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impaired oxygenation of tissue = shock
Hypovolemic shock results with the loss of blood sweet in excess of _________ first sign on CBC? tx? sx? (BP, HR, O2, PVR, Temp of skin) give the sequence of events and manifested sx |
20% of blood volume - 1L
PMN leukocytosis--> NS (uncovers RBC deficit within hrs to days) decreased Co > low LVEDP >ADH and Ang II released in response to low CO and PVR increases (cold clammy skin) low CO causes increased O2 extraction and decreased mixed venous O2 content of blood measured by swan Ganz catheter (hypoxia) low CO (low BP) results in reflex tachy which leads to a rapid weak pulse |
