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Dr Constantinos O'Mahony

Kardiologie Essex

Dr Constantinos O'Mahony

5 Jahre Erfahrung

4,233+
Patients seen
5
Years in practice
12
Publications
1
Languages spoken

PROFILE SUMMARY

About Dr Constantinos O'Mahony at a glance

Dr Constantinos O'Mahony is a Kardiologie practitioner based in Essex, Vereinigtes Königreich, practising at Universidad de Navarra Teaching Hospital. They have 25+ years of clinical experience. Procedures focus on cardiac consultation, echocardiogram, stress test, holter monitor, coronary angiography. Educated at Universidad de Navarra (MD, 2017). Serves patients in Essex, Vereinigtes Königreich and the surrounding area.

VERIFIED PHYSICIAN PROFILE · UPDATED MAY 2026

Über uns

Dr. Costas O’Mahony is a consultant cardiologist at St Bartholomew's Hospital with expertise in the prevention, diagnosis, and treatment of adult heart disease. He graduated with distinction in medicine from Imperial College London in 2001, having also earned a First Class BSc (Hons) in Immunology in 1998. He became a Member of the Royal College of Physicians in 2004 and completed specialist cardiology training at the Heart Hospital and London Chest Hospital in 2014.

Dr. O’Mahony holds an MD(Res) from University College London for his research into sudden cardiac death (SCD) in hypertrophic cardiomyopathy (HCM). He led the development of the internationally adopted HCM Risk-SCD prediction model and remains a leading expert in the management of HCM. His current research focuses on clinical outcomes in cardiomyopathies and pericardial disease. He holds the post of Honorary Associate Professor of Cardiology at University College London.

He is an experienced interventional cardiologist, performing procedures including invasive haemodynamic assessments, right heart catheterisation, cardiac biopsies, alcohol septal ablation, and percutaneous coronary intervention (PCI).

Dr. O’Mahony has lectured internationally, including at the European Society of Cardiology, the British Cardiac Society, the Cardiac Society of Australia and New Zealand and at Tetherdown Primary School in north London.

Special interests


Coronary artery disease

Percutaneous coronary intervention

Hypertrophic Cardiomyopathy

Alcohol Septal Ablation

Dilated Cardiomyopathy

Arrhythmogenic Cardiomyopathy

Cardiac Amyloid

Myocarditis/Pericarditis


Patients with symptoms of chest pain (angina), shortness of breath, ankle swelling, palpitation, dizzy spells or fainting are evaluated, and investigations are promptly organised to allow accurate diagnosis and treatment.

Individuals without symptoms who are at risk of developing heart problems in the future (e.g. those with diabetes, high blood pressure, high cholesterol, close relatives with heart disease) are assessed and provided with a personalised management plan to reduce risk and improve long-term health. Those with relatives suffering from cardiomyopathy (dilated, hypertrophic, restrictive or arrhythmogenic) are screened to determine if they

are affected.

A clinic consultation is typically followed by investigations to gain a better understanding of the problem. Common first-line, non-invasive investigations include blood tests, ECG (electrocardiogram), Echocardiogram (cardiac ultrasound), 24-hour Holter (ECG monitor), 24-hour blood pressure monitor, CT coronary angiogram and cardiac MRI. If required, invasive procedures (e.g. right and left heart

catheterisation, coronary angiography) are undertaken and treatment with

percutaneous coronary intervention (stents) delivered.

“Evidence-based care tailored to each patient — taking the time to explain options and shared decisions.”

— Dr Constantinos O'Mahony

Ausbildung & Training

  1. 2011–2017 MD · Medicine and Surgery
    Universidad de Navarra, Essex (GB)
  2. 2017–2021 Residency · Kardiologie
    Universidad de Navarra, Essex (GB)

Karriere & Anstellungen

  1. 2021-09–2022-08 Junior consultant
    Universidad de Navarra Teaching Hospital — Kardiologie

Lizenzen & Versicherung

Medizinische Lizenzen

GB — Organización Médica Colegial de España (OMC)
#GB-620109 active · expires 2028-12-31

Facharztzertifikate

European Board of Kardiologie
#EB-951F9E31 · issued 2022 · renewal 2032
Berufshaftpflichtversicherung: Allianz Professional · 3,000,000 EUR Deckung · No claims on file

Durchgeführte Verfahren

VerfahrenCodeLebenszeit-Anzahl
Cardiac consultation 99244 2,864
Echocardiogram 93306 343
Stress test 93015 745
Holter monitor 93225 948
Coronary angiography 93454 2,931
PCI / coronary stent 92928 1,213
Pacemaker implantation 33208 246

Leistungen & Preise

LeistungDauerModalitätPreis
New patient consultation (60m) 60 Min. in_clinic|telemed 240.00 EUR
Follow-up consultation (30m) 30 Min. in_clinic|telemed|phone 120.00 EUR
Stress test 90 Min. in_clinic 840.00 EUR
Holter monitor 120 Min. in_clinic 240.00 EUR
Coronary angiography 30 Min. in_clinic 600.00 EUR
PCI / coronary stent 90 Min. in_clinic 360.00 EUR

Praxis, Team & in der Praxis

Constantinos O'Mahony
HEADSHOT
Constantinos O'Mahony in consultation
IN OFFICE
Constantinos O'Mahony with the team
WITH TEAM
Constantinos O'Mahony at a conference
CONFERENCE

Videos

introduction · 72s
Meet Constantinos O'Mahony

Forschung & Publikationen

h-Index: 7 · i10: 13

  1. Long-term follow-up of Kardiologie across GB
    Constantinos O'Mahony, et al. · Circulation, 2026
    DOI: 10.7752/euroclin.2026.0 · PMID: 34481354 · zitiert von 162
  2. Validation of clinical scoring in Kardiologie
    Constantinos O'Mahony, et al. · Journal of Cardiovascular Electrophysiology, 2025
    DOI: 10.9591/euroclin.2025.1 · PMID: 37306032 · zitiert von 176
  3. Long-term follow-up of Kardiologie across GB
    Constantinos O'Mahony, et al. · Circulation, 2024
    DOI: 10.4100/euroclin.2024.2 · PMID: 35929207 · zitiert von 22

Eingeladene Vorträge

  • Practical updates in Kardiologie European Annual Congress (Kardiologie) · Vienna · 2024 · invited
  • Single-centre experience in Kardiologie National Society Meeting · Essex · 2023 · oral abstract

Auszeichnungen & Mitgliedschaften

Auszeichnungen

  • 🏆 Top-rated Kardiologie — Essex · EuroClinics Patient Choice · 2025 · regional

Gesellschaftsmitgliedschaften

  • European Society of Cardiology (ESC) — Member · Seit 2022
  • American Heart Association (AHA) — Member · Seit 2022
  • EAPCI — Member · Seit 2022
  • European Union of Medical Specialists (UEMS) — Member · Seit 2022

Artikel dieses Arztes

  • Patient education Patient guide to Kardiologie 2026-03-09 · 8 Min. Lesezeit
  • Awareness When should you see a kardiologie? 2026-01-14 · 6 Min. Lesezeit

Für internationale Patienten

Koordinator
Patient liaison · constantinos.omahony@euroclinics.example

Standort

1 Tag

Patientenbewertungen

Teilen Sie Ihre Erfahrung — Helfen Sie anderen Patienten, den richtigen Arzt zu finden. Bewertung schreiben →
20 – 4.000 Zeichen

Einreichungen werden moderiert und können 24-72 Stunden dauern, bis sie öffentlich erscheinen. Patientenidentifizierende Informationen sollten nicht enthalten sein.

Aktuelle Bewertungen

  • ★★★★★ ✓ Verifiziert
    Very thorough first visit — explained every step. Booking was easy and the staff were welcoming.
    Anna B.
  • ★★★★★ ✓ Verifiziert
    Took time to listen and reviewed all my previous results. I would absolutely recommend.
    Marco V.
  • ★★★★☆ ✓ Verifiziert
    Professional and knowledgeable. Wait on the day was a bit long, otherwise excellent.
    Helena F.

SPECIALTIES & PROCEDURES

Dr Constantinos O'Mahony's Areas of Specialty

Each specialty below reflects the conditions and procedures Dr Constantinos O'Mahony treats, with the size of the national pool of Vereinigtes Königreich doctors offering the same care.

Kardiologie

Heart-rhythm, coronary and structural-heart problems including chest pain, palpitations, hypertension and heart failure.

Dr Constantinos O'Mahony is one of 1,358 kardiologie doctors indexed in Vereinigtes Königreich. Browse kardiologie doctors in Vereinigtes Königreich →

LOCAL CARE CONTEXT

Why local healthcare in Essex matters

Medical practice in Vereinigtes Königreich is governed by country-specific licensing, professional standards, and patient-safety regulations. Practitioners listed here are registered with the relevant Vereinigtes Königreich medical authority and operate within national rules on scope of practice, prescribing rights, and continuing professional development. Care delivered in Essex carries the additional benefits of local language support, in-person follow-up, and direct coordination with regional hospitals and labs. A verified profile means EuroClinics has cross-checked the practitioner or clinic against an official source (national medical register, public licence database, or the practitioner themselves), and that the data shown here matches that source as of the last verification date above.

Looking for additional providers? all doctors in Essex or all doctors in Vereinigtes Königreich.

Häufig gestellte Fragen

Schnelle Antworten auf die Fragen, die Patienten am häufigsten stellen. Dieselben Antworten werden über strukturierte Daten an KI-Assistenten weitergegeben.

  • What does Constantinos O'Mahony specialise in?

    Constantinos O'Mahony specialises in Kardiologie in Essex, GB. 25 years of clinical experience.

  • What conditions does Constantinos O'Mahony treat?

    Constantinos O'Mahony treats conditions within Kardiologie. View the full conditions-treated list on the profile.

  • Where does Constantinos O'Mahony practise?

    Constantinos O'Mahony practises in Essex, GB. The profile page lists all practice addresses, phone numbers, and clinic affiliations.

  • What languages does Constantinos O'Mahony speak?

    Constantinos O'Mahony speaks English.

  • How do I book an appointment with Constantinos O'Mahony?

    Use the "Request a booking" button on the profile to send an appointment request. Most appointments are confirmed within 24 hours; many slots are bookable instantly.

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