© 2011 National Safety Council SHOCK LESSON 9 9-1.
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Transcript of © 2011 National Safety Council SHOCK LESSON 9 9-1.
![Page 1: © 2011 National Safety Council SHOCK LESSON 9 9-1.](https://reader036.fdocuments.in/reader036/viewer/2022062516/56649e0d5503460f94af6f57/html5/thumbnails/1.jpg)
© 2011 National Safety Council
SHOCKLESSON 9
9-1
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© 2011 National Safety Council
Shock
• Dangerous condition
- Not enough oxygen-rich blood reaching vital organs such as brain and heart
• Caused by anything that significantly reduces blood flow
• Life-threatening emergency
• May develop quickly or gradually
• Always call 9-1-1 for victim in shock
9-2
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© 2011 National Safety Council
Normal Tissue Oxygenation
Three general conditions must be present:
1. Heart must efficiently pump blood
2. Blood volume sufficient to fill blood vessels
3. Blood vessels intact and functioning normally
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© 2011 National Safety Council
Causes of Shock
• Severe bleeding
• Severe burns
• Heart failure
• Heart attack
• Head or spinal injuries
• Severe allergic reactions
• Dehydration
• Electrocution
• Serious infections
• Extreme emotional reactions (temporary/less dangerous)
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© 2011 National Safety Council
Common Types of Shock
• Hypovolemic occurs when blood volume drops
• Cardiogenic occurs with diminished heart function
• Neurogenic occurs with nervous system problems
• Anaphylactic extreme allergic reaction
• http://www.youtube.com/watch?v=9a7N9AU1GiQ&feature=related
9-5
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© 2011 National Safety Council
Development of Shock
• Assume any victim with serious injury is at risk for shock
• Often occurs in stages
• May progress gradually or quickly
• Victim ultimately becomes unresponsive
• Not all victims experience all signs and symptoms of shock
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© 2011 National Safety Council
Signs and Symptoms of Shock
In compensatory shock (first stage):
- Anxiety, restlessness, fear- Increased breathing and heart rate
In decompensatory shock (second stage):
- Mental status continues to deteriorate- Breathing becomes rapid and shallow, and heartbeat rapid- Skin becomes pale or ashen and cool- Nausea and thirst occur
9-7
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Signs and Symptoms of Shockcontinued
In irreversible shock (third stage):
• Victim becomes unresponsive
• Respiratory and cardiac arrest
9-8
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Urgency of Shock Treatment
• Shock continues to develop unless medical treatment begins
• Call 9-1-1 immediately
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First Aid for Shock
1. Check for responsiveness, normal breathing and severe bleeding, and care for life-threatening injuries first.
2. Call 9-1-1.
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© 2011 National Safety Council
3. Have victim lie on back and raise legs so that feet are 6-12 inches above the ground.
Put breathing, unresponsive victim (if no suspected spinal injury) in recovery position
Loosen any tight clothing.
First Aid for Shock continued
9-11
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© 2011 National Safety Council
4. Be alert for vomiting; turn victim’s head to drain mouth.
5. Maintain normal body temperature.
First Aid for Shock continued
9-12
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© 2011 National Safety Council
Shock in Children
• Blood loss in infants/children may quickly lead to shock
• Susceptible to shock from dehydration
• Early shock may be less obvious but child’s condition rapidly declines
• Treatment is same as for adults
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Anaphylaxis
• Severe allergic reaction in some people
• Also called anaphylactic shock
• Life-threatening emergency because airway may swell
• Always call 9-1-1
9-14
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© 2011 National Safety Council
Causes of Anaphylaxis
• Common allergens:
- Certain drugs- Certain foods- Insect stings and bites
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Development of Anaphylaxis
• Signs and symptoms may begin within seconds to minutes
• The more quickly it occurs – the more serious
• You cannot know how severe the reaction will be
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Signs of anaphylaxis
• Itching
• Redness
• Swelling
• Progressing to:
- Tightness in the chest
- Difficulty breathing
- Unconsciousness
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Prevention of Anaphylaxis:Medication Allergies
• Maintain a history of medication reactions and share it with health care providers
• Wear a medical alert ID
• Read product labels carefully
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Prevention of Anaphylaxis:Insect Stings
• Stay away from insect nesting areas
• Check around home for insect nests
• Wear clothing that covers arms and legs
• Wear shoes
• Do not swat or wave insects away
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• May be carried by people with severe allergies
• Medication stops anaphylactic reaction
• Ask a victim about it
• Help victim open and use auto-injector
Emergency Epinephrine Auto-Injector
9-20
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© 2011 National Safety Council
First Aid for Anaphylaxis
1. Call 9-1-1
2. Help victim use his or her epinephrine auto-injector
3. Monitor victim’s breathing and be ready to give CPR if needed
4. Help victim sit up in position of easiest breathing - put unresponsive victim who is breathing in recovery position
9-21