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Pacemakers: What are they for and how do they work?

June 6, 2026 Comments Off on Pacemakers: What are they for and how do they work?
Pacemaker insertion
Medically reviewed by Dr Reginald LiewSpeak with Dr Reginald LiewSenior Consultant Cardiologist · The Harley Street Heart & Vascular CentreDr Liew’s clinical interests include heart rhythm disorders, including atrial fibrillation, and cardiac device implantation. Arrange an assessment to discuss your symptoms and options.Request a consultationView Dr Liew’s profile · Last reviewed August 2026
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Dr Reginald Liew explains what pacemakers are and how they help with the treatment of various heart conditions. In the video, he walks us through how they work and how long they would last.

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Emergency: call 995. Seek emergency care immediately for chest pain, fainting, or sudden severe breathlessness. In Singapore, dial 995 for an ambulance.

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Medically reviewed by Dr Reginald Liew, Senior Consultant Cardiologist, The Harley Street Heart & Vascular Centre. This article is for general education and is not a substitute for medical advice.