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An implantable cardioverter-defibrillator (ICD) is a small device powered by a battery, implanted in the chest. Its primary function is to detect and halt irregular heartbeats, known as arrhythmias, by continuously monitoring the heartbeat and delivering electric shocks when necessary to restore a regular heart rhythm.
An ICD may be recommended if you have a dangerously fast heartbeat, such as ventricular tachycardia or ventricular fibrillation. It may also be prescribed if you are at high risk of experiencing dangerous irregular heartbeats, often due to a weakened heart muscle.
It's important to note that an ICD is different from a pacemaker, which is designed to prevent dangerously slow heartbeats.
An ICD, or implantable cardioverter-defibrillator, is a type of cardiac therapy device. There are two primary types:
A traditional ICD is surgically implanted in the chest, with wires (leads) connecting to the heart.
Beneath the skin on the side of the breast, beneath the armpit, is a subcutaneous ICD (S-ICD). It utilizes a sensor, known as an electrode, which runs along the breastbone. Unlike the traditional ICD, the S-ICD does not directly contact the heart. It is larger compared to the traditional ICD.

Manipal Hospital, Dwarka, Delhi, India
USD 9700 USD 10200
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London, United Kingdom
We, The London Clinic family, take pride in our reputation as a multi-disciplined healthcare facility. With skilled nurses and expert consultants, our medical teams are always focused to deliver the best individualized medical care. More than 1,000 nursing, clinical, and support staff are currently working with us to give our patients an extensive range of treatments. We use cutting-edge technologies to ensure a comprehensive range of healthcare services. Not only that, in order to make your stay with us comfortable enough, we equip our patient bedrooms with:
Patients from all over the world fly to us to get their procedures done by our specialist doctors, which is why we also provide our patient's concierge services. Our concierge services include:
The London Clinic has a zero-tolerance policy when it comes to hygiene and cleanliness. Our dedicated housekeeping team cleans every room every day between 8.00 am and 5.00 pm. They are also entitled to supply fresh towels every day and clean the rooms properly between patients.
We also have a day surgery unit based on the third floor at 20 Devonshire Place to make sure a hassle-free surgery as well as post-surgery care for our patients. Our cancer care unit at 22 Devonshire Place is also among our key services.

Carmarthen, United Kingdom
The Circle Werndale Hospital offers patients from Pembrokeshire, Carmarthenshire, and Ceredigion access to private facilities and state-of-the-art equipment. The 27 beds of Circle Werndale Hospital are all private and comfortable, with en suite bathrooms, satellite TV, and phones.
The specialists can perform a variety of operations, from simple investigations to intricate surgeries, thanks to these facilities, the newest equipment, and on-site support services. With committed nursing teams and resident medical officers on duty around the clock, this specialized knowledge is backed by compassionate and skilled medical personnel who offer care in a welcoming and comfortable setting.
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Cardiologist
21 Years of Experience
Dr. Naresh Kumar Goyal is highly trained as a cardiologist with exposure in virtually all aspects of cardiology. He qualified with an MD in internal medicine in 1999 from SMS Medical College, Jaipur, and served in the Cardiology Department as an honorary resident. From this stage, he also started with training in the temporary pacing of the pacemaker as well as interventional services. View More