Implantable Cardioverter Defibrillator (ICD) Vs Pacemaker

Jan 27, 2024, Treatments

Pacemaker

It is a battery-operated device that keeps the heart from beating too slowly. This device supports the vital functions of your heart by sending electric impulses that stimulate the heart’s performance and help it return to an average pace. The implantation of the pacemaker is done via a minimal surgical technique under the collarbone.

Why Do We Need A Pacemaker?

The primary reason for implanting a pacemaker is to rectify various heart conditions. It acts upon conditions such as bradycardia (slow heartbeat), irregular heartbeats, atrial fibrillation (a fast, fluttery heart rhythm), cardiac arrest, etc. A pacemaker may also be used in certain situations to prevent the chances of tachycardia or an abnormally rapid heartbeat.

The following are the symptoms that potentially increase the need for a pacemaker:

Unable to perform simple daily tasks
Constant dizziness and lightheadedness while standing
Muscle weakness in your arms and/or legs
Breathlessness
Mental confusion
If you feel the sensation that your heart is fluttering or pounding
Lower pulse rate

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What Are The Different Types of Pacemakers?

Depending upon the heart condition and the symptoms, the pacemaker type is selected for you. There are 3 types of pacemakers, which includes:

Single chamber pacemaker: This type of pacemaker passes the electric impulses to the heart’s right ventricle with the help of a single lead that connects the pulse generator to one chamber of your heart.

Dual-chamber pacemaker: This kind of pacemaker helps regulate the time of contractions in the heart’s right ventricle and right atrium by sending electrical impulses to both chambers.

Biventricular pacemaker: This type of pacemaker is for people with heart failure and heart problems. It stimulates both lower heart chambers (the right and left ventricles) to make the heart beat more efficiently. Biventricular pacing is also called cardiac resynchronization therapy.

What Are The Benefits Of Having a Pacemaker?

A pacemaker is widely used to provide relief for various cardiac problems, primarily in the case of slow and irregular heartbeats. This device also benefits you in various ways, such as:

This device helps in preventing sudden cardiac arrests.
Eliminates several risk factors of arrhythmias, such as extreme tiredness, lightheadedness, and fainting
It potentially decreases symptoms caused by heart rhythm problems, including chest pain, confusion, palpitations, nausea, etc.

Implantable Cardioverter Defibrillator (ICD)

This device is comparable to a pacemaker in most aspects, but the size of the ICD is larger. It is primarily used to detect irregular heartbeats and prevent them from causing further damage to the heart. This device constantly evaluates the heartbeat and delivers electric shocks whenever needed to restore regular heart rhythm.

What Do We Need ICD?

ICD is commonly recommended under the conditions of irregular heart rhythm called sustained ventricular tachycardia. By delivering rapid pacing or a shock, it restores the normal rhythm. This device also prevents the condition of rapid cardiac arrest by restoring irregular heartbeats. An ICD is considered one of the main treatments for those who have survived cardiac arrest once, as it lowers the chances of sudden deaths from cardiac arrest more than medicine alone.

There are many other usages of ICD, such as:

You have a genetic heart condition that increases the risk of life-threatening heart rhythms such as long QT syndrome
You have an enlarged heart muscle
You have a history of coronary artery disease and a heart attack that has weakened the heart

What Are The Different Types Of ICDs?

There are four significant types of ICDs, which includes:

Single chamber: This procedure includes a lead wire with a floating atrial electrode connected to your right ventricle. The whole body is specifically designed to deliver energy whenever needed, which results in variable tissue contracts.

Dual chamber: It extends to every chamber ICD where the lead wire is connected to the left and right ventricles.

Biventricular: Such ICDs provide cardiac resynchronization therapy (CRT) to patients with heart failure. In this form of ICD, the leads attach to the right atrium, the right ventricle, and the left ventricle. Biventricular ICDs improve the symptoms of heart failure in those who remain symptomatic even after taking medications for heart failure.

Subcutaneous: The potential benefit of this ICD is that no wire will be inserted into the circulatory system. Subcutaneous ICDs work by monitoring the heart rhythms through wires placed under the skin. With subcutaneous ICD or S-ICD, you have fewer chances of infections. Nevertheless, this form of treatment is effective up to an extent, due to which it doesn’t pace the heart out of a dangerous rhythm.

What Are The Benefits Of ICD?

ICD is a highly advanced device specially designed to prevent life-threatening arrhythmia in which the prevalence of frequent heart rates is high. This device monitors your heart rate and helps you return to normal condition. With the help of ICD, you will always be connected with your cardiologist, and it also shares essential information about your heart.

Implantable Cardioverter Defibrillators (ICD) Vs Pacemaker

Feature	Implantable Cardioverter Defibrillator (ICD)	Pacemaker
Accessibility	ICD is commonly recommended under the conditions of irregular heart rhythm called sustained ventricular tachycardia.	Typically, used for patients with low pulse rates or during episodes of bradycardia.
Functionality	This device helps to restore the heart condition and prevents various life-threatening conditions and arrhythmias by correcting electric shocks and irregular heartbeat.	This device supports the vital functions of your heart by sending electric impulses that stimulate the heart’s performance and help it back to its normal pace.
Effectiveness	This device deals with life-threatening ventricular arrhythmias and prevents sudden cardiac arrest.	While regulating the irregular heart rhythm, a pacemaker can potentially decrease the risk of bradycardia (slow heartbeat)
Maintenance	ICD requires regular check-ups to check the functioning of the device and the battery life.	After getting a pacemaker you need proper monitoring over the battery life, adjust settings, and ensure correct functioning.
Implantation Cost	The implantation cost is relatively higher than other traditional implantation because this device implies a variety of technological advantages. Cost : USD 10,000 and USD 12,000 (INR 840,000 – INR 1,000,000)	Comes under the traditional modes of implantation with lesser cost as compared to ICD. Cost: USD 3,000 – USD 5,500 (INR 1,70,000 – INR 3,00,000)
Battery Life	As compared to other devices, ICD devices show shorter battery life due to their high intensive energy.	Pacemaker only involves the pacing which requires less energy due to which its battery life can extend in the long run.

Which Are The Top Hospitals For Implantable Cardioverter Defibrillators (ICD) and Pacemaker Implantation in India?

Indian healthcare facilities come up with various top-class heart institutes and medical facilities that offer you the best Implantable Cardioverter Defibrillator (ICD) and Pacemaker implantation at affordable prices within a comprehensive environment. GoMedii has compiled a list of top hospitals for Implantable Cardioverter Defibrillators (ICD) and Pacemaker implantation in India.

Hospitals:

FAQs Related To Implantable Cardioverter Defibrillators (ICD) Vs. Pacemaker

Q: Which is better, an ICD or a pacemaker?

A: Both devices are beneficial in themselves. Although the ICD’s work and purpose differ from pacemakers, ICDs are considered the most effective way to treat serious heart problems involving an irregular heartbeat or in case of life-threatening arithmetics. Furthermore, the programming of ICDs is done to keep you safe whenever your heartbeat becomes dangerously irregular. In contrast, the pacemaker is a steady hand-guiding device that requires regular maintenance.

Q: Can you live 20 years with a defibrillator?

A: Many heart patients with defibrillators may live as long as any person with a healthy heart. However, you may face some challenges in your life after implantation. Also, you must visit your healthcare provider per the schedule to maintain your device.

Q: What are the disadvantages of ICD?

A: After the implantation, you may face some difficulties in your life, such as:

living with the fear of heart collapse
device malfunction
fearing death during the shock
pain due to the shock
loss of control
lifestyle limitations

Q: What are the benefits of ICD insertion?

A: This device can decrease the risk of life-threatening arrhythmias and help prevent irregular heartbeats by delivering electrical impulses that allow your heart to return to a normal rhythm.

Q: What is the difference between ICD and S-ICD implants?

A: Traditional ICDs use multiple leads that go through your veins to your heart, whereas subcutaneous ICDs are less invasive because they use only one lead that runs under your skin, not through your veins.

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