Drug Therapy of Bradycardia
| Drug | Comment | Dose (IV) |
|---|---|---|
| Atropine | Inhibition of vagal tone | Bolus of 500–1000μgm, with further doses at 5 min intervals up to a total dose of 3 mg to achieve target heart rate |
| Dobutamine | Cardiac beta-1 receptor stimulation | Start infusion at 10μgm/kg/min |
| High doses may provoke ventricular arrhythmias | Adjust rate of infusion to achieve target heart rate | |
| Glucagon | To reverse beta blockade | Bolus of 2–10 mg followed by infusion of 50μgm/kg/h |