Arrhythmia
group of conditions in which the heartbeat is irregular, too fast, or too slow
Arrhythmia (commonly called irregular heartbeat) is the name for a number of conditions, where the heartbeat is not normal. It may be too fast (tachycardia); too slow (bradycardia); or the heart may not beat in its regular rhythm.
![](http://up.wiki.x.io/wikipedia/commons/thumb/b/ba/2024_Cardiac_Arrhythmias.jpg/438px-2024_Cardiac_Arrhythmias.jpg)
Artificial pacemaker is used to care arrhythmia.