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Pacemakers and Defibrillators
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Arrhythmia
An abnormal heart rhythm which can affect how effectively the heart pumps blood.
Artificial Pacemaker
A device that uses electrical impulses to regulate the beating of the heart or to reproduce that rhythm.
Single Chamber Pacemaker
A pacemaker with a lead in either the right atrium or right ventricle, pacing one chamber of the heart.
Atrioventricular (AV) Block
A type of heart block where the conduction between the atria and ventricles is impaired.
Leadless Pacemaker
A small type of pacemaker that's implanted directly into the heart without the need for wires (leads).
Rate-responsive Pacemaker
A pacemaker that adjusts its pacing rate based on the physical activity of the patient.
Biventricular Pacemaker
A pacemaker that helps to coordinate the contractions of the left and right ventricles (the heart's lower chambers).
Magnetic Resonance Imaging (MRI) Conditional Pacemaker
Pacemakers that are safe to use in an MRI environment under specific conditions.
Dual Chamber Pacemaker
A pacemaker with leads in both the right atrium and right ventricle, helping to coordinate the timing between these two chambers.
Pacing Threshold
The minimum electrical stimulus required to cause the cardiac muscle to contract consistently.
Cardiac Resynchronization Therapy (CRT)
A treatment for heart failure that involves a specialized pacemaker to improve the timing of the heart's contractions.
Electrode Catheter Ablation
A procedure used to destroy areas in the heart that are causing heart rhythm problems.
Defibrillation
The use of electrical shock to restore the heart's normal rhythm.
Implantable Cardioverter Defibrillator (ICD)
A specialized device designed to detect and stop abnormal heart rhythms (arrhythmias) by delivering shocks.
Subcutaneous ICD (S-ICD)
An ICD variant that is placed under the skin, without leads directly in the heart, reducing certain risks.
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