| Drug | Dose | Risks |
|---|---|---|
| Diltiazem* | 0.25 mg/kg IV bolus over 10 min; repeat at 0.35 mg/kg IV | Hypotension, bradycardia |
| Metoprolol | 2.5-5 mg IV bolus over 2 min; up to 3 doses | Hypotension, bradycardia |
| Verapamil* | 0.075-0.15 mg/kg IV over 2 min | Hypotension, bradycardia |
| Digoxin | 0.25 mg IV each 2 h; up to 1.5 mg | Bradycardia, digitalis toxicity |
*Calcium-channel blockers should not be used in patients with heart failure/ left ventricular dysfunction.