ANTIARRHYTHMIC MEDICATION Antonyms There is 0 antonym of the phrase antiarrhythmic medication. (opposite meanings)Sorry, we couldn't find any antonyms for ANTIARRHYTHMIC MEDICATION!Did you mean?Definition of ANTIARRHYTHMIC MEDICATIONSynonyms of ANTIARRHYTHMIC MEDICATIONAlso try opposite words for..medicationantiarrhythmic