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Shock
OVERVIEW
HISTORICAL PERSPECTIVE:
- There is limited historical perspective for shock.
Definition:
Shock is defined as decrease in the oxygen delivery to the cells and tissues due to either increase in oxygen demand, decrease in oxygen consumption, inadequate oxygen utilization or a combination of these processes.
Classification:
- Distributive shock
- Obstructive shock
- cardiogenic shock
- Hypovolemic shock
Causes:
- Distributive shock can be from Septic Shock, Systemic inflammatory response syndrome, endocrine, toxin and drug induced, Anaphylactic shock and Neurogenic shock.
- Obstructive shock can be mechanical, pulmonary or Vascular causes.
- Cardiogenic shock can be from cardiomyopathy, Arryhthmias or mechanical.
- Hypovolemic shock can be hemorrhagic or non -hemorrhagic.
| shock | |||||||||||||||||||||||||||||||||||||
| cold clammy extremities | warm bounding extremities | ||||||||||||||||||||||||||||||||||||
| Low cardiac output | high cardiac output | ||||||||||||||||||||||||||||||||||||
| inc JVP,crackes | Dec JVP,orthostasis | septic shock,liver failure | |||||||||||||||||||||||||||||||||||
| cardiogenic shock | hypovolemic shock | ||||||||||||||||||||||||||||||||||||
| antibiotics,IV fluids | |||||||||||||||||||||||||||||||||||||
| evaluate for MI | IV fluids | ||||||||||||||||||||||||||||||||||||