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.
Artificial pacemaker is used to care arrhythmia.
