Shock

1
Chapter 7

• Shock

2
Shock (1 of 2)

• Perfusion
• Adequate blood and oxygen are provided to all
  cells in body
• Circulatory system failure
• Not enough oxygenated blood is being supplied to
  every part of the body
• Can permanently damage body parts if untreated

3
Shock (2 of 2)

• Circulatory system has three components
• Working pump (heart)
• Network of pipes (blood vessels)
• Adequate amount of fluid (blood)
• Circulatory system failure
• Pump (heart) failure
• Fluid loss
• Pipe failure (blood vessels)

4
Perfusion Triangle
5
Types of Shock

• Cardiogenic
• Hypovolemic
• Neurogenic

• Septic
• Anaphylactic
• Psychogenic

6
Recognizing Shock

• Altered mental status
• Pale, cold, and clammy skin
• Nausea and vomiting
• Rapid breathing and pulse
• Unresponsive in late stages

7
Care for Shock

• Treat severe and life-threatening injuries.
• Position victim on his or her back.
• Raise victims legs 6 to 12 inches.
• Prevent heat loss.

8
Anaphylaxis

• Immune system reacts violently to a particular
  substance
• Severe allergic reactions to
• Medications
• Foods
• Insect stings
• Plant pollen

9
Recognizing Anaphylaxis (1 of 2)

• Skin
• Flushing, itching, burning
• Hives
• Swelling
• Cyanosis
• Circulatory system
• Weak pulse
• Dizziness
• Fainting

10
Recognizing Anaphylaxis (2 of 2)

• Respiratory system
• Sneezing
• Chest tightness
• Breathing difficulty
• Secretions of fluid
• Wheezing
• Breathing stops

11
Care for Anaphylaxis (1 of 2)

• Monitor breathing.
• Administer CPR if needed.
• Call 9-1-1 immediately.

12
Care for Anaphylaxis (2 of 2)

• If victim has epinephrine auto-injector, help
  with its use.
• Give antihistamine to prevent further reactions.
• Keep responsive victim sitting up.

13
Psychogenic Shock

• Once victim is lying down, responsiveness usually
  returns.
• If victim fell or has trouble walking
• Check for head and spine injury.
• Call 9-1-1 immediately.