Private: Free First Aid Course Online
About Lesson



It’s important not to confuse the two different forms of shock. One is PSYCHOLOGICAL (emotional). And the other is PHYSIOLOGICAL (circulatory). Physiological shock is a life-threatening condition which happens when the body isn’t getting enough flow of blood to the cells of vital organs and they lose oxygen.

Main causes of Shock

  • Severe blood loss (hypovolemic shock)
  • Heart related emergencies such as heart attack and cardiac arrest (cardiogenic shock)
  • Severe allergic reaction (anaphylactic shock)
  • Shock can also occur after severe burns, severe vomiting and bacterial infection

Treatment of shock:

Stop the cause of Shock.

  •  Hypovolemic shock (bleeding )
  • Cardiogenic shock (heart attack)
  • Anaphylactic shock (allergic reaction
  • Lay the casualty down flat and raise their legs to increase blood flow to the brain.
  • Dial 999 for an ambulance.
  • Keep casualty warm.
  • Do not allow the casualty to eat or drink.
  • Loosen tight clothing.

Common Signs & Symptoms:

  • Pale, cold, clammy skin.
  • Rapid weak pulse.
  • Fast, shallow breathing.
  • Nausea or vomiting.
  • Dizziness.
  • Sweating.
  • Blue lips.
  • Feeling faint.



Fainting happens when your brain does not get enough oxygen. You lose consciousness, or “pass out,” for a brief time (usually just a few seconds or minutes).

The primary symptom of fainting is losing consciousness. But there are other symptoms that may occur before you faint. These include feeling:

  • lightheaded
  • dizzy
  • weak
  • nauseated
  • sweaty
  • you also may have a headache or ringing in your ears.



Position the person on his or her back. If there are no injuries and the person is breathing, raise the person’s legs above heart level — about 12 inches (30 centimeters) — if possible. Loosen belts, collars or other constrictive clothing.
To reduce the chance of fainting again, don’t get the person up too quickly. If the person doesn’t regain consciousness within one minute, call 911 or your local emergency number.

Check for breathing. If the person isn’t breathing, begin CPR. Call 911 or your local emergency number. Continue CPR until help arrives or the person begins to breathe.

If the person was injured in a fall associated with a faint, treat bumps, bruises or cuts appropriately. Control bleeding with direct pressure.

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