It’s time to start diving deep into the critical diagnoses of Emergency Medicine. Partially because I think we need to mix up the format every once in awhile to keep things interesting, but also because your attending will expect you to know the basics about these common emergencies. Today, we’re starting with preeclampsia. Never ignore a blood pressure greater than 135/85 in a pregnant woman! This is a HUGE pitfall that young doctors make, because a mildly elevated blood pressure may be the only objective warning you get before the patient develops massive end-organ damage, pregnancy failure, eclampsia, and HELLP syndrome. ALL pregnant patients >20 weeks and ALL recently postpartum patients with a blood pressure greater than 135/85 need certain tests, treatments, and OBGYN consultation. They might have the critical diagnosis – Preeclampsia