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Dr. Najib bin Zahran bin Hamoud Al Rawahi

Dr. Najib bin Zahran bin Hamoud Al Rawahi

Senior Consultant – Cardiology and Invasive Cardiac Electrophysiology

  • MD
  • ABIM
  • FRCPC
  • MBA
  • Complex heart rhythm disorders
  • Catheter ablation
  • Cardiac device implantation and management
  • Including pulsed-field ablation (PFA) and 3D mapping
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Experience
30+ years
Highest qualification
FRCPC
Languages
Arabic, English
Nationality
Oman
Profile

About Dr. Najib

Dr. Najib is a Senior Consultant Cardiologist and Invasive Cardiac Electrophysiologist at Muscat Private Hospital, and Director of the National Heart Center at the Royal Hospital in Muscat. Electrophysiology is the branch of cardiology concerned with the heart's electrical system — the rhythm disturbances that make the heart beat too fast, too slowly or irregularly.

Dr. Najib graduated in 1993 with the first class of the College of Medicine and Health Sciences at Sultan Qaboos University, and has more than 30 years of clinical experience. He completed residency and fellowship training at McGill University in Canada, becoming a Fellow of the Royal College of Physicians and Surgeons of Canada in both internal medicine and adult cardiology, and then a subspecialty fellowship in invasive adult cardiac electrophysiology at the University of Ottawa Heart Institute. He is also a Diplomate of the American Board of Internal Medicine and holds an MBA in healthcare management.

In August 2007 he founded the National Arrhythmia Service in Oman. As Director of the National Heart Center, he has led the introduction of advanced treatment protocols and directed the clinical teams behind Oman's first and second heart transplants, in April 2025 and March 2026.

His expertise spans complex arrhythmia management, pulsed-field ablation (PFA), complex transvenous lead extraction (TLE) and mechanical circulatory support (MCS). His everyday clinical work covers the two halves of electrophysiology practice. The first is catheter ablation — locating the small area of heart tissue responsible for an abnormal rhythm using three-dimensional electroanatomic mapping, and treating it. The second is cardiac devices: pacemakers for a heart that beats too slowly, implantable defibrillators for patients at risk of dangerous rhythms, and resynchronisation devices for selected patients with heart failure. He also manages the long-term follow-up and programming these devices require.

Dr. Najib is a member of the European Society of Cardiology (ESC), the European Heart Rhythm Association (EHRA) and the Oman Heart Association. He speaks regularly at international conferences and symposiums, has published in peer-reviewed medical journals, and takes part in community cardiac screening initiatives.

A Message from Dr. Najib

My aim is to provide evidence-based cardiac care using current techniques in electrophysiology. By combining that with treatment tailored to the individual, I want to help every patient towards better heart health and a better quality of life.

Clinical focus

Areas of Expertise

  • Including pulsed-field ablation (PFA) and 3D mapping

What we treat

Conditions Treated

  • Palpitations and awareness of an abnormal heartbeat

  • Atrial fibrillation

  • Atrial flutter

  • Supraventricular tachycardia (SVT)

  • Ventricular tachycardia and other ventricular arrhythmias

  • Wolff-Parkinson-White syndrome and other accessory pathway disorders

  • Ectopic beats

  • Bradycardia

    An abnormally slow heartbeat

  • Heart block and conduction system disease

  • Blackouts, fainting and unexplained loss of consciousness

  • Inherited arrhythmia syndromes and family history of sudden cardiac death

  • Heart failure requiring cardiac device therapy

  • Assessment and follow-up of existing pacemakers and defibrillators

Care offered

Procedures & Services

  • Diagnosis and monitoring

  • Cardiology consultation and arrhythmia assessment

  • Electrocardiography (ECG)

  • 24-hour and extended Holter monitoring

  • Loop and event recorders for intermittent symptoms

  • Diagnostic electrophysiology study (EPS)

  • Catheter ablation

  • Catheter ablation of supraventricular tachycardia and accessory pathways

  • Catheter ablation of atrial flutter

  • Catheter ablation of atrial fibrillation

  • Catheter ablation of ventricular arrhythmias

  • Complex arrhythmia ablation using three-dimensional electroanatomic mapping

  • Cardiac devices

  • Single-chamber pacemaker implantation

  • Dual-chamber pacemaker implantation

  • Implantable cardioverter defibrillator (ICD) implantation

  • Cardiac resynchronisation therapy (CRT-P and CRT-D) for selected patients with heart failure

  • Device follow-up, programming, optimisation and generator replacement

Career record

Professional Experience

  • Senior Consultant, Cardiology and Invasive Cardiac Electrophysiology

    Muscat Private Hospital, Muscat

  • Director

    National Heart Center, Royal Hospital, Muscat

  • August 2007

    Founder

    National Arrhythmia Service, Oman

  • April 2025 and March 2026

    Directed the clinical teams behind Oman's first and second heart transplants

Qualifications

Education & Training

  • MD

    College of Medicine and Health Sciences, Sultan Qaboos University, Muscat, Oman

    1993, inaugural graduating class

  • Residency in Internal Medicine and Fellowship in Adult Cardiology

    McGill University, Canada

  • Subspecialty Fellowship in Invasive Adult Cardiac Electrophysiology

    University of Ottawa Heart Institute, Canada

  • Master of Business Administration (MBA)

    Healthcare Management

  • Board Certification and Fellowships

  • Diplomate, American Board of Internal Medicine (ABIM)

  • Fellow of the Royal College of Physicians and Surgeons of Canada (FRCPC)

    Internal Medicine and Adult Cardiology

  • Professional Memberships

  • European Society of Cardiology (ESC)

  • European Heart Rhythm Association (EHRA)

  • Oman Heart Association

Common Questions

Frequently Asked Questions

Dr. Najib treats disorders of the heart's rhythm and electrical system. That includes fast rhythms such as atrial fibrillation, atrial flutter, supraventricular tachycardia and ventricular tachycardia; slow rhythms and heart block; palpitations and ectopic beats; blackouts and unexplained fainting; and inherited rhythm conditions where there is a family history of sudden cardiac death. He also looks after patients with heart failure who may benefit from a cardiac device, and follows up patients who already have a pacemaker or defibrillator.
All electrophysiologists are cardiologists first. An electrophysiologist then trains further in the heart's electrical system specifically, which is what governs rhythm. If your problem is a blocked artery you would see an interventional cardiologist; if it is a heart that beats too fast, too slowly or irregularly, an electrophysiologist is the right person to see.
Thin flexible wires are passed to the heart through a vein, usually in the groin, and used to record the heart's electrical signals. Three-dimensional mapping builds a picture of where the abnormal rhythm starts. That small area of tissue is then treated, most often with heat or cold, to stop it conducting. It is done under local anaesthetic with sedation, or under general anaesthetic, and most patients go home the same day or the day after. Success rates and risks differ considerably between rhythms — ablation for SVT is not the same undertaking as ablation for atrial fibrillation, and Dr. Najib will explain the figures for your particular rhythm.
A pacemaker treats a heart that beats too slowly, by delivering a small electrical impulse when a beat is missed. An implantable cardioverter defibrillator does that too, but can also deliver a shock to stop a dangerous fast rhythm; it is used for patients at risk of sudden cardiac arrest. A cardiac resynchronisation device paces both lower chambers so they contract together, and is used in selected patients with heart failure whose chambers are out of step. Which one is appropriate depends on your rhythm, your heart function and your symptoms.
Dr. Najib has more than 30 years of clinical experience. He graduated in 1993 with the first class of Sultan Qaboos University's College of Medicine and Health Sciences, trained in internal medicine and adult cardiology at McGill University, and completed a subspecialty fellowship in invasive adult cardiac electrophysiology at the University of Ottawa Heart Institute. He founded Oman's National Arrhythmia Service in 2007 and now directs the National Heart Center at the Royal Hospital.
Dr. Najib holds an MD from Sultan Qaboos University, is a Diplomate of the American Board of Internal Medicine, and is a Fellow of the Royal College of Physicians and Surgeons of Canada in internal medicine and adult cardiology. He completed a subspecialty fellowship in invasive adult cardiac electrophysiology at the University of Ottawa Heart Institute, and also holds an MBA in healthcare management.
No. A great many rhythm problems are managed without either. Some need no treatment at all once the diagnosis is clear and the rhythm turns out to be harmless; others are controlled with medication, or by treating an underlying cause such as thyroid disease, sleep apnoea, anaemia or alcohol intake. Ablation and device implantation are procedures with real risks, and they are recommended when the likely benefit outweighs those risks for you specifically. Dr. Najib will explain what the monitoring has shown, what your options are, and what each one involves before anything is decided.
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