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+919266792727Enquiry Us
drvivudhsingh@gmail.com
You feel fine sitting on the sofa, but the moment you walk across the room, you become dizzy. Sometimes your heart seems to pause, or you suddenly feel weak for no obvious reason.
Then an ECG shows that your heartbeat is too slow.
The next words you hear may be: “You might need a pacemaker.”
For many patients and families, that sounds frightening. As a cardiac care team serving Defense Colony and the wider South Delhi area, we often explain that a pacemaker is not a sign that the heart has “failed.” It is a device designed to help the heart maintain an appropriate rhythm when its natural electrical system is not working properly.
A pacemaker is a small electronic device placed under the skin, usually near the upper chest. It monitors the heart's rhythm and can deliver small electrical impulses when the heartbeat becomes too slow.
A dual chamber pacemaker generally uses two leads: one positioned in the right atrium and another in the right ventricle.
This allows the device to coordinate activity between the upper and lower chambers of the heart in a way that more closely follows the heart's normal electrical sequence.
Not every patient needs a dual chamber system. The type of pacemaker depends on the patient's specific rhythm problem, heart structure, age, other medical conditions and overall treatment goals.
The most common reason is a heartbeat that is too slow to maintain adequate circulation.
Conditions that may lead to pacemaker implantation include:
Significant bradycardia, meaning an unusually slow heart rate
Heart block
Certain problems with the heart's electrical conduction system
Repeated fainting related to an abnormal rhythm in selected patients
Sinus node dysfunction
Some rhythm problems caused or worsened by necessary medications
A slow heart rate does not automatically mean that a pacemaker is required.
Doctors first need to determine why the heart rate is slow and whether it is actually causing symptoms or creating a meaningful health risk.
Some patients live with an abnormal rhythm without realising it.
Others notice:
Repeated dizziness
Fainting or near-fainting
Unusual tiredness
Breathlessness during routine activity
Reduced exercise capacity
Confusion or weakness
A noticeably slow pulse
If someone suddenly faints, develops severe breathlessness, chest pain or becomes unresponsive, this should be treated as an emergency rather than waiting for a routine pacemaker consultation.
This is one of the most important points we tell our clients.
People often see a pulse of 45 or 50 and assume they need a pacemaker.
That is not how the decision should be made.
Some healthy people, particularly well-trained athletes, can naturally have a lower resting heart rate. Certain medicines can also slow the heart rate.
The real question is whether there is a clinically important rhythm problem and whether pacing is likely to benefit the patient.
A good cardiologist should therefore be willing to investigate before recommending implantation.
The first step is understanding the rhythm problem.
Your cardiologist may review an ECG, blood tests, medication history and previous cardiac reports. Depending on the symptoms, longer rhythm monitoring such as a Holter monitor may be recommended.
An echocardiogram may also be useful to assess the heart's structure and pumping function.
For example, if a patient develops a slow heart rate after starting a particular medicine, the doctor may first consider whether the medication can be adjusted.
If the problem is caused by permanent electrical conduction disease and is producing symptoms, pacemaker implantation may become a reasonable treatment option.
The decision should be based on the complete clinical picture.
The procedure is generally performed in a cardiac catheterisation or electrophysiology setting under local anaesthesia, sometimes with additional medication to help the patient relax.
A small incision is made below the collarbone.
The pacemaker leads are guided through a vein into the appropriate chambers of the heart. The leads are connected to the pacemaker generator, which is placed beneath the skin.
The system is then tested to make sure it is sensing and pacing correctly.
The exact technique, device selection and monitoring depend on the individual patient.
It is not the same as open-heart surgery.
Pacemaker implantation is a minimally invasive procedure, but that does not mean it should be treated casually.
Like any medical procedure, it carries possible risks, including bleeding, infection, lead displacement and problems involving the blood vessels or heart.
The patient's age, medical history, medications and overall health can affect risk.
This is why choosing an experienced cardiac team matters.
Consider an older patient who has experienced several unexplained fainting episodes.
An initial ECG shows intermittent heart block, but the patient's rhythm appears normal at other times. Instead of dismissing the episodes because the patient feels fine between them, the cardiology team may use longer rhythm monitoring to understand what is happening.
If clinically significant conduction disease is confirmed, a pacemaker can provide a way to prevent dangerously slow heart rhythms.
The important lesson is that the symptom and the rhythm need to be connected before deciding on treatment.
The American Heart Association's 2024 Heart Disease and Stroke Statistics update reported that cardiovascular disease remained the leading cause of death globally, accounting for approximately 19.8 million deaths in 2022.
While not all cardiovascular disease involves abnormal heart rhythms, the figure highlights the enormous worldwide burden of heart-related conditions and why proper diagnosis matters before symptoms become serious.
For patients, the practical takeaway is simple: don't ignore recurring dizziness, fainting or unexplained changes in your heartbeat.
Pacemaker care does not end when the device is implanted.
Patients usually need follow-up appointments to check the device, leads and battery status. Modern pacemakers can provide useful information about the patient's heart rhythm, which can help the medical team during follow-up.
You should also tell healthcare professionals that you have a pacemaker before certain medical procedures.
The battery is designed to last for years, but its lifespan varies depending on the device and how much pacing the patient requires.
Many patients return to their usual daily activities after recovery.
Your cardiologist will tell you when you can resume exercise, driving and other activities based on your individual situation.
The device is there to support the heart's rhythm; it does not mean you need to stop living an active life.
Dr. Vivudh Pratap Singh is an interventional cardiologist associated with Fortis Okhla and the wider South Delhi region. His professional profile highlights expertise in complex coronary interventions and advanced catheter-based cardiac care. Patients considering pacemaker treatment should undergo a detailed rhythm evaluation to determine the most appropriate device and treatment strategy.
When looking for a specialist, don't focus only on the phrase “dual chamber pacemaker.”
Ask whether the doctor has experience evaluating the specific rhythm disorder involved.
You should also ask:
Why do I need a pacemaker?
Why is a dual chamber device appropriate for me?
Are there alternatives?
What are the risks in my case?
How often will the device need follow-up?
What should I expect during recovery?
Bring your ECGs, Holter reports, echocardiograms, medication list and previous discharge papers to the consultation.
These details can help the cardiologist make a more informed decision.
Patients with certain slow heart rhythms or electrical conduction problems may benefit from a dual chamber pacemaker. The decision depends on the specific rhythm disorder, symptoms and overall heart condition.
Pacemaker implantation is a commonly performed procedure, but it still carries potential risks such as infection, bleeding and lead-related complications. Your individual risk should be discussed with your cardiologist.
The battery commonly lasts several years, but the exact lifespan varies according to the device and how much pacing the heart requires. Regular follow-up helps doctors monitor battery status and device performance.
A single episode of dizziness may have many causes, but repeated fainting, unexplained weakness or an unusually slow heartbeat deserves proper medical evaluation.
If you are looking for dual chamber pacemaker implantation in Defense Colony, start with a detailed cardiac and rhythm assessment rather than choosing a device first. The right pacemaker is the one that matches the patient's actual electrical problem.
If you have been advised to consider a pacemaker, bring your ECG, Holter and previous cardiac reports to a specialist consultation and ask exactly why pacing is being recommended.
