Glossary/Arrhythmia

Pacemaker.

A small battery-powered device implanted under the skin that sends electrical impulses to the heart to maintain a regular heartbeat. Used to treat slow heart rhythms (bradycardia) or certain types of heart block.

Definition

What is pacemaker?

A small battery-powered device implanted under the skin that sends electrical impulses to the heart to maintain a regular heartbeat. Used to treat slow heart rhythms (bradycardia) or certain types of heart block.

Related Terms

Related glossary terms.

Bradycardia
An abnormally slow heart rate, typically below 60 beats per minute. Can cause dizziness, fatigue,...
Heart Block
A delay or complete interruption in the electrical signals traveling from the atria to the ventri...
ICD
Implantable Cardioverter-Defibrillator. A device similar to a pacemaker that can also detect and ...
Cardiac Resynchronization Therapy
A specialized pacemaker (CRT or BiV pacer) that coordinates the contractions of the left and righ...
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