Dr Iain Sim · MBBS BSc MRCP PhD
Specialist care for heart rhythm disorders
Consultations with Dr Iain Sim, Cardiologist and Electrophysiologist, for palpitations, atrial fibrillation, blackouts and the assessment and treatment of abnormal heart rhythms, for patients across Surrey, Berkshire and Hampshire.
Private cardiology near you
Consultant cardiology across Surrey, Berkshire & Hampshire
Dr Iain Sim is a consultant cardiologist and cardiac electrophysiologist offering private appointments and procedures for patients in Guildford, Godalming, Farnham, Woking, Camberley, Ascot, Windsor, Slough, Farnborough, Fleet and the surrounding areas. Whether you have been referred by your GP or are arranging an appointment yourself, you will see a specialist with a particular focus on diagnosing and treating heart rhythm problems.
How I can help
Areas of practice
01
Atrial fibrillation
Assessment and treatment of AF, including rhythm control and ablation.
Read more02
Palpitations & SVT
Investigation of palpitations and supraventricular tachycardia.
Read more03
Syncope & blackouts
Structured work-up of fainting, blackouts and unexplained collapse.
Read more04
Catheter ablation
Curative procedures for AF, flutter, SVT and ventricular arrhythmia, including pulsed field ablation (PFA).
Read more05
Pacemakers & devices
Implantation and follow-up of pacemakers, ICDs and CRT devices.
Read more06
Second opinion
Independent review of an existing cardiac diagnosis or treatment plan.
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About
Dr Iain Sim
Dr Iain Sim is a Consultant Cardiologist and Cardiac Electrophysiologist at Frimley Health NHS Trust. He specialises in the diagnosis and treatment of heart rhythm disorders (arrhythmias) and has NHS practices across Frimley Park, Wexham Park and Harefield Hospitals.
- Speciality
- Cardiac electrophysiology
- Locations
- Surrey, Berkshire & Hampshire
- NHS role
- Consultant, Frimley Health
- Referrals from
- GPs, physicians & cardiologists
Your patient journey
Simple, clear and reassuring
Enquiry
Get in touch by phone or email. Referrals are welcome from GPs and consultants, and self-paying patients can book directly.
Consultation
A thorough, unhurried review of your symptoms, history and any previous results.
Diagnosis
Any tests needed — ECG, monitoring, echocardiography — arranged to reach a clear diagnosis.
Treatment
A personalised plan explained in full, from medication to ablation or a cardiac device.
Every patient should leave understanding their heart condition and feeling informed, reassured and in capable hands.Dr Iain Sim
Insurers
Recognised by
Dr Sim is recognised by Alliance Health Corporate, Allianz, Aviva, AXA Health, Bupa, Vitality, WPA. Self-paying patients are also welcome — see our consultation fees. Please contact us to confirm cover for your policy.
Frequently asked questions
Where does Dr Sim see private patients?
Dr Sim consults at The Surrey Cardiovascular Clinic in Guildford and at Parkside at Frimley, Heatherwood and Wexham, with procedures also at Harefield Hospital. Between them these cover Surrey, Berkshire and the Hampshire borders.
What conditions does Dr Sim treat?
Dr Sim is a consultant cardiologist and cardiac electrophysiologist. He sees patients with palpitations, atrial fibrillation and other abnormal heart rhythms, blackouts and fainting (syncope), as well as chest pain, breathlessness and general cardiology concerns, with a specialist focus on heart rhythm disorders and cardiac devices.
How do I book an appointment?
You can book by telephone or email — see the contact page. Self-paying patients are welcome, and Dr Sim is recognised by all major health insurers. Please have any referral letter and your insurance details to hand.
Do I need a referral from my GP?
Self-paying patients can book without a GP referral, although a referral letter is helpful. Most insurers do require a GP or specialist referral before they will authorise an appointment, so it is worth checking with your insurer first.
Is Dr Sim recognised by my health insurer?
Dr Sim is recognised by Alliance Health Corporate, Allianz, Aviva, AXA Health, Bupa, Vitality, WPA. Please confirm cover and obtain any authorisation from your insurer before your appointment.