II. Preparations: Calcium Channel Blockers

III. Preparations: Direct Acting Vasodilators IV

  1. Hydralazine (Apresoline)
    1. Dose: 10-40 mg IV/IM q4-6h
  2. Diazoxide (Hyperstat)
    1. Dose: 1-3 mg/kg up to 150 mg IV q5-15 min
  3. Nitroprusside Sodium (Nipride)
  4. Nitroglycerin Drip

IV. Preparations: Beta Blockers IV

  1. Esmolol (Brevibloc)
    1. Half-life: 9 minutes
    2. Preparation: 5g in 500 ml (10 mg/ml)
    3. Load: 500 ug/kg over 1 minute (70 kg: 35 mg, 3.5 ml)
    4. Infusion: 50-200 ug/kg/min IV (70 kg: 40 ml/h)
  2. Labetalol (Trandate)
    1. Start: 20 mg IV
    2. Titrate: 40-80 mg every 10 min up to 300 mg
  3. Metoprolol (Lopressor)
    1. Start: 5 mg increments IV
    2. Titrate: 5 mg IV q5-15 minutes to maximum of 15 mg

V. Preparations: ACE Inhibitors IV

  1. Enalapril (Vasotec)
    1. Dose: 1.25 mg IV q6h

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