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Pacemakers are primarily categorized into two main types: temporary and permanent. Permanent pacemakers include various types; the principal ones are VVI, DDD, ICD, and CRT systems.
VVI Pacemaker: This is a single-lead (single-chamber) system. It is the simplest and generally more economical pacemaker, used for specific patients experiencing a lack of heart rate.
DDD Pacemaker: This is a dual-lead (dual-chamber) system. It is a widely preferred type used in the treatment of various heart rhythm disorders.
ICD (Implantable Cardioverter-Defibrillator): Also known as a defibrillator, this device has the ability to detect potentially life-threatening rapid heart rhythms and deliver a shock (defibrillation). It is generally used in patients with advanced heart failure and is larger in size than other pacemakers.
CRT (Cardiac Resynchronization Therapy): Used in patients with heart failure to improve the heart's electrical synchronization and enhance its pumping efficiency. Some CRT devices may also include defibrillation capability.
As an important note, MRI-compatible pacemakers and ICDs are also available. Although their costs are higher, it is recommended to choose these models if possible.
What are the types of pacemakers?
VVI Pacemaker: This is a single-lead (single-chamber) system. It is the simplest and generally more economical pacemaker, used for specific patients experiencing a lack of heart rate.
DDD Pacemaker: This is a dual-lead (dual-chamber) system. It is a widely preferred type used in the treatment of various heart rhythm disorders.
ICD (Implantable Cardioverter-Defibrillator): Also known as a defibrillator, this device has the ability to detect potentially life-threatening rapid heart rhythms and deliver a shock (defibrillation). It is generally used in patients with advanced heart failure and is larger in size than other pacemakers.
CRT (Cardiac Resynchronization Therapy): Used in patients with heart failure to improve the heart's electrical synchronization and enhance its pumping efficiency. Some CRT devices may also include defibrillation capability.
As an important note, MRI-compatible pacemakers and ICDs are also available. Although their costs are higher, it is recommended to choose these models if possible.