Arrhythmia/Dysrhythmia-cont’d

Arrhythmia is derived from “arrhuthmia”, Greek noun for lack of rhythm, and perhaps explains why the term has two Rs. It is believed to be first used in 1888 to describe irregularity of the pulse. Cardiac arrhythmia is the irregularity of the rhythm, or rate, of the normal heart beat which is controlled by the heart’s electrical system. […]