What are the three stages of clinical manifestations in septic shock?
1. Hyperdynamic: confused, flushed & warm skin, bounding pulse, increased HR & CO, normal BP, decreased SVR
2. Normodynamic: short hard to recognize
3. Hypodynamic: cold and clammy skin, hypotension, weak thready pulse, hypoxia, acidosis, decreased UO, high PAP and CVP pressure, respiratory failure