An antianginal and class III antiarrhythmic drug. It increases the duration of ventricular and atrial muscle action by inhibiting POTASSIUM CHANNELS and VOLTAGE-GATED SODIUM CHANNELS. There is a resulting decrease in heart rate and in vascular resistance.

Synonyms: Braxan, SKF 33134-A, Tachydaron, Ortacrone, Kordaron, Amiobeta, L-3428, Amiodarone, Corbionax, Rytmarone, Amiodarex, SKF 33134 A, Cordarone, Amiohexal, Trangorex, Cordarex, SKF 33134A, Hydrochloride, Amiodarone, N3RQ532IUT, Methanone, (2-butyl-3-benzofuranyl)(4-(2-(diethylamino)ethoxy)-3,5-diiodophenyl)-, 0, L 3428, L3428, Amiodarona, Aratac, 976728SY6Z, Amiodarone Hydrochloride