TY - CHAP M1 - Book, Section TI - Shock Syndromes A1 - Schwinghammer, Terry L. A1 - DiPiro, Joseph T. A1 - Ellingrod, Vicki L. A1 - DiPiro, Cecily V. Y1 - 2021 N1 - T2 - Pharmacotherapy Handbook, 11e AB - Shock involves a group of syndromes that cause acute, generalized circulatory failure associated with inadequate tissue and organ perfusion. Shock is characterized by systolic blood pressure (SBP) <90 mm Hg (or reduction of at least 40 mm Hg from baseline) or mean arterial blood pressure (MAP) <70 mm Hg with tachycardia and organ perfusion abnormalities.Classes of shock based on etiologic mechanisms include (1) hypovolemic, (2) cardiogenic, (3) obstructive, and (4) vasodilatory/distributive. Patients may have components of more than one shock syndrome upon presentation. SN - PB - McGraw Hill CY - New York, NY Y2 - 2024/04/18 UR - accesspharmacy.mhmedical.com/content.aspx?aid=1178896124 ER -