Arrhythmia vs. Dysrhythmia

Arrhythmianoun

An irregular heartbeat.

Arrhythmianoun

A disease entity involving such beats, such as atrial fibrillation, ventricular tachycardia, AV nodal reentrant tachycardia, or others.

Arrhythmianoun

an abnormal rate of muscle contractions in the heart

Arrhythmia

Arrhythmia, also known as cardiac arrhythmia or heart arrhythmia, is a group of conditions in which the heartbeat is irregular, too fast, or too slow. The heart rate that is too fast – above 100 beats per minute in adults – is called tachycardia, and a heart rate that is too slow – below 60 beats per minute – is called bradycardia.

Dysrhythmianoun

A disturbance to an otherwise normal biological rhythm (especially that of the heart).