Intravenous Therapy to Terminate Supraventricular Tachycardia (AV Nodal Re-Entrant Tachycardia and AV Re-Entrant Tachycardia)
| Drug | Comment | Dose |
|---|---|---|
May cause facial flushing, chest pain, hypotension, bronchospasm May cause brief asystole, atrial fibrillation and non-sustained ventricular tachycardia Use with caution in patients with severe airways disease Contraindicated in patients with heart transplant May cause hypotension Contraindicated in patients taking beta blockers or in heart failure Short-acting (half-life 8 min) beta-1 selective beta blocker May cause hypotension | 6 mg IV bolus through large bore cannula, followed by rapid saline flush. Repeat as necessary, if no response within 2 min, with 12, 18 and 24 mg boluses 5 mg IV over 5 min, to maximum dose of 15 mg 500μgm/kg over 1 min, followed by 200μgm/kg over 4 min 5 mg IV over 5 min, to maximum dose of 15 mg |