Blood pressure support includes IV crystalloid infusion (normal saline or lactated Ringer's) Inotropic or vasopressor drugs with a goal of maintaining systolic blood pressure of at least 90 mm Hg and MAP of at least 65 mm Hg Rarely intra-aortic balloon counterpulsation Patients with low MAP and low central venous pressure should have IV fluid challenge with 0.9% saline infused in 250-mL increments.