Cardiologists including treatment for children under 12 years near Kolonos

Karampekos Dimitrios is a Specialist Cardiologist and maintains a private practice in Palaio Faliro. He is a member of the Hellenic and European Society of Cardiology, a scientific collaborator at the Athens Medical Center – Palaio Faliro Clinic, and the scientific director of the Cardiology Department at the Biomedical Korydallos. He completed his specialty in Cardiology at one of the largest hospitals in Athens, the General State Hospital of Nikaia, thus acquiring significant clinical experience in managing acute and chronic cardiology cases. His private practice provides high-level services using modern diagnostic tools (echocardiography, cardiac rhythm Holter, blood pressure Holter). Additionally, he has substantial experience in various therapeutic areas, including arterial hypertension, hyperlipidemia, arrhythmia management, coronary artery disease, heart failure, preschool and pre-athletic screening.

Karamanou Aleksandra is a Cardiologist and PhD holder from the University of Athens, with a private practice in Agios Dimitrios, actively engaged in the full spectrum of cardiology. She studied Medicine at the National and Kapodistrian University of Athens. During her studies, she worked for 3 months at Kantonspital Bruderholz in Switzerland. As a rural doctor, she served for 2 years at the Peripheral Clinic of Gravia and at the General Hospital of Amfissa from 2005 to 2007. As a Cardiology Resident, she worked at Sismanoglio Hospital in Athens and completed her specialty training at the General Hospital "Asklipieio Voulas". During her specialty, she trained at the Hemodynamic Laboratory of Asklipieio Voulas, the Nuclear Medicine Department of Metaxa General Hospital, and the Cardiac Surgery Clinic of Hippokration Hospital in Athens.

Subsequently, she received further training in Advanced Echocardiographic Techniques (stress echo and transesophageal echocardiography) at the 251 General Military Hospital of Athens and obtained the corresponding specialization certification following examinations. She also worked as a Scientific Collaborator at the 2nd University Cardiology Clinic of the University General Hospital "Attikon" during the preparation of her doctoral thesis. Additionally, she holds certification from the Hellenic Cardiological Society for smoking cessation. Finally, she has participated as a speaker in numerous conferences presenting her research work and has published articles in both Greek and international journals. She collaborates with diagnostic centers and private clinics in Athens.

Astrinakis Stylianos is a Cardiologist with a private practice in Peristeri. He holds a degree from the Medical School of the National and Kapodistrian University of Athens and specialized in Pathology at the Pathology Clinic of the General Hospital of Rethymno, in Cardiology at the Cardiology Clinic of the General Hospital of Rethymno, and in Clinical Cardiology at the Cardiology Clinic of the General Hospital of Athens "Elpis". He received further training in Lipidology from the Hellenic Atherosclerosis Society and in Advanced Ultrasonographic Techniques at the General State Hospital of Nikaia "Agios Panteleimon". Additionally, he trained at the Pediatric Cardiology Department of the Athens Children's General Hospital "P. & A. Kyriakou" and at the Antihypertensive Clinic and Hemodynamic Laboratory of the 1st Cardiology Clinic of the University of Athens at the General Hospital of Athens "Hippocratio". He is affiliated with Mitera Hospital, Iatriko Peristeriou, and the "Doctors Hospital" Clinic, and serves as an external scientific collaborator at the 1st Cardiology Clinic of "Errikos Dynan" Hospital. Finally, the physician is a member of the Athens Medical Association, the Hellenic Cardiological Society, and the Hellenic Atherosclerosis Society.

Oikonomidis Nikolaos is a Cardiologist and PhD holder from the Medical School of the University of Athens, with a private practice in Peristeri. Additionally, he serves as a Specialist Cardiologist in the Cardiology Department of Metropolitan Hospital and Cardiologist Consultant at YGEIA Hospital. He specializes in Clinical and Interventional Cardiology, as well as Echocardiography. He manages a wide range of cases, consistently combining his thorough scientific knowledge with many years of experience and professionalism. Furthermore, he continuously pursues education and training in the field of Cardiology, having attended numerous conferences, seminars, and training programs both in Greece and abroad. Finally, his academic publications are noteworthy, including his doctoral thesis entitled "Study of inflammation, tissue, and immunological response in early stages of atheromatosis."

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.

Tolios Panagiotis - Patient Welfare Private Clinics is an Interventional Cardiologist - Electrophysiologist - Arrhythmologist and maintains a private practice in Galatsi. He holds the position of Senior Registrar A' at the General State Hospital of Athens "G. Gennimatas". He is a graduate of the Medical School of Universita Degli Studi Chieti and specialized in Interventional Cardiology at the General Hospital of Athens "Elpis" and in Electrophysiology at the General Hospital of Athens "Hippocrates". In his private practice, he provides services such as heart triplex, electrocardiogram, pacemaker-defibrillator monitoring, prescriptions, sports certificates, while he has particular expertise in arrhythmias, atrial fibrillation, and heart failure.

Mr. Kouremetis Mixalis is a Cardiologist who has maintained a private practice in Nea Smyrni since 1991. He holds a degree and graduated with honors as a Doctor from the National and Kapodistrian University of Athens. He specialized at the Cardiology Clinic of the General Hospital of Athens "Hippokration." He has undergone further training for six months in Cardiac Ultrasound and for twenty months in Interventional Cardiology at the University Cardiology Clinic of the General Hospital of Athens "Hippokration." He has extensive experience across the full spectrum of Clinical Cardiology (coronary artery disease, valvular heart disease, arterial hypertension, hyperlipidemia, arrhythmias, cardiomyopathies, heart failure). The practice offers: Heart and aortic triplex, stress testing, Holter monitoring of rhythm and blood pressure, pre-athletic screening for children and adults. He has participated in 21 studies presented at international and Greek conferences and journals, and has also delivered lectures at conferences and workshops in Greece and Europe. Finally, the doctor is a member of the Athens Medical Association, the Hellenic Cardiological Society, the Hellenic Hypertension Society, and is also a member of the Board of Directors of the Association of Independent Cardiologists. *The doctor is contracted with the "Prolavo" Doxiadis program*

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 πραγματοποίησε 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. Κατοπιν εκπαιδεύτηκε στην επεμβατική καρδιολογία στο Πανεπιστημιακό νοσοκομείο του Τορόντο (Peter Munk Cardiac Center) όπου πραγματοποίησε πάνω από 1000 στεφανιογραφίες και 300 αγγειοιοπλαστικές. 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.

Theodoros Xeimonas is a Cardiologist who maintains a private practice in Cholargos. He holds a PhD from the University of Ioannina, with a dissertation titled "Cardiovascular risk in individuals with metabolic syndrome," awarded with distinction, and a Medical Degree from the University of Patras, where he graduated with the highest honors among his peers. Dr. Xeimonas has specialized in echocardiography as well as clinical and preventive cardiology, training he acquired at the 251 Air Force General Hospital and the 417 Military Fund Nursing Institution. He possesses extensive professional experience in his field, serving as an external collaborator for the "Errikos Dynan" Hospital Center and Biomedical S.A. since 2015, while also acting as the scientific director at Viotypo S.A. since 2016. Furthermore, he has contributed to six research studies on cardiovascular diseases published in peer-reviewed journals. The practice offers comprehensive services including cardiac and aortic triplex, electrocardiogram, rhythm holter monitoring, blood pressure holter monitoring, EOPYY prescription issuance, certificates and attestations, pre-athletic screening and health cards, as well as home visits.

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.

Papamentzelopoulos Spyridon is a Cardiologist and operates a private practice in Piraeus. He was admitted to the Military Officers School of Corps and is a graduate of the Medical School of Aristotle University of Thessaloniki. He initially specialized in Pathology at the 401 General Military Hospital of Athens for two years, including nine months in the Intensive Care Unit, and subsequently specialized in Cardiology for four years at the Onassis Cardiac Surgery Center. There, he participated in the management of numerous and complex cardiological cases, while also performing hundreds of diagnostic (stress tests, echocardiograms, Holter monitoring, and others) and interventional procedures (coronary angiographies, angioplasties, cardiac catheterizations, intravenous pacing). Additionally, he has participated in international studies of new transcatheter techniques for treating cardiac valve diseases (TAVI), as well as in the monitoring of patients with heart failure (using left ventricular assist devices [LVAD]) and heart transplantation. At his private practice, he provides specialized solutions tailored to the needs of his patients.

Kristi Magnisali is a specialist Cardiologist, graduate of the Medical School of the National and Kapodistrian University of Athens, with extensive and high-level scientific training in Internal Pathology and Cardiology. Her specialization was completed at leading tertiary care hospitals in Germany, including the University Hospital of Cologne (Uniklinik Köln) and the University Hospital of Düsseldorf (Universitätsklinikum Düsseldorf), where she was trained in all modern diagnostic and therapeutic methods of Cardiology, with particular emphasis on Interventional Cardiology, Intensive Care, and Arrhythmology.

After completing her specialty, she served as a Specialist Cardiologist at the University Hospital of Düsseldorf, undertaking increased clinical and scientific responsibilities, including leadership of the Arrhythmia Clinic and supervision of the Echocardiography Laboratory. As part of her ongoing scientific development, she further specialized in the latest ultrasound techniques, such as dynamic echocardiography (stress echocardiography) with pharmacological stress and transesophageal echocardiography, significantly enhancing diagnostic accuracy in the investigation of complex cardiological diseases.

Possessing significant clinical and scientific work, she currently serves as an Attending Cardiologist at Metropolitan Hospital, integrated within the Clinic of Interventional Cardiology, Electrophysiology, and Pacemaker Therapy, while simultaneously acting as a Scientific Collaborator at the 2nd University Clinic of the Children's Hospital “Aghia Sophia Kyriakou,” where she is active in the specialized field of Pediatric Cardiology, focusing on the diagnosis, monitoring, and management of congenital and acquired pediatric heart diseases.

Agapitou Elena is a Cardiologist and maintains a private practice in Ilioupoli. She graduated with honors from the Medical School of Athens. She specialized in Cardiology at the General Hospital of Athens "G. Gennimatas." She also obtained the corresponding European certification after examinations (ESC). She has extensive experience from the University Hospitals of Lausanne and Geneva in Switzerland, where she acquired her first specialty title as an Internist and received additional training in Angiology.

Her practice is equipped with state-of-the-art technology and she manages cases across the full spectrum of clinical cardiology, as well as home visits with the capability to perform electrocardiograms, triplex scans, and the placement of rhythm and blood pressure Holter monitors.

The physician participates in the Cardiovascular Prevention program (free examination and cardiological assessment with a referral).

Dr Gkonteva Maria is a Specialist Cardiologist - Military Physician with a private practice in Korydallos. She graduated from the Medical School of Democritus University of Thrace. She completed a 2-year residency in Internal Medicine at the 401 General Military Hospital of Athens, followed by a 4-year cardiology specialty training at the Onassis Cardiac Surgery Center. She has been trained across the full spectrum of cardiology with extensive case experience, actively participating in complex cases of heart failure, transplants, valvular heart diseases, interventional techniques (coronary angiography, angioplasty, TAVI), and imaging techniques (echocardiography, cardiac MRI, scintigraphy). She is also a graduate of the Officers School of Nursing, where she served as a Nursing Officer in clinics at the 401 GMHA, gaining valuable experience in a multidisciplinary patient approach. Additionally, she graduated from the Department of Primary Education of the National and Kapodistrian University of Athens and holds a master's degree from the Department of Early Childhood Education and Educational Design of the School of Humanities at the University of the Aegean. Her diverse education and experience guide her in providing personalized care and solutions tailored to your needs. Currently, she is an Attending Cardiologist at the Cardiology Clinic of the 401 GMHA and is undergoing further training in the latest cardiac ultrasound techniques (stress echo, contrast echo, transesophageal echocardiography) at the Onassis Cardiac Surgery Center. Furthermore, she is a member of the Special Corps of Physicians of KEPA. She examines adults and children over 6 years old. Lastly, Dr. Gkonteva participates in the National Program for the prevention and management of cardiovascular risks.

Dr. Tsagkou Vasiliki is a Cardiologist who maintains a private practice in Galatsi. She holds a medical degree from the School of Health Sciences at the National and Kapodistrian University of Athens and has specialized in cardiology at the General Hospital of Athens "Evangelismos." She has extensive professional experience, having worked in major Greek clinics such as Euromedica, Euroclinic Athens, and the Internal Medicine Clinic of the General Prefectural Hospital of Sparta. As part of her continuous education, Dr. Tsagkou attends and participates in a large number of conferences both in Greece and abroad and has contributed to over one hundred papers and publications in Greek and international conferences. With years of experience and scientific knowledge, the cardiologist undertakes the prevention and diagnosis of cardiovascular diseases, utilizing state-of-the-art medical equipment that facilitates patient examination and treatment. Finally, Dr. Tsagkou is a member of the Hellenic Cardiological Society.

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.

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.

Η Δρ. Πολυτάρχου Καλή είναι Καρδιολόγος, Επιμελήτρια του Α΄ Καρδιολογικού τμήματος / Ηλεκτροφυσιολογίας και Βηματοδοτών του Ερρίκος Ντυνάν Hospital Center, ενώ διατηρεί και ιδιωτικό ιατρείο στη Γλυφάδα. Είναι απόφοιτος της Ιατρικής Σχολής του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών, κάτοχος Μεταπτυχιακού Διπλώματος Ειδίκευσης και Διδάκτωρ της Ιατρικής Σχολής του Πανεπιστημίου Αθηνών, με αντικείμενο τη δυναμική υπερηχοκαρδιογραφία (Stress Echo) και την καρδιακή ανεπάρκεια. Το 2018 έλαβε τον τίτλο ειδικότητας της Καρδιολογίας και το Ευρωπαϊκό Δίπλωμα Καρδιολογίας (European Examination in General Cardiology, European Society of Cardiology). Έχει εργαστεί και ειδικευτεί επί 5 έτη στην Α΄ Καρδιολογική κλινική του Γενικού Νοσοκομείου Αθηνών "Ο Ευαγγελισμός", και απέκτησε επιπρόσθετη εμπειρία στη Παιδο - Καρδιολογία στο Νοσοκομείο Παίδων "Η Αγία Σοφία". Ακολούθως, εξειδικεύτηκε στις νεότερες τεχνικές υπερηχοκαρδιογραφίας, τη δυναμική υπερηχοκαρδιογραφία (Stress Echo) με φαρμακευτική κόπωση και κόπωση με ύπτιο ποδήλατο και τρισδιάστατο διοισοφάγειο υπερηχοκαρδιογράφημα, ως επιστημονικός συνεργάτης του Εργαστηρίου Δυναμικής Υπερηχοκαρδιογραφίας της Α΄ Πανεπιστημιακής Καρδιολογικής Κλινικής του Γενικού Νοσοκομείου Αθηνών "Ιπποκράτειο". Εν συνεχεία, υπηρέτησε επί ένα έτος στο Ειδικό Αντικαρκινικό Νοσοκομείο Πειραία "Μεταξά", ως επιμελήτρια Καρδιολόγος, με ιδιαίτερη ενασχόληση την Καρδιο- Ογκολογία. Η κ. Πολυτάρχου έχει σημαντικό επιστημονικό και ερευνητικό έργο με πλήθος δημοσιευμένων επιστημονικών άρθρων σε έγκριτα διεθνή ξενόγλωσσα περιοδικά με υψηλό συντελεστή απήχησης (impact factor), καθώς και σε διεθνή και ελληνικά επιστημονικά συνέδρια Καρδιολογίας. Έχει συμμετάσχει ως προσκεκλημένη ομιλήτρια και σχολιάστρια σε διάφορα επιστημονικά συνέδρια και είναι συγγραφέας ελληνικών και ξενόγλωσσων βιβλίων καρδιολογίας. Είναι ενεργό μέλος της Ελληνικής και της Ευρωπαϊκής Καρδιολογικής Εταιρίας, της Ομάδας Εργασίας Ηχωκαρδιολογίας και του Ιατρικού Συλλόγου Αθηνών και Πειραιώς. Είναι Καρδιολόγος εξειδικευμένη στην υπερηχοκαρδιογραφία, την καρδιακή ανεπάρκεια και μυοκαρδιοπάθειες, τις βαλβιδοπάθειες, την αρτηριακή υπέρταση, τη στεφανιαία νόσο και τις αρρυθμίες.