Isoprenaline (INN) or isoproterenol (USAN, trade names Medihaler-Iso and Isuprel) is a medication used for the treatment of bradycardia (slow heart rate), heart block, and rarely for asthma. It is a non-selective beta-adrenergic agonist and structurally similar to adrenaline. ==Uses== Its primary use is for bradycardia or heart block. By activatin... Found on http://en.wikipedia.org/wiki/Isoprenaline