1113. Hemodynamic changes in pregnancy (3 trimesters): HR, SBP, DBP, CO, CVP, blood volume, HCT, WBC September 20th, 2009 by reuben in .trauma-general, pregnancy CVP units: mm Hg Back Top Tags: card 1112. What is the leading cause of maternal death? / List the pregnancy changes that can mimic shock, hide shock, exacerbate bleeding, complicate intubation 1114. Where to put a chest tube in the third trimester // Term values of ESR, fibrinogen, pCO2, HCO3- Leave a Reply Cancel reply Please post any discussion to the emupdates Reddit page.