Adenosine (Tachyban) 3mg/ml Solution for Injection IV, 2ml Ampoule (5’s) is an antiarrhythmic medication used for the rapid treatment of supraventricular tachycardia (SVT). It works by slowing conduction through the atrioventricular (AV) node, helping to restore normal heart rhythm. Administered intravenously under medical supervision in hospital or emergency settings.