Consultant Profile

Dr Peter O'Callaghan

Dr Peter O'Callaghan MB, FRCP, FRCPI, FACC, CCDS
Practicing at:
Spire Cardiff Hospital
  • Cardiology
    • Arrhythmia (Electrophysiology)
    • Atrial fibrillation
Special clinical interests:

Electrophysiologist - Heart rhythm specialist.
Investigation of palpitations, bradycardias, tachycardias, dizzy spells, balckouts, syncope, cardiac arrest survivors.
Assessment of individual sudden cardiac death risk and of families with inherited arrhythmia disorders.

Research interests:

Surgical techniques to cure atrial fibrilation
Outcome measures of RF ablation
Effects of NICE ICD Guidelines on clinical practice

Current NHS and /or university posts:

Consultant Cardiologist and Electrophysiologist, University Hospital of Wales, Cardiff

Year of first medical qualification:
Current membership(s) of professional, national and regional bodies:

Fellow of the Royal College of Physicians of Ireland (FRCPI)
Fellow of the Royal College of Physicians (London) (FRCP)
Fellow of the American College of Cardiology (FACC)
Heart Rhythm UK Member
Heart Rhythm Society Member

Contact Details 
Telephone number to make a private appointment:
029 2073 6011
Private secretary telephone number:
02920 542574
Private secretary email address:
Thursday 5:30pm - 8:30pm
Background Information 
Professional profile:

Dr O'Callaghan is the lead clinician for heart rhythm and pacing services at the University Hospital of Wales, Cardiff, providing tertiary referral services for South East Wales, a referral population of 1.3 million. Prior to his consultant appointment in 2001 he trained at Massachusetts General Hospital, Boston and St George's Hospital, London having entered the speciality of electrophysiology in 1994. Dr O'Callaghan's main interests lie in curing ablatable tachycardias and implantation of devices to prevent blackouts or sudden death (pacemakers and defibrillators) or to treat heart failure (biventricular pacmakers).

At Spire Cardiff Hospital Dr O'Callaghan provides a comprehensive electrophysiology service including the investigation and management of patients with palpitations, blackouts and cardiac arrest survivors or their family members; management of atrial fibrilation, Wolff Parkinson White Syndome, SVTs; ablation of tachycardias and implantation of pacemakers, defibrillators and biventricular pacing systems.

Due to the limited amount of space available for the special clinical interests shown in the section at the top of the page, please find listed below the full list of Dr O'Callaghan's special clinical interests:

Investigation of patients with palpitations, bradycardias, tachycardias, blackouts, syncope, cardiac arrest survivors.
Assessment of individual sudden cardiac death risk and families with inherited arrhymia disorders.
Management of all arrhythmia disorders including WPW syndrome and atrial fibrillation.
Cardioversion of atrial fibrillation.
Ablation and cure of tachycardias (AVNRT, accessory pathways, WPW syndrome, atrial flutter, etc).
Device implantation including pacemakers, Implantable cardioverter defibrillators (ICDs), implantable loop recorders (Reveal devices).
Workup and management of medically refractory heart failure patients including implantation of biventricular pacemakers.

Personal profile:

I am a graduate of University College Cork, Ireland. During my years in training I lived in Dublin, Boston and London. I am married with 2 children.
My main hobbies are skiing, horse-riding and renovating old houses.

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Dr Peter O'Callaghan

Dr Peter O'Callaghan Consultant Cardiologist at Spire Cardiff Hospital in South Wales

© Spire Healthcare Group plc (2016)