Cardiologists for Αrrhythmias

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.

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).

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.

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.

Η Ελπίδα Παπουτσάκη είναι Καρδιολόγος με ευρωπαϊκή πιστοποίηση από τον ESC ( European Society of Cardiology) στην Καρδιοογκολογία και διατηρεί ιδιωτικό ιατρείο στα Χανιά . Ξεκίνησε την ειδικότητα της καρδιολογίας στο Γενικό Νοσοκομείο Χανίων και την ολοκλήρωσε στο Γενικό Νοσοκομείο Ηρακλείου Βενιζέλειο. Κατά τη διάρκεια της ειδίκευσης της εργάστηκε στο Γενικό Νοσοκομείο Παίδων Αθηνών «Παναγιώτη και Αγλαΐας Κυριακού» στο τμήμα προληπτικής παιδοκαρδιολογίας. Έχει εργαστεί στο Γενικό Αντικαρκινικό Ογκολογικό Νοσοκομείο «Άγιος Σάββας» στο ιατρείο Καρδιοογκολογίας καθώς και στο Γενικό Νοσοκομείο Ηρακλείου « Βενιζέλειο » στο ιατρείο Καρδιοογκολογίας.Έχει συμμετάσχει σε κλινικές μελέτες,σε συνέδρια στην Ελλάδα ως ομιλήτρια αλλά και στο εξωτερικό . Αριθμεί δημοσιεύσεις σε διεθνώς αναγνωρισμένα περιοδικά.

Στο ιδιωτικό της ιατρείο παρακολουθεί το σύνολο των καρδιολογικών περιστατικών στεφανιαία νόσος,καρδιακή ανεπάρκεια,αρρυθμιολογικά προβλήματα,υπέρταση, δυσλιπιδαιμίες .Παρακολουθεί καρδιολογικά ασθενείς που λαμβάνουν θεραπείες για καρκίνο (χημειοθεραπεία, ακτινοθεραπεία,κ.ά.) που μπορεί να επηρεάσουν την καρδιά.Προλαμβάνει και διαχειρίζεται καρδιακές παρενέργειες από αντικαρκινικές θεραπείες.Αξιολογεί τον καρδιαγγειακό κίνδυνο πριν ξεκινήσει η θεραπεία για καρκίνο.Συνεργάζεται στενά με ογκολόγους για να βρεθεί η πιο ασφαλής θεραπεία για τον ασθενή.Παρακολουθεί μακροπρόθεσμα επιζώντες καρκίνου που μπορεί να εμφανίσουν καρδιολογικά προβλήματα αργότερα.

Athanasiou Minas is a Cardiologist operating a private Cardiology Clinic within the DoctorsPlus medical complex in Nea Erythraia since 2016. He completed his medical studies at the "Alma Mater Studiorum" University of Bologna, Italy, in 2005. Subsequently, he obtained his Cardiology specialty certification in 2016 after successful training at the Cardiology Clinic of the General Hospital "Amalia Fleming," where he gained experience managing numerous acute and chronic cardiovascular cases. Concurrently, he has been certified by the Ministry of Health in performing cardiac Ultrasound - Triplex examinations. During his training, he specialized in the execution and interpretation of diagnostic tests such as exercise stress tests, Holter monitoring, and stress tests at the Nuclear Medicine Department of NIMTS. He trained in the evaluation of arrhythmia events at the Electrophysiology Department of the General Hospital "Alexandra" and in interventional treatment of acute coronary syndromes at the Hemodynamics Department of the General Hospital "Sismanoglio." Additionally, he has significant experience from the Cardiothoracic Surgery Department of the General Hospital of Athens "Evangelismos." His academic contributions include presentations at Scientific Conferences, and he is an active member of the Medical Association of Athens and the European Society of Cardiology. Finally, at his private practice, he has performed a substantial number (over 2000) of cardiac Ultrasound - Triplex examinations and exercise stress tests, while regularly monitoring a large number of cardiology patients in the wider area of the Municipality of Kifisia.

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.

Drtoskas Pantelis is a Cardiologist with private practices in Kifisia and Palaio Faliro. He graduated from the Medical School of the University of Athens, specializing in preventive cardiology and cardiac rehabilitation. He completed his specialty training at the First University Cardiology Clinic of Hippocrateio Hospital, gaining experience across the full spectrum of modern cardiology – from emergency care to long-term monitoring of cardiac patients.

As a fellow of the Hellenic Cardiological Foundation and concurrently with the completion of his doctoral thesis, he trained in the United Kingdom (Bexley Cardiac Rehabilitation – Goldie Leigh Hospital), focusing on the prevention of cardiovascular diseases and rehabilitation of patients post-myocardial infarction or cardiac surgery.

He maintains a private practice and responsibly manages all cardiology cases, both preventive and chronic or acute conditions. He provides comprehensive diagnostic testing (cardiac Triplex, Holter monitoring for rhythm and blood pressure, stress testing, preoperative evaluation, etc.) and supportive services based on the principles of precision medicine: genetic testing, stress management, personalized nutrition, and prescribed exercise.

He has participated as an invited speaker at numerous medical conferences and has published scientific articles in reputable international journals, actively contributing to the advancement of contemporary cardiological knowledge.

His goal is to provide high-quality care, grounded in scientific evidence and a compassionate approach – aiming not only for treatment but also for the long-term preservation of cardiovascular health.

Parparas Konstantinos is a Cardiologist with a private practice in Thessaloniki. He studied at the Aristotle University of Thessaloniki and specialized in clinics in Germany. He has substantial experience, having worked as a Cardiologist Consultant in major German clinics. He specializes in interventional cardiology and has been performing angioplasties in coronary arteries since 2014 to the present (performing several thousand angioplasties, including many of high complexity, e.g., in left main coronary artery stenosis, Rotablation procedures), and since 2020, he has also been involved in transcatheter aortic valve implantation (TAVI).

Triantafyllis Dimitrios is a Cardiologist who maintains private practices in Kypseli and Nea Psychiko. He holds a medical degree from the University of Ioannina with further training in Echocardiography (stress echo, transesophageal studies, three-dimensional imaging) from the Hippocrates Hospital of Athens and the Educational Program of the International Academy of Medical Ultrasound in Berlin. In addition to his private practice, he is a Scientific Associate - Cardiologist at DTHKA "Hygeia" and head of the Stress Echo Department at the Central Athens Clinic. He has also collaborated with the Euroclinic of Athens, where he gained significant experience in performing stress echo and transesophageal echocardiographic studies. At his cardiology clinic and laboratory, he offers comprehensive and specialized cardiological examinations covering the entire spectrum of cardiovascular 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.

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.

Velissariou Georgios is a Cardiologist and maintains a private practice in Acharnes. He specialized in cardiology at the 1st Cardiology Clinic of the General Hospital of Athens "Evangelismos" and has attended numerous seminars aimed at continuous professional development in his field. To date, he is a Scientific Collaborator of the HYGEIA group and a member of the Athens Medical Association. In 2024, after six months of training at the Onassis Cardiac Surgery Center, he obtained a license to perform stress echocardiography (stress echo).

Dr. Papamixail Nikolaos is a Cardiologist with a private practice in Ampelokipi. He holds a medical degree from the Medical School of the National and Kapodistrian University of Athens and specialized in Cardiology at the Cardiology Clinic of the Military Fund Nursing Institution (NIMTS). He is an Associate at the "Athinaion" Clinic and Consultant Cardiologist at the 2nd Cardiology Clinic of the Euroclinic Athens. Additionally, he serves as the Scientific Director of the Cardiology Department at Euromedica Palaio Faliro, Consultant Cardiologist at the Bioclinic Athens, and Scientific Collaborator at the Hypertension Unit of the University Cardiology Clinic of the General Hospital of Athens "Hippocratio". Furthermore, the doctor has contracts with the Journalists’ Fund EDOEAP and the employees’ fund of the Bank of Greece ATPSYTE. Hospitalization and treatment for all cardiovascular diseases are available in a private clinic with all insurance funds and private insurance coverage. Finally, he actively participates in numerous conferences and seminars in Greece and abroad, presenting at Greek and international conferences and publishing in medical journals.

Georgios Sionis is a Cardiologist and maintains a private practice in Agia Paraskevi. He is a graduate of the Medical School of Pecs in Hungary. Currently, in addition to his private practice, he is a Consulting Physician in the Hemodynamics Department of the Central Clinic of Athens and at Metropolitan General Hospital in Cholargos. The doctor has extensive experience and has specialized in cardiac ultrasound, exercise testing, 24-hour rhythm and blood pressure monitoring (Holter), interventional cardiology, the Coronary Intensive Care Unit (CICU) – Infarction Unit, and the latest echocardiographic techniques. Furthermore, he has participated in numerous conferences and seminars both in Greece and abroad. In his private practice, he manages cases across the entire spectrum of cardiology, understanding the unique needs of his patients.

Marinakos Athanasios is a Specialist Cardiologist with a private practice in the Ampelokipi area. He possesses significant experience in Clinical Cardiology as well as specialized knowledge in Interventional Cardiology and Advanced Echocardiography. The clinic offers Electrocardiograms, Cardiac and Thoracic Aorta Triplex Ultrasound, 24-hour Blood Pressure Holter, 24-48 hour/7-day Rhythm Holter monitoring, utilizing state-of-the-art equipment, and issues health certificates and attestations. For the diagnosis and treatment of complex cardiological cases, he collaborates with the H.H.G group, reputable diagnostic centers, and public healthcare facilities. He holds a medical degree from the Semmelweis University Faculty of Medicine in Budapest. He specialized in Cardiology at the General Regional Hospital of Tripoli and the Konstadopouleio New Ionia "Agia Olga" Hospital. At the Hemodynamic Laboratory of the latter, he received further training in Interventional Cardiology, and at the Onassis Cardiac Surgery Center, he trained in Latest Ultrasound Techniques. He has worked as a Consultant Cardiologist B at the Cardiology Clinic and Hemodynamic Laboratory of the General Hospital of Athens "Laiko," where he gained experience managing cardiology patients with significant comorbidities (pathological, rheumatological, surgical, nephrological, and oncological cases). He has also worked as a Consultant Cardiologist in the interventional cardiology team at the private Metropolitan Hospital, acquiring extensive experience managing cardiology patients undergoing complex angioplasties and transcatheter valve replacement procedures. He is a certified Basic and Advanced Life Support Resuscitator, an area in which he has substantial authorship and educational work. He actively participates in numerous conferences in Greece and abroad.

Nikolaos Lionakis is a Specialist Cardiologist with a subspecialty in Interventional Cardiology and maintains a private practice in the center of Athens (13 Papadiamantopoulou Street, Megaron Mousikis area). He is a graduate of the Medical School of the National and Kapodistrian University of Athens. After his specialization in Cardiology, he received further training in Interventional Cardiology, specifically in the interventional treatment of Coronary Artery Disease, obtaining the official subspecialty certification from the Ministry of Health. For the past 15 years, he has continuously worked as a Registrar in the National Health System, and since 2021, he has served as a Senior Registrar at the Cardiology Clinic and the Hemodynamic Laboratory of the Army Fund Hospital (N.I.M.T.S.). In his private practice, he manages cases covering the entire spectrum of cardiology aimed at the prevention, diagnosis, and treatment of cardiovascular diseases.

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.