Shock is a critical condition resulting from a lack of blood flow throughout the body. The four types of shock are obstructive, cardiogenic, distributive and hypovolemic. The type of shock that is brought on by severe bleeding is hypovolemic. Hypovolemic shock results from a lack of volume of blood flow throughout the body.
Shock can be caused from internal or external loss of blood from an injury. In external bleeding, the blood is easily seen versus internal bleeding, when relying on signs and symptoms is the best indicator. There are 3 stages of shock. The first stage is compensated, the second is decompensated and the third is irreversible.
Compensated: Weakness, Sweating, Pulse above 100, Increased breathing rate, Nausea, Enlarged pupils, Dizziness
Decompensated: Altered mental status, Enlarged pupils, Falling blood pressure, Pulse above 100, Cardiac arrest
Irreversible: Progressive decline in blood pressure, Organ failure
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