Καρδιολόγος - Αρρυθμιολόγος - Επεμβατικός Ηλεκτροφυσιολόγος

Iros Konstantopoulou 46, Ilioupoli, Attica

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Why he is suitable for you

Giannainas Nikolaos is a Specialist Cardiologist, Expert Arrhythmologist, and Interventional Electrophysiologist based in Ilioupoli. He holds a medical degree from the Democritus University of Thrace and has completed postgraduate studies in Interventional Cardiology at the National and Kapodistrian University of Athens. He also holds the European Diploma in Cardiology, the European Diploma in Electrophysiology, and the European Diploma in Cardiac Pacing. He specialized at the General Hospital of Elefsina "Thriasio" and the General Hospital of Lamia, and completed his Cardiology specialty at the Nursing Foundation of the Army Fund (NIMTS). After completing his cardiology specialty in Greece, he pursued further specialization in clinical and interventional arrhythmology in the United Kingdom, where he served as Consultant Electrophysiologist and Cardiac Device Specialist at Freeman Hospital - Newcastle, UK, as well as at the largest cardiology hospital in England, the Barts Heart Centre in London. Giannainas Nikolaos specializes in the monitoring and treatment of tachycardias, bradycardias, and premature contractions; catheter ablation of atrial fibrillation and cardiac arrhythmias; implantation and follow-up of pacemakers and defibrillators. He provides these services at his fully equipped and modern private clinic located in the Ilioupoli area, as well as at affiliated hospitals.

The description was edited by the doctoranytime team, based on verified information.

Experience

Relative Experience

Τέως Επιμελητής Ηλεκτροφυσιολογίας, Freeman Hospital, Newcastle-upon-Tyne, UK. Τέως Επιμελητής Ηλεκτροφυσιολογίας και Καρδιακών Συσκευών, Barts Heart Centre, London, UK. Αρρυθμιολόγος - Επεμβατικός Ηλεκτροφυσιολόγος (εξωτερικός συνεργάτης), ΙΑΣΩ Γενική Κλινική, Αθήνα. Ειδικότητα Καρδιολογίας, Νοσηλευτικό Ίδρυμα Μετοχικού Ταμείου Στρατού (ΝΙΜΤΣ).

106 patients' recommendations

Relative Studies

Ευρωπαϊκό Δίπλωμα Καρδιακής Βηματοδότησης και Ευρωπαϊκό Δίπλωμα Ηλεκτροφυσιολογίας από την European Heart Rhythm Association (EHRA). 3 Έτη Εξειδίκευσης στο μεγαλύτερο Αρρυθμιολογικό Κέντρο στο Ηνωμένο Βασίλειο. Συμμετοχή σε πολυάριθμα εκπαιδευτικά σεμινάρια.

Services

Costs are indicative and will be determined on a case by case basis

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Patient Reviews

10.0
From 106 reviews

Real reviews for real people

Investigated my case in depth
10
Trustworthy
10.0
Experienced & qualified
10.0
Punctual
10.0
Approachable & friendly
10.0

Reviews are written by people who had an appointment with a specialist and want to share their experience. Learn how we ensure their authenticity

  • All (106)
  • Positive (106)
  • Neutral (0)
  • Negative (0)

10.0
ΜΙΧΑΗΛ • 2 reviews
Κατατοπιστικός σε ότι τον ρώτησα. Eυγενικός, σωστός επαγγελματίας
24 April 2026

10.0
Σοφία • 2 reviews
Μείναμε απόλυτα ευχαριστημένοι με τον γιατρό. Ήταν άψογος σε όλα τα επίπεδα. Τον συστήνουμε ανεπιφύλακτα!
08 April 2026

10.0
Θυμιο • 1 review
Ειχε ενσυναισθηση ανθρωπια και ακουσε τη περιπτωση!
03 April 2026

10.0
Ελένη • 4 reviews
Τον γιατρό τον έχω επισκεφθεί ξανά στο παρελθόν,είναι εξαιρετικός σε όλα τα επίπεδα!Τον συστήνω ανεπιφύλακτα!
28 March 2026

10.0
Yiannis • 2 reviews
Εξαιρετικός γιατρός. Πρόθυμος να μου λύσει όλες τις απορίες που είχα. Λεπτομερής εξέταση.
17 March 2026

10.0
Βιτάλι • 2 reviews
Άψογος επαγγελματίας! Μίλησε με ευγένεια στη μητέρα μου, με υπομονή και κατανόηση. Ήταν επεξηγηματικός στην ανάλυση των εξετάσεων και έκανε εύστοχες ερωτήσεις. Δεν υπήρχε πίεση χρόνου στο ραντεβού. Από τους λίγους γιατρούς που εξηγούν τις διαγνώσεις και τον επαγγελματικό τους συλλογισμό, αφήνοντας τον ασθενή χωρίς αμφιβολίες για το συμπέρασμα. Τον προτείνω ανεπιφύλακτα!
11 March 2026

10.0
ΑΝΝΑ ΜΑΡΙΑ • 1 review
Εξαίρετος επιστήμονας και άνθρωπος με άριστες γνώσεις για την επιστήμη μου.
04 March 2026

10.0
Κωστας • 2 reviews
Εξαιρετικός ιατρός, εμπνέει εμπιστοσύνη.
23 February 2026

10.0
ΧΡΙΣΤΙΝΑ • 1 review
Πρώτη φορά πήγα, έμεινα απόλυτα ικανοποιημένη. Ο γιατρός ήταν πολύ ευγενικός, με έκανε να αισθανθώ άνετα κατά την διάρκεια της εξέτασης και ήταν πολύ επεξηγηματικός με τα αποτελέσματα.
13 February 2026

10.0
Μαρια • 1 review
Ο ιατρος εχει επιστημονικη και ανθρωπινη ταυτοχρονα προσεγγιση, ειναι μεθοδικος και επεξηγηματικος. Αφιερωσε χρονο να δει το ιστορικο, εκανε ερωτησεις και λεπτομερη εξεταση. Ειναι μια ασφαλης επιλογη και τον συστηνω ανεποφυλακτα.
12 February 2026

Contact and location

    • Address
      Iros Konstantopoulou 46, Ilioupoli, Attica
    • Metro
      • 680m ΗΛΙΟΎΠΟΛΗ
      • 1.02km ΆΓΙΟΣ ΔΗΜΉΤΡΙΟΣ
    • Bus
      • 10m ΓΑΒΡΙΗΛΙΔΗ
      • 50m ΡΟΙ??ΔΗ
      • 170m ΚΑΛΒΟΥ
    • Parking
      • Easy parking
Could not find any practice in map.

Payment Methods

  • Payment Methods

    • Bank Card
    • Cash

    Appointment Policy

    • Payment at the practice

      During your visit, you can select the payment method of your choice from the options mentioned above.

    • Cancellation

      You can always cancel up to 3 hours before the appointment. For more information please read our cancellation policy.

Collaborations with Hospitals/Clinics

  • ΙΑΣΩ Γενική Κλινική
  • Mediterraneo Hospital

Curriculum Vitae and Career

Studies

  • European Diploma in Cardiac Pacing, European Heart Rhythm Association, EHRA (2023)
  • European Diploma in Electrophysiology, European Heart Rhythm Association, EHRA (2022)
  • European Diploma in Cardiology, European Society of Cardiology, ESC (2021)
  • Specialty Title in Cardiology, Hellenic Medical Association, HMA (2020)
  • Postgraduate Program, Interventional Cardiology, National and Kapodistrian University of Athens (2017 - 2019)
  • Medical Degree, Medical School, Democritus University of Thrace (2011)

Professional experience

  • Consultant (Post CCT Fellow) in Electrophysiology and Cardiac Devices, Barts Heart Centre, London, United Kingdom (2021 - 2023)
  • Consultant in Cardiac Electrophysiology, Freeman Hospital, Newcastle, United Kingdom (2020 - 2021)
  • Cardiology Specialty Training, Military Fund Nursing Institution (NIMTS), Greece (2018 - 2020)
  • Cardiology Specialty Training, Elefsina General Hospital "Thriasio" (2016 - 2018)
  • Cardiology Specialty Training, Lamia General Hospital (2015 - 2016)
  • Internal Medicine Specialty Training, Elefsina General Hospital "Thriasio", Greece (2013 - 2015)
  • Rural Physician, Stilida Health Centre - Lamia General Hospital, Greece (2012 - 2013)
  • Military Physician, Hellenic Armed Forces, Greece (2011 - 2012)

Organisations member

  • Ιατρικός Σύλλογος Βρετανίας (Specialist Register - Cardiology)
  • Ελληνική Καρδιολογική Εταιρεία
  • Ιατρικός Σύλλογος Αθηνών
  • British Heart Rhythm Society
  • European Society of Cardiology
  • European Heart Rhythm Association
  • EHRA Young Electrophysiologists
  • Heart Rhythm Society (USA)
  • Ομάδα Εργασίας Ηλεκτροφυσιολογίας και Βηματοδότησης

Participation in conferences

  • Advanced CIED course, European Heart Rhythm Association (2024)
  • Rhythmia Masterclass London, Boston Scientific (2023)
  • Making Sense of SVT course, Abbott (2022)
  • EnsiteX Discovery course Brussels, Abbott (2022)
  • Advanced EP with Focus on VT ablation course, European Heart Rhythm Association (2022)
  • Advanced EP with Focus on AF ablation course, European Heart Rhythm Association (2022)
  • Interventional Electrophysiology and Examination Preparatory course, European Heart Rhythm Association (2022)
  • CARTO Hands on Simulator for LA mapping and ablation course, Biosense Webster (2022)
  • Radiation Protection for Cardiology course, The British Institute of Radiology (2021)
  • Good Clinical Practice course, National Institute for Health and Care Research (2021)
  • Radiation Protection in Fluoroscopy Guided Interventional Procedures course, International Atomic Energy Agency (UK) (2020)
  • Σεμινάριο: Μαγνητική Τομογραφία Καρδιάς, Ελληνική Καρδιολογική Εταιρεία (2018)
  • Σεμινάριο: Νεότερες Τεχνικές Υπερηχωκαρδιογραφήματος, Ελληνική Καρδιολογική Εταιρεία (2018)
  • Σεμινάριο Εξειδικευμένης Υποστήριξης της Ζωής (ALS), Ελληνική Εταιρεία Καρδιοαναπνευστικής Αναζωογόνησης (2013)

Spoken languages

  • English

Academic research and publications

  • Radiofrequency Lesion Quality Markers: Current State of Knowledge, European Journal of Arrhythmia & Electrophysiology (2022)
  • Predictors and clinical value of Late Gadolinium Enhancement on CMR in patients with Premature Ventricular Contractions and normal echocardiogram, European Journal of Arrhythmia & Electrophysiology (2022)
  • Evaluation of the prophylactic role of pethidine in avoiding radial artery spasm during transradial cardiac interventions, European Heart Journal (2021)
  • Atrial electrical activity in patients with cryptogenic stroke, ESC Preventive Cardiology (2020)
  • The value of investigating palpitations in primary care, ESC Preventive Cardiology (2020)
  • Rare case of Meig's syndrome with elevated Ca-125 marker, 20th National Congress of Internal Medicine (2014)
  • Cholestatic syndrome following use of Methandrostenolone, 20th National Congress of Internal Medicine (2014)
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