Table 18-2. Indicators of mild to moderate versus severe preeclampsia-eclampsia

Site	Indicator	Mild to Moderate	Severe
Central nervous system	Symptoms and signs	Hyperreflexia Headache	Seizures Blurred vision Scotomas Headache Clonus Irritability
Kidney	Proteinuria	0.3-5 g/24 h	> 5 g/24 h or catheterized urine with 4+ protein
	Urinary output	> 20-30 mL/h	< 20-30 mL/h
Liver	AST, ALT, LDH	Normal	Elevated LFTs Epigastric pain Ruptured liver
Hematologic	Platelets Hemoglobin	> 100,000/uL Normal range	< 100,000/uL Elevated
Vascular	Blood pressure	< 160/110 mm Hg	>160/110 mm Hg
	Retina	Arteriolar spasm	Retinal hemorrhages
Fetal- placental unit	Growth retardation	Absent	Present
	Oligohydramnios Fetal distress	May be present Absent	Present Present

Key:

AST = aspartate aminotransferase;

ALT = alanine aminotransferase;

LDH = lactate dehydrogenase;

LFTs = liver function tests.