About catheter ablation therapy
Need to know
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What happens during catheter ablation therapy? icon plus
The procedure usually takes about an hour but may take longer if you’re having an ablation for atrial fibrillation. You’ll be given local anaesthetic to numb your groin area. You may also be given a light sedative or general anaesthetic. If you have general anaesthetic, you’ll be asleep throughout the procedure.
Your consultant will insert a small flexible tube into a vein (or veins) at the top of your leg and guide fine wires (catheters) through the tube and into your heart. Once they’ve identified the tissue in your heart that’s causing the arrhythmia they'll destroy it with a beam of radiofrequency energy or by freezing it. This corrects your heartbeat.
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How to prepare for your ablation icon plus
Your consultant will tell you how to prepare. It’s important to let us know if you’re taking any medication as you may need to stop taking it before your procedure. You’ll be asked to stop eating and drinking a few hours beforehand. Like all procedures, there may be some risks and side effects involved. Your consultant will explain these to you and answer any questions you have. -
After your ablation icon plus
You may be able to go home on the day of your procedure and it is advised you should arrange for someone to travel home with you. However, if you had a long procedure or an ablation for atrial fibrillation, you may need to stay in hospital overnight.
You should rest for three to four days after the procedure to allow time for the top of your leg to heal. If you had your ablation for atrial fibrillation you may need to rest for up to two weeks. Your consultant will discuss the procedure with you and let you know when you can get back to your usual routine and activities. They’ll also give you advice on medication, exercise, travel, diet and alcohol.
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Our facilities
From complex cardiac surgery to straightforward diagnostic procedures, we provide exceptional care across our network of hospitals, outpatient centres and specialist clinics.
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London Bridge Hospital
27 Tooley Street
London
SE1 2PR
Appointments & Enquiries 020 7234 2009
Imaging Appointments 020 7234 2773
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The Harley Street Clinic
35 Weymouth Street
London
W1G 8BJ
Appointments 020 7034 8181
Enquiries 020 7935 7700
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The Wellington Hospital Cardiac Unit
The Wellington Hospital North Building, Circus Road
London
NW8 6PD
Call us 020 7483 5013