Combating an arrhythmia. SYN: antidysrhythmic.
* * *
an·ti·ar·rhyth·mic -(.)ā-'rith-mik adj counteracting or preventing cardiac arrhythmia <an \antiarrhythmic agent>
antiarrhythmic n an antiarrhythmic agent
* * *
an·ti·ar·rhyth·mic (an″te-ə-rithґmik) 1. preventing or alleviating cardiac arrhythmia. 2. an agent that prevents or alleviates cardiac arrhythmia.Medical dictionary. 2011.