Indications: supraventricular tachycardia including atrial fibrillation, atrial flutter and sinus tachycardia; intraoperative and post-operative tachycardia and/or hypertension.

Cautions, contra-Indications & Side Effects: symptomatic hypotension at any dose; cardiac failure; patients with hypertension due to vasoconstriction associated with hypothermia; diabetes and hypoglycaemia (Also see propranolol).

Dose: supraventricular tachycardia, initiate treatment with a loading dose of 500 mcg/kg/min over 1-minute followed by a 4-minute maintenance infusion of 50 mcg/kg/min. Usual dosage within range 50-200 mcg/kg/minute.