Postpartum preeclampsia/eclampsia is the presence of hypertension and proteinuria, with or without seizures, occurring up to 4 weeks after delivery. We describe the Emergency Department (ED) presentation, signs and symptoms, results of diagnostic studies, management, and outcome in a cohort of patients diagnosed with postpartum preeclampsia/eclampsia at our institutions, and use this to review the diagnosis and management of postpartum preeclampsia/eclampsia.