What is this treatment?

The heart has its own natural electrical system that controls its rhythm and rate. When this system malfunctions — causing the heart to beat too slowly, too fast, or irregularly — a pacemaker may be required to restore a normal, steady heartbeat.

A pacemaker is hence a small, battery-powered device implanted under the skin near the collarbone. It continuously monitors the heart’s rhythm and delivers tiny electrical impulses when needed to keep the heart beating at a normal rate. Modern pacemakers are compact, long-lasting, and highly programmable to suit each patient’s needs.

Who Needs This Treatment?

A pacemaker may be recommended for conditions such as:

Bradycardia — a persistently slow heart rate causing dizziness, blackouts, or fatigue
Heart block — a delay or interruption in the electrical signals travelling from the upper to lower chambers of the heart
Sick sinus syndrome — when the heart’s natural pacemaker (SA node) does not function properly
Cardiac resynchronisation therapy (CRT) — a special type of pacemaker for heart failure patients with electrical dyssynchrony

Quick Enquiry

Conditions Treated

Pacemaker implantation is used to treat:

Slow heart rate (bradycardia)
Heart block (electrical signal abnormalities)
Certain heart rhythm disorders (arrhythmias)
Sick sinus syndrome
Heart failure requiring cardiac resynchronization therapy (CRT)

Treatment Options

The type of pacemaker recommended depends on your specific heart condition:

Single-chamber pacemaker — one lead in the right ventricle
Dual-chamber pacemaker — leads in both the right atrium and right ventricle for more natural rhythm coordination
Biventricular pacemaker (CRT) — for heart failure patients, coordinates both ventricles
Leadless pacemaker — a newer, self-contained device implanted directly inside the heart without leads, for selected patients

Benefits of the Procedure

Restores a normal heart rhythm
Reduces dizziness, fatigue, and fainting episodes
Improves energy levels and quality of life
Enhances heart function in suitable patients
Helps prevent complications related to abnormal heart rhythms

Non-Surgical Alternatives

However, for many significant rhythm disorders, a pacemaker is the most effective long-term treatment.

Step-by-Step Procedure Explanation

Pacemaker implantation is typically performed under local anaesthesia and mild sedation. The procedure takes approximately 1–2 hours. One or more leads (thin insulated wires) are guided through a vein into the heart under X-ray guidance. The device is then connected and placed in a small pocket created under the skin. Most patients feel minimal discomfort and are ready to go home within 1–2 days.

Advanced Technology Section

Modern pacemaker implantation can involve the use of:

Leadless pacemaker technology with no surgical leads
Advanced 3D cardiac mapping for precise device placement
MRI-compatible pacemakers
Remote monitoring systems for continuous device assessment
Bluetooth-enabled pacemakers that allow easier follow-up and data transmission

Risks & Complications

Bleeding or bruising at the implant site
Infection
Lead displacement or device malfunction
Blood vessel or heart tissue injury
Allergic reaction to medications or materials
Rare need for device revision or replacement

Recovery Timeline

Most people return to normal daily activities within a few weeks. You will need to carry a pacemaker identification card at all times and attend regular device checks — every 6–12 months — to monitor battery life and device function. Modern pacemakers are largely compatible with everyday electronics and most medical equipment. Your cardiologist will advise on any specific precautions relevant to your device.

Success Rate / Outcomes

Pacemaker implantation has a success rate of over 95%.
Most patients experience significant symptom relief.
Improves heart rhythm stability and daily functioning.
Provides long-term management of many rhythm disorders.
Most devices function effectively for 8–15 years before battery replacement is needed.