Definitions of antiarrhythmic
a drug used to treat an abnormal heart rhythm
antiarrhythmic drug, antiarrhythmic medication
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an antiarrhythmic drug (trade name Cordarone) that has potentially fatal side effects and is used to control serious heart rhythm problems only when safer agents have been ineffective
antiarrhythmic drug (trade name Enkaid) used to treat life-threatening arrhythmias but increases the risk of sudden death in heart attack patients
oral antiarrhythmic medication (trade name Tambocor) used as a last resort in treating arrhythmias; increases the risk of sudden death in heart attack patients
antiarrhythmic drug (trade name Mexitil) used to treat ventricular arrhythmias
Quinidex, Quinora, quinidine
cardiac drug (trade names Quinidex and Quinora) used to treat certain heart arrhythmias
antiarrhythmic drug (trade name Tonocard) used to treat ventricular arrhythmias when less dangerous drugs have failed
medicament, medication, medicinal drug, medicine
(medicine) something that treats or prevents or alleviates the symptoms of disease