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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

physical entity go
an entity that has physical existence

causal agent, cause, causal agency go
any entity that produces an effect or is responsible for events or results

agent go
a substance that exerts some force or effect

drug go
a substance that is used as a medicine or narcotic

medicine, medication, medicament, medicinal drug go
(medicine) something that treats or prevents or alleviates the symptoms of disease

antiarrhythmic, antiarrhythmic drug, antiarrhythmic medication
a drug used to treat an abnormal heart rhythm

noun.artifact

6 Subcategories

amiodarone, Cordarone go
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
encainide, Enkaid go
antiarrhythmic drug (trade name Enkaid) used to treat life-threatening arrhythmias but increases the risk of sudden death in heart attack patients
flecainide, Tambocor go
oral antiarrhythmic medication (trade name Tambocor) used as a last resort in treating arrhythmias
mexiletine, Mexitil go
antiarrhythmic drug (trade name Mexitil) used to treat ventricular arrhythmias
quinidine, Quinidex, Quinora go
cardiac drug (trade names Quinidex and Quinora) used to treat certain heart arrhythmias
tocainide, Tonocard go
antiarrhythmic drug (trade name Tonocard) used to treat ventricular arrhythmias when less dangerous drugs have failed