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PIH is defined as a systolic blood pressure of at least 140 mm Hg or a diastolic pressure of at least 90 mm Hg on two occasions taken several hours apart. Preeclampsia is defined as the presence of hypertension with proteinuria or pathologic edema, or both occurring after 20 weeks of gestation. Preeclampsia is defined as mild unless one or more of the signs or symptoms noted in the following table are found:
SIGNS AND SYMPTOMS OF MILD AND SEVERE PREGNANCY INDUCED HYPERTENSION | ||
---|---|---|
Abnormality | Mild | Severe |
Systolic Blood pressure (mmHg) | 140-160 | > 160 |
Diastolic Blood pressure (mmHg) | 90-110 | > 110 |
Proteinuria/24 hour | > 300 mg | > 5g |
Dipsitck proteinuria | Trace to 1+ | > 2+ |
Serum creatinine | Normal | Elevated |
Oliguria | Absent | Present |
Seizures | Absent | Present |
Pulmonary edema | Absent | Present |
Headache | Absent | Present |
Visual disturbances | Absent | Present |
Upper abdominal pain | Absent | Present |
Liver enzymes (ALT, ADT) | Absent | Present |
Fetal growth | Normal | Retarded |