II. Preparations: Calcium Channel Blockers
III. Preparations: Direct Acting Vasodilators IV
-
Hydralazine (Apresoline)
- Dose: 10-40 mg IV/IM q4-6h
-
Diazoxide (Hyperstat)
- Dose: 1-3 mg/kg up to 150 mg IV q5-15 min
- Nitroprusside Sodium (Nipride)
- Nitroglycerin Drip
IV. Preparations: Beta Blockers IV
-
Esmolol (Brevibloc)
- Half-Life: 9 minutes
- Preparation: 5g in 500 ml (10 mg/ml)
- Load: 500 ug/kg over 1 minute (70 kg: 35 mg, 3.5 ml)
- Infusion: 50-200 ug/kg/min IV (70 kg: 40 ml/h)
-
Labetalol (Trandate)
- Start: 20 mg IV
- Titrate: 40-80 mg every 10 min up to 300 mg
-
Metoprolol (Lopressor)
- Start: 5 mg increments IV
- Titrate: 5 mg IV q5-15 minutes to maximum of 15 mg