1. at receptor antagonists u(3)Shock cardiac output个; 0 redistribution of blood flow. shift of fluid from interstitial compartment to vascular compartment; u pulmonary pressure u should be used after fully adequate replacement of intravascular fluid(3) Shock cardiac output ; redistribution of blood flow; shift of fluid from interstitial compartment to vascular compartment; pulmonary pressure ; should be used after fully adequate replacement of intravascular fluid 1.  receptor antagonists