Generic name: Isoproterenol
Isuprel is a medicine to treat blood vessel problems, including shock; irregular heartbeat, including heart block; and heart problems, including congestive heart failure and heart attack. It may be used to during anesthesia for airway constriction. It may also be used by your physician to treat certain other conditions.
It refers to sympathomimetics. The medicine relaxes blood vessels and improves the heart workload. It relaxes and widens the airways during anesthesia, thus helping more easily breathing.