Find the word definition

Wiktionary
isoprenaline

n. A sympathomimetic beta-adrenergic agonist medication, structurally similar to epinephrine and mainly used in treating bradycardia.

Wikipedia
Isoprenaline

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. In humans, it is a non-selective β adrenoreceptor agonist and TAAR1 agonist that is structurally similar to epinephrine (adrenaline).