinic at the Mitera Hospital of the Hygeia Group. In his private practices, he provides high-level services in all areas of cardiology, with particular emphasis on arrhythmias. He has extensive experience in the modern interventional management of arrhythmias (supraventricular and ventricular arrhythmia ablation) and in the implantation of pacemakers and defibrillators. Furthermore, he was a member of the European Electrophysiology Certification Examination Committee from 2020 to 2022 and is an International Official Proctor (trainer) for healthcare professionals in the field of Electrophysiology using intracardiac echocardiography (Intracardiac Echocardiography – ICE). Finally, Drasvestas has a significant research portfolio with publications in international medical journals and presentations as a speaker at Greek and international medical conferences.

Skafidas Dimitrios is a Cardiologist who maintains a private practice in Nea Filadelfia. He has served for many years as the Scientific Director and Scientific Collaborator of a major healthcare group, primarily focusing on stress testing and clinical examination. In 2010, he obtained the European Certification in Adult Transthoracic Echocardiography from the European Society of Cardiology. He possesses significant research experience, having been a member of a research team conducting a study on behalf of a large multinational pharmaceutical company concerning myocardial infarction and atrial fibrillation (REDUAL – PCI). Additionally, he has authored the chapter on acute heart failure in the General Medicine textbook "Management of Common Diseases in Primary Health Care: Contemporary Views and Recommendations." Finally, he has published articles in international cardiology journals and regularly attends conferences to stay continuously updated on developments in cardiology.

Dr. Klempetsanis Konstantinos, MD, MSc, is a Specialist Cardiologist with a private practice in Evosmos, Thessaloniki, and simultaneously serves as an Associate at the Diavalkaniko Center in Thessaloniki. He graduated from the Medical School of Aristotle University of Thessaloniki and specialized in Anesthesiology and Intensive Care Unit at the 424 General Military Hospital of Thessaloniki. Additionally, he holds a Master's degree in "Thrombosis - Antithrombotic Therapy." In 2000, he moved to Belgium, where he trained in Clinical Electrophysiology - Arrhythmology at O.L.V. Aalst Hospital in Belgium. He has been an instructor for the Pathology course at the Secondary Technical Vocational Nursing School of Kilkis at the General Hospital of Kilkis and has also taught courses in Nursing and Pathology at the IEK of Neapoli and Evosmos, Thessaloniki. Finally, he consistently participates in all conferences, symposiums, workshops, and training seminars related to his specialization, frequently as a speaker, maintaining comprehensive training and high-level expertise in his field.

Soulaidopoulos Stergios is a Specialist Cardiologist with expertise in Interventional Cardiology. He works as a Scientific Associate in the field of Interventional Cardiology at the First University Cardiology Clinic of Hippokration Hospital of Athens and maintains a private practice in Nea Smyrni. Additionally, he is affiliated with the Athens Medical Center. He graduated from the Medical School of Aristotle University of Thessaloniki in 2011, and in 2021 he was awarded a PhD from the Medical School of AUTH. During his specialization, he worked in clinics in Austria and Germany. He completed the main part of his Cardiology specialty at the First University Cardiology Clinic of Hippokration Hospital of Athens in 2022. His research interests focus on interventional cardiology, specifically the interventional treatment of coronary artery disease, structural heart diseases, and resistant hypertension. He has published over 100 papers in reputable international journals, and in 2024 he was awarded the title of Fellow of the European Society of Cardiology (FESC) in recognition of his research work. He is also a member of the Hellenic Cardiological Society and the European Association of Percutaneous Cardiovascular Interventions (EAPCI).