Cardiologists for Atrial Fibrilaltion

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.

Papakonstantinou Euaggelia - Erasmia is a Cardiologist and maintains a private practice in Nea Smyrni. She was admitted to the Medical School of the National and Kapodistrian University of Athens in 2005 through national entrance exams and graduated with a grade of 8.3 in 2011. Subsequently, she specialized in Cardiology in North Rhine-Westphalia, Germany, until 2019, when she obtained her specialty title in Düsseldorf. She has three years of clinical experience in the High Dependency and Intensive Care Unit in hospitals affiliated with the University Hospitals of Essen and Aachen and holds certification in transthoracic and transesophageal echocardiography, as well as in emergency management including resuscitation and safe patient transfer (European Resuscitation Council). During her extended stay in Germany until 2021, she trained in the Hemodynamics Laboratory, the Department of Cardiac Ultrasound, and the Electrophysiology and Pacing Department. Currently, she is a Consultant in the Electrophysiology and Pacing Department at the "Errikos Dynan" Hospital Center.

Gkeka Marina is a Cardiologist and maintains a private practice in Nea Filadelfeia. She is a graduate of the Medical School of Aristotle University of Thessaloniki. She initially specialized in Internal Medicine at the General Hospital of Attica "Sismanogleio - Amalia Fleming" and subsequently in Cardiology at the General Hospital of Nea Ionia "Konstantopouleio." She has served as a Cardiologist in the Infarction Unit of the General Hospital of Nea Ionia "Konstantopouleio," as well as a consulting Cardiologist at the private hospital MITERA. Additionally, she has held the position of Registrar B' - Cardiologist at the General Hospital of Thira. In her private practice, she offers a wide range of services, respecting the unique needs of each patient.

Konstantinos Traulos is a Cardiologist and maintains his private practice in the Gkyzi area. Among the services provided are: cardiac triplex, hypertension and cholesterol screening, and monitoring of patients with chronic cardiovascular conditions. Relevant certificates and attestations are also issued.

Raikos S Nikolaos is a Cardiologist - Intensivist and operates a Private Practice in Koukaki. He holds a degree from the Medical School of the University of Ioannina and a PhD from the Medical School of the National and Kapodistrian University of Athens. He worked in the National Health System (NHS) as a Registrar in Cardiology Clinics and Intensive Care Units (ICUs) from 2003 to 2014. Additionally, since 2014, he has been the Scientific Director of the Cardiology Department at the "Iatropolis N.Smyrni" center. Furthermore, the physician has specialized in Advanced Echocardiographic Techniques (Stress Echo, Transesophageal Echocardiography), as well as in Intensive Care. At his private practice, he manages a wide range of cases across the entire spectrum of Cardiology, including pediatric cases from 5 years old and above.

Ο ΤΣΑΚΙΡΗΣ ΛΕΩΝΙΔΑΣ MD είναι Κλινικός Καρδιολόγος στην Πυλαία, με πολυετή διεθνή εμπειρία στην Ιταλία, Γερμανία και την Ελβετία, εξειδικευμένος στις Συγγενείς Καρδιοπάθειες Ενηλίκων (ACHD), στη Γενετική Συμβουλευτική Μυοκαρδιοπαθειών και Αορτοπαθειών, στην Υπερηχοκαρδιογραφία και στην Αρτηριακή Υπέρταση.

Απόφοιτος της Ιατρικής Σχολής του Πανεπιστημίου του Τορίνου Ιταλίας, ολοκλήρωσε την ειδικότητα της Καρδιολογίας και υπηρέτησε σε κορυφαία ευρωπαϊκά κέντρα:

Herzzentrum Lahr/Baden (Γερμανία): Ένα από τα πλέον καταξιωμένα καρδιολογικά και καρδιοχειρουργικά κέντρα της Γερμανίας. Εκεί υπηρέτησε ως Εκπαιδευτής Υπερηχοκαρδιογραφίας (DEGUM II) και Υπερτασιολόγος, αποκτώντας εκτενή εμπειρία στις μυοκαρδιοπαθειες, στην καρδιακή ανεπάρκεια, ηλεκτροφυσιολογικές επεμβάσεις, βαλβιδοπάθειες, μηχανικα συστηματα καρδιοαναπνευστικής υποστήριξης (ECMO, LVAD, Impella, Ecmella).

Universitätsklinikum Münster – Kardiologie III (Γερμανία): Πανεπιστημιακό Κέντρο Συγγενών Καρδιοπαθειών και Βαλβιδοπαθειών υπό τη διεύθυνση του Καθ. Helmut Baumgartner, διεθνώς αναγνωρισμένο στην ACHD και στις αορτοπαθείες. Εκεί εξειδικεύτηκε στη Γενετική Συμβουλευτική Μυοκαρδιοπαθειών και Αορτοπαθειών, καθώς και στην απεικόνιση ACHD με 3D/4D και διοισοφάγειο υπερηχογράφημα.

Spital Muri (Ελβετία): Εξειδίκευση στην Καρδιο-Ογκολογία και στον καρδιολογικό έλεγχο βαριατρικών ασθενών, στο πλαίσιο πολυεπιστημονικών προγραμμάτων καρδιομεταβολικής πρόληψης.

Είναι πιστοποιημένος Υπερτασιολόγος από τη Γερμανική Εταιρεία Υπέρτασης (DHL), εκπαιδευτής υπερήχων DEGUM II, πιστοποιημένος στην ACHD από τη Γερμανική Καρδιολογική Εταιρεία (DGK), πιστοποιημένος στη Γενετική Συμβουλευτική από τη Γερμανική Εταιρεία Ανθρώπινης Γενετικής (DGfH), και μέλος των DEGUM και DEGIM.Υποψήφιος για τον τίτλο Heart Failure Specialist (DGK).

Ομιλεί τέσσερις γλώσσες (Ελληνικά, Γερμανικά, Ιταλικά, Αγγλικά), γεγονός που ενισχύει την επικοινωνία με διεθνείς ασθενείς και συνεργασίες.

Στο Καρδιολογικό Ιατρείο Πυλαίας, αξιοποιεί την ευρωπαϊκή του εμπειρία και τη σύγχρονη τεχνογνωσία για να προσφέρει προληπτική, διαγνωστική και θεραπευτική φροντίδα υψηλής ακρίβειας, με σεβασμό και προσωπική προσέγγιση.

Υπηρεσίες:* Υπερηχοκαρδιογράφημα καρδιάς (Triplex, Διοισοφάγειο, Stress-Echo)* Ηλεκτροκαρδιογράφημα (ΗΚΓ)* Holter ρυθμού & αρτηριακής πίεσης* Καρδιολογικός προληπτικός & προεγχειρητικός έλεγχος*Παρακολούθηση ACHD, Μυοκαρδιοπαθειών & Αορτοπαθειών* Καρδιολογική εκτίμηση σε Ογκολογικούς & Βαριατρικούς ασθενείς και Check-up για οικογένειες, επαγγελματίες & επιχειρήσεις

Είναι μέλος της Ευρωπαϊκής Καρδιολογικής Εταιρείας (ESC), της European Heart Failure Association, της Γερμανικης Εταιρειας Υπερηχογραφιας (DEGUM), της Γερμανικης Εταιριας Ειδικης Παθολογιας (DEGIM) και της Γερμανικης Καρδιολογικης Εταιριας (DGK).

Deligiannidis Aristeidis is a Specialist Cardiologist with a private practice in Thessaloniki. He is a graduate and Doctor of Medicine from the Aristotle University of Thessaloniki Medical School. In his professional career to date, he has served as a Specialist Cardiologist at the Bioiatriki Group, the General Clinic, and the Blue Cross in Thessaloniki, as well as a Scientific Collaborator at the 2nd University Cardiology Clinic of Hippokration Hospital in Thessaloniki. Additionally, he specializes in Echocardiography, Clinical Cardiology, and Blood Pressure management.

Dr. Papavasileiou Lida Pieretta is a Cardiologist and maintains her private practice in Kifisia. She holds a Medical degree from the University of Rome TOR VERGATA, where she also completed her Doctoral Thesis. Dr. Papavasileiou has worked at TOR VERGATA Hospital and the Ospedale Pediatrico Bambino Gesu in Rome, as well as at Hygeia Hospital. In her private practice, she manages a wide range of cases covering the entire spectrum of her specialty, utilizing her scientific expertise and experience, always focusing on the best possible care to meet the individual needs of each patient.

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.

Dr Papathanasiou Sotirios is a Cardiologist with a private practice in Kolonaki. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens, with research focusing on atherosclerotic disease and arrhythmias. He has specialized in interventional cardiology and advanced diagnostic imaging ultrasound techniques for cardiovascular pathology, with particular expertise in complex arrhythmias, atrial fibrillation, all valvular heart diseases, and the study of cardiovascular pathology in children. His specific areas of interest include the early diagnosis and management of progressive atherosclerotic disease at all stages, heart failure, as well as pediatric and adult cardiomyopathies. A significant portion of cardiovascular diagnostics is conducted in his cardiology practice – diagnostic laboratory, while more complex diagnostic procedures are performed in collaboration with major medical centers. He collaborates with and serves as the scientific director of departments in leading hospitals in Athens, as well as various diagnostic groups. Additionally, he is a member of the Hellenic Society of Lipidology and Atherosclerosis, the European Association of Percutaneous Cardiovascular Interventions, the Hellenic Cardiological Society, and the European Society of Cardiology.

Katranas Sotirios is a Specialist Cardiologist and Doctor of Cardiology from the Aristotle University of Thessaloniki with a private practice in Thessaloniki. He serves as a Scientific Collaborator in Cardiomyopathies (1st Cardiology Clinic) and Cardiopathies in patients with Neuromuscular Diseases (2nd Pediatric Clinic - MDA Hellas) at the AHEPA University Hospital of Thessaloniki. He is a Consultant Cardiologist in the National Health Service (NHS) of the United Kingdom and a former Scientific Collaborator at the Cardiothoracic Surgery Clinic of Papageorgiou Hospital. He studied Medicine at the Aristotle University of Thessaloniki, specialized in Cardiology at the AHEPA University Hospital of Thessaloniki, in Cardiomyopathies at London hospitals Saint Bartholomew's and Royal Brompton, and in Cardiopathies related to Neuromuscular Diseases at the Neuromuscular Complex Care Centre of the National Hospital of Neurology and Neurosurgery in London. Additionally, he is an expert in Advanced Ultrasound Techniques (transesophageal echocardiography and stress echo - specialization at the London hospitals Saint Bartholomew's, Royal Brompton, and North Middlesex) and holds a license from the Ministry of Health. Finally, he specializes in Lipidology and Arterial Hypertension and manages the full spectrum of cardiac diseases.

Souxlaki Stella is a Cardiologist who maintains a private practice in Ilion. She holds a degree from the Medical School of the National and Kapodistrian University of Athens, specializing in Cardiology. She has extensive experience in her field, working in her private practice in Ilion, as well as previously serving as a medical examiner at IKA Petroupoli and as a cardiologist at Doctors SOS. To obtain her specialty, she trained at the General Oncology Hospital of Kifisia "Agioi Anargyroi," the General Hospital of Melissia "Amalia Fleming," the General Hospital of Nikaia "Agios Panteleimon," and the First Cardiac Surgery Clinic of the General Hospital of Athens "Hippocratio." To date, she actively participates in conferences in Greece and abroad, aiming for excellent training and continuous updates on the latest developments in Cardiology.

Vosnakidis Athanasios MD, MSc is a cardiologist with private practices in Kalamaria and Kalochori, Thessaloniki. He has also been a longstanding collaborator of the cardiology team at the “Saint Lukas” clinic. He graduated from the Medical School of Democritus University of Thrace, specializing in clinical cardiology and cardiac ultrasound (triplex). He holds a postgraduate diploma with distinction in “Medical Research and Methodology” from Aristotle University of Thessaloniki. The Kalamaria clinic is located in the area of Agios Ioannis, with easy access from the city center or the ring road and convenient parking. It is on the ground floor with easy access for patients with mobility issues. The clinic is equipped with state-of-the-art cardiology equipment for accurate diagnosis (cardiac ultrasound, 12-lead electrocardiograph, treadmill and bicycle stress testing, 4 Holter monitors with up to 7-day recording, 12-channel Holter monitor for 48-hour recording, 2 blood pressure Holters, quality troponin testing). The physician provides comprehensive therapeutic approaches and management of all cardiological conditions (including coronary artery disease, arrhythmias, hypertension, dyslipidemia, aneurysm, etc.). Medical certificates, athlete health cards, and KEPA certifications are issued. There is the possibility of a full cardiological examination at home using a portable cardiac ultrasound device. Furthermore, in collaboration with medical centers, procedures such as coronary angiography – angioplasty, pacemaker – defibrillator implantation, ablation, etc., as well as diagnostic tests including stress-echo, transesophageal cardiac ultrasound, myocardial scintigraphy (thallium), and coronary computed tomography angiography are performed.

Karanikas Stauros is a Cardiologist who maintains a private practice in Ilisia. After completing his medical studies, he specialized in Cardiology at Konstadopouleio General Hospital (Agia Olga). Additionally, he pursued postgraduate studies at the National and Kapodistrian University of Athens. He specialized in cardiac pacing and heart failure at Lewisham University Hospital, Lewisham & Greenwich Trust in London, where he also worked as a Consultant Cardiologist. He has extensive clinical experience and served as a Consultant Cardiologist in the Cardiothoracic Intensive Care Unit of the Onassis Cardiothoracic Surgery Center. He currently works as a Consultant in the Electrophysiology - Pacemaker Implantation Laboratory and the Adult Cardiology Clinic at Mitera Hospital (Hygeia Group).

Dr Ouzounidis Ioannis is a Cardiologist and maintains a private clinic in Thessaloniki. He is a graduate of the Medical School of Kyban State University. The doctor is a Scientific Associate of the General Clinic of Thessaloniki and the "Cyan Cross" Clinic of Thessaloniki, where he also serves as the Scientific Head of the Ultrasound Department. In his private practice, he offers a wide range of services, personalized to the needs of each patient.

Voloudakis Konstantinos is a Specialist Cardiologist and maintains a private practice in Thessaloniki. He holds a PhD from the Medical School of Democritus University of Thrace and a medical degree from the Medical School of Aristotle University of Thessaloniki. He specialized in Cardiology at the General Hospital of Thessaloniki "G. Papanikolaou" and underwent further training in the Intensive Care Unit of Peterborough District Hospital in Cambridge and at Karolinska Hospital in Stockholm, Sweden. Dr. Voloudakis served as an Attending Physician for 20 years at the General Hospital of Thessaloniki "Agios Pavlos" and as Coordinating Director for 4 years in the Cardiology Department of the General Hospital of Chalkidiki. In his private practice, he offers a wide range of services, respecting the individual needs of each patient.

Elena Xairetaki - Premedicare is a Cardiologist and a member of the medical team at the Premedicare Polyclinic. She is a graduate of the Medical School of the National and Kapodistrian University of Athens (NKUA) and provides her services as a Cardiologist while also serving as the Scientific Director of the BIOIATRIKI Group. She specialized in Cardiology at Evangelismos Hospital and has served as an Assistant Consultant at Pammakaristos Hospital. Combining her experience and recognized scientific expertise, she manages a wide range of cases encompassing the full spectrum of her specialty.

Xatzis Mixalis is a Specialist Cardiologist who also maintains a private cardiology clinic in Vrilissia. Simultaneously, he serves as a consultant cardiologist at the 3rd Cardiology Department of Metropolitan General Hospital and at the Praxis Ygeias Polyclinic. He graduated from the Medical School of the National and Kapodistrian University of Athens. After completing rural service, he specialized in Cardiology at the General Hospital of Athens "Hippokration" and the General Hospital of Athens "Laiko," gaining significant experience across the full spectrum of cardiological cases and participating in the academic activities of the clinics. Furthermore, he holds a postgraduate diploma in "Interventional Cardiology" from the Medical School of the National and Kapodistrian University of Athens, as well as graduation from the four-month program "Rehabilitation of Cardiac Patients after Cardiac Surgery" from the same institution. Emphasizing the second component of the word "cardiology" (logos/logic), he strives to respond in the best possible way to the individualized needs of his patients.

Dr. Xatzianesti Fryni Cardiofocus, MD, MSc, is a Specialist Cardiologist at HYGEIA Hospital and maintains a private practice in Kolonaki. She has specialized at the Onassis Cardiac Surgery Center in cardiovascular imaging (stress echo, strain echocardiography, transesophageal echocardiogram) and is clinically and scientifically engaged in heart failure. She holds certification from the Hellenic Cardiological Society in smoking cessation, operating one of the few certified cardiology clinics in this field. She graduated from the Medical School of Democritus University of Thrace and holds a master's degree (MSc) from the National and Kapodistrian University of Athens, specializing in International Medicine - Infectious Diseases and Disaster Medicine. She has an extensive educational and research background, participating in numerous research studies with a focus on heart failure, and also has numerous contributions in conferences with lectures and presentations.