Intravenous Labetalol vs Phentolamine for the Management of Severe Preeclampsia.

Group L will recieve labetalol intravenous infusion (Trandate, Gsk) in a concentration of 10 mg/ ml, thus 50 mg/ml equals to 5 ml/hr. The starting infusion rate of the antihypertensive medication is 5 ml/hr for an 80 Kg patient.

Group P will receive phentolamine intravenous infusion (Rogitamine) in a concentration of 10 mg/ml, thus 1 µg/Kg/min equals to 4.8 ml/hr for an 80 Kg patient.