In women with severe hypertension plus headaches and or tachycardia maternal heart rate 100 bpm, I recommend bolus doses of IV labetalol starting at 20 mg with repeat doses of 40 mg, and 80 mg, and 80 mg every 15 min to achieve the desired BP target of systolic BP between 140 155 mm Hg and or diastolic BP between 90 105 mm Hg
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