Shock (patient information)
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Overview
Shock happens when not enough blood and oxygen can get to your organs and tissues. It causes very low blood pressure and may be life threatening. It often happens along with a serious injury.
What are the symptoms of shock?
Symptoms of shock include:
- Confusion or lack of alertness
- Loss of consciousness
- Sudden and ongoing rapid heartbeat
- Sweating
- Pale skin
- A weak pulse
- Rapid breathing
- Decreased or no urine output
- Cool hands and feet
What causes shock?
There are several kinds of shock. Hypovolemic shock happens when you lose a lot of blood or fluids. Causes include internal or external bleeding, dehydration, burns, and severe vomiting and/or diarrhea. Septic shock is caused by infections in the bloodstream. A severe allergic reaction can cause anaphylactic shock. An insect bite or sting might cause it. Cardiogenic shock happens when the heart cannot pump blood effectively. This may happen after a heart attack. Neurogenic shock is caused by damage to the nervous system.
Who is at highest risk?
Diagnosis
When to seek urgent medical care?
Shock is a life-threatening medical emergency and it is important to get help right away.
Treatment options
Treatment of shock depends on the cause.
Contraindicated medications
Shock is considered an absolute contraindication to the use of the following medications: