Medically reviewed by Jeffrey S. Lander, MD Systolic pressure measures arterial pressure when the heart contracts, with normal readings less than 120 mmHg.  Diastolic pressure measures arterial ...
Preeclampsia blood pressure range involves a systolic reading of at least 140 millimeters of mercury (mm Hg) or a diastolic reading of at least 90 mm Hg. A person must manifest this on two occasions ...