Doctors for Holter monitor

Maniotis Xristos is a Cardiologist who maintains a private practice in Ilisia. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens and completed postgraduate training in the Electrophysiology and Arrhythmias Department at St Luke's/Roosevelt Hospital of Columbia University in New York. He also holds a Master's degree (MSc) from the National and Kapodistrian University of Athens (NKUA) in Clinical Ergometry, Exercise, Advanced Technology, and Rehabilitation. Additionally, he has attended the Master Class of Courses on Clinical Trials at Cambridge University Hospitals NHS and holds certification for performing Cardiac Ultrasound as well as the ALS (Advanced Life Support) diploma. Throughout his career, he has worked in numerous hospitals in Greece and abroad, gaining valuable experience in the fields of Cardiology and Internal Medicine. Currently, alongside his private practice, he is affiliated with Hygeia Hospital, Mitera Hospital, and the Athens Bioclinic. Finally, it is noteworthy that he has authored numerous publications in scientific journals and has made multiple presentations in international scientific journals and international cardiology conferences.

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 Κάββουρας Χαράλαμπος M.D, Msc, PhD, FSCAI είναι Επεμβατικός Καρδιολόγος- Παιδοκαρδιολόγος εξειδικευθείς στην Παιδοκαρδιολογία και στις Συγγενείς Καρδιοπάθειες Ενηλίκων-Παίδων στο Royal Brompton and Harefield Hospital του Ηνωμένου Βασιλείου καθώς και στην Επεμβατική Καρδιολογία στο University Hospital Toronto, Peter Munk Cardiac Center στον Καναδά. Διατηρεί το ιδιωτικό του ιατρείο στο Κολωνάκι. Ο ιατρός αποφοίτησε από το πανεπιστήμιο του PECS στην Ουγγαρία, είναι κάτοχος MSc Kαρδιακή Aνεπάρκεια από το Imperial College και Διδάκτωρ του Πανεπιστήμιου Αθηνών με θέμα σχετικό με την Επεμβατική Καρδιολογία και τις Συγγενείς Καρδιοπάθειες. Ολοκλήρωσε την ειδικότητα της Καρδιολογίας στο Β΄ Καρδιολογικό τμήμα του νοσοκομείου Ευαγγελισμός. Ακολούθως υπήρξε εκπαιδευόμενος στην Επεμβατική Καρδιολογία στο Αιμοδυναμικό εργαστήριο του ίδιου νοσοκομείου. Εν συνεχεία και με υποτροφία της Ελληνικής Καρδιολογικής Εταιρίας, ξεκίνησε την εκπαίδευση του στις Συγγενείς καρδιοπάθειες και στην Πνευμονική Υπέρταση Ενηλίκων και Παίδων αρχικά στο Πανεπιστημιακό νοσοκομείο του MANCHESTER και κατόπιν στο ROYAL BROMPTON HOSPITAL. Αμέσως μετά και επι διετία συνέχισε την εκπαίδευση του στο ROYAL BROMPTON HOSPITAL στο Ηνωμένο Βασίλειο στις Συγγενείς καρδιόπαθειες και την πνευμονική υπέρταση ενώ εξειδικεύτηκε περαιτέρω και στην Υπερηχογραφία των συγγενών καρδιοπαθειών και στην Δυναμική υπερηχογραφία (Stress echo). Κατά την εκπαίδευση του στις συγγενείς καρδιόπαθειες πραγματοποίησα πάνω από 1500 υπερηχογραφήματα καρδιάς σε ασθενείς με συγγενή καρδιοπάθεια και πνευμονική υπέρταση ενώ έκανε περισσότερους από 200 δεξιούς καθετηριασμούς σε ασθενείς με πνευμονική υπέρταση. Ο ιατρός διετέλεσε Επιμελητής στο τμήμα συγγενών καρδιοπαθειών στο Πανεπιστημιακό Νοσοκομείο του Liverpool ενώ τα τελευταία χρόνια διατελεί Επιμελητής στο Τμήμα Συγγενών Καρδιοπαθειών και Παιδοκαρδιολογίας στο Νοσοκομείο ΜΗΤΕΡΑ κι είναι επιστημονικός Συνεργάτης της Καρδιολογικής Κλινικής του Πανεπιστημίου Αθηνών και του 251 Γενικού Νοσοκομείου Αεροπορίας. Τέλος, έχει στο ενεργητικό του πλήθος Δημοσιεύσεων καθώς και Προφορικών ομιλιών και ανακοινώσεων σε διεθνή καρδιολογικά συνέδρια.

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.

Stathogiannis Euaggelos is a Cardiologist and Doctor of Medicine from the Medical School of Athens, with a private practice in Koukaki. He graduated from the Military Medical School of Aristotle University of Thessaloniki. Subsequently, he specialized in Pathology and Cardiology at the Hippocrates General Hospital of Athens and received further training in Cardiology at HARVARD MGH Hospital in Boston, USA. He has many years of experience in Cardiology, having worked at the American Hospital of Mon Belgium as well as serving as Director of the Cardiology Clinic at the 251 Hellenic Air Force General Hospital and later as Hospital Director. Finally, he established the Municipal Polyclinic of the Papagou municipality and upgraded the Municipal Polyclinic of the Cholargos municipality.

Cardiologist Mparmpagiannis Dimitrios is a graduate of the Medical School of Athens and holds a postgraduate degree from the Medical School of the University of Thessaly. He began his cardiology specialization at the Akademisches Lehrkrankenhaus der Universität Duisburg-Essen in Oberhausen, Germany, and completed it at G.N.P. Tzaneio. During his specialization, he demonstrated a particular interest in echocardiography, in which he specialized. After successfully passing examinations, he obtained certification from the European Association of Cardiovascular Imaging (EACVI) in Adult Transthoracic Echocardiography (TTE Certification) and Adult Transoesophageal Echocardiography (TOE Certification). Concurrently, he earned the European Diploma in Cardiology (Exams in General Cardiology) from the European Society of Cardiology (ESC). After obtaining his cardiology specialty, he was selected as a fellow by the Hellenic Cardiological Society for further training in advanced echocardiographic techniques (stress echo, transoesophageal echocardiography, Strain, 3D Echo), which he is undertaking at the Echocardiography Training Center of G.N.P. Tzaneio, "D. Beldekos." Currently, he practices cardiology in his private clinic in Nikaia, while simultaneously serving as a fellow at the Tzaneio Echocardiography Training Center, providing medical services and conducting research across all its departments.

Andreas Tsoumeleas is an Interventional Cardiologist and the scientific director of the Health Diagnosis multi-specialty clinic. He is also the head of the Cardiology Department at the Athens Therapy Center, an Interventional Cardiologist at the Athens Bioclinic, and an external collaborator with the "HYGEIA" and "IASO GENERAL" Hospitals. He holds a degree in Medicine from the Medical School of the National and Kapodistrian University of Athens (NKUA), graduating with honors ("very good"). He completed his specialization in Cardiology, which included two years of Internal Medicine at the 2nd University Internal Medicine Clinic of the G.N.A. "Hippokration" and four years of Cardiology at the 2nd Cardiology Clinic of the General Hospital of Athens "Korgialeneio - Benakeio Hellenic Red Cross." He obtained his Cardiology specialty title in 2019. Subsequently, he specialized and participated for two years in the full scope of Interventional Cardiology (coronary angiographies, angioplasties, bifurcation lesions, heavily calcified lesions, rotational atherectomy, chronic total occlusions) at the Hemodynamics Laboratory of the "Red Cross" Hospital. He is a member of the Hellenic Cardiological Society (HCS) and the European Society of Cardiology (ESC). Finally, he is a member and ALS instructor at the Hellenic Cardiopulmonary Resuscitation Society (HCRS) and the European Resuscitation Council (ERC).

Tsaggaris Adamantios is an Interventional Cardiologist, maintains a private practice in Marousi, and serves as a Cardiologist Consultant at the Red Cross (Korgialeneio - Benakeio EES). He graduated from the Medical School of the National and Kapodistrian University of Athens. He specialized in Pathology at Rutgers New Jersey Medical School in the USA. He specialized in Cardiology at the University of Minnesota in the USA. He completed subspecialty training in interventional cardiology and structural cardiology (TAVI, MitraClip, Watchman) at the University of Minnesota in the USA (worked at VA MPLS, Fairview Hospital, Southdale Hospital). He is a Diplomate of the American College of Cardiology. He has been awarded, following examinations, the American Subspecialty Certificates in Cardiology (ABIM-Cardiology) and Interventional Cardiology (ABIM-Interventional Cardiology). He is board certified in echocardiography (National Board of Echocardiography). He has published papers in international scientific journals and has presented at Greek, American, and European conferences. He is a member of the American College of Cardiology as well as the Hellenic Cardiological Society. In his practice, he manages cases covering the entire spectrum of cardiology and specializes in coronary artery disease and valvular heart diseases (interventional and structural cardiology).

Mprinkmagier - Theofanopoulou Maria Konstantina is a Cardiologist. She graduated from the Medical School of the University of Patras. She specialized in Cardiology at Städtisches Klinikum Karlsruhe, an Academic Teaching Hospital of the University of Freiburg. After obtaining her specialty, she worked as a Cardiologist at the same hospital with the rank of Senior Registrar (Episimiatri B’). Subsequently, she served as Senior Registrar (Episimiatri A’) of the Cardiology Department at Fürst - Stirum - Klinik Bruchsal, an Academic Teaching Hospital of the University of Heidelberg, where she was responsible for the ultrasound laboratory and invasive echocardiography. She was awarded the Young Researcher Award in 2017 at the 82nd Annual Cardiology Conference of the German Cardiology Society. Additionally, she is specialized in emergency medicine (Notfallmedizin) and holds a license from the Ministry of Health to perform ultrasounds using new techniques (Stress Echo, transesophageal echocardiography). She has also received certification (Sachkunde) in special cardiovascular prevention from the German Cardiology Society. In 2024, she returned to Greece, where she works as a Registrar at the Theia Pronoia Hospital "Pammakaristos". Finally, she maintains a private cardiology practice at Premedicare Health Clinic in Agia Paraskevi, covering the entire spectrum of cardiology.