What is preeclampsia? New onset of hypertension and proteinuria or end-organ dysfunction after 20 weeks gestation. What are the signs of preeclamptic hypertension? Systolic over 140 or diastolic over 90 on 2 occasions at least 4 hours apart. Or systolic over 160 or diastolic over 110 confirmed on repeat check. What are some signs of preeclamptic proteinuria? Over 300 mg of protein in 24 hour urine collection or protein to creatinine ratio 0.3 or urine dipstick plus 1 when above not availa...