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© 2009 Delmar, Cengage Learning Chapter 15 First Aid.
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Transcript of © 2009 Delmar, Cengage Learning Chapter 15 First Aid.
![Page 1: © 2009 Delmar, Cengage Learning Chapter 15 First Aid.](https://reader038.fdocuments.in/reader038/viewer/2022102417/56649de95503460f94ae4c61/html5/thumbnails/1.jpg)
© 2009 Delmar, Cengage Learning
Chapter 15
First Aid
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© 2009 Delmar, Cengage Learning
15:1 Providing First Aid
• Immediate care given to the victim of an accident or illness to minimize the effect of injury or illness until experts can take over
• Reasons for providing correct first aid
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© 2009 Delmar, Cengage Learning
Basic Principles of Providing First Aid
• Remain calm and avoid panic
• Evaluate situation thoroughly
• Have a reason for anything you do
• Treatment you provide will vary depending on type of injury or illness, environment, others present, equipment or supplies on hand, and availability of medical help
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© 2009 Delmar, Cengage Learning
First Steps
• Recognize that an emergency exists
• Use all senses to detect problems
• Sometimes signs of emergency are obvious and at other times they are less obvious
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© 2009 Delmar, Cengage Learning
Next Steps
• Check the scene and make sure it is safe to approach
• What to observe
• If not safe, call for medical help
• If safe, approach the victim
• Call emergency medical services (EMS) as soon as possible
(continues)
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© 2009 Delmar, Cengage Learning
Next Steps(continued)
• If possible, obtain the victim’s permission before providing any care
• Triage if necessary
• Check for other injuries
• Obtain as much information as possible before you proceed
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© 2009 Delmar, Cengage Learning
General Principles
• Obtain qualified help
• Avoid any unnecessary movement of the victim
• Reassure the victim
• Use a confident, calm attitude to help relieve victim’s anxiety
• Avoid giving the victim anything to eat or drink
(continues)
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© 2009 Delmar, Cengage Learning
General Principles(continued)
• Protect the victim from cold or chilling, but avoid overheating
• Work quickly in an organized and efficient manner
• Do not make a diagnosis or discuss condition with observers at scene
(continues)
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© 2009 Delmar, Cengage Learning
General Principles(continued)
• Maintain confidentiality and protect the victim’s right to privacy while providing treatment
• Make every attempt to avoid further injury or harm
• Provide only the treatment you are qualified to provide
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© 2009 Delmar, Cengage Learning
15:2 Performing CPR
• Cardiopulmonary resuscitation (CPR):– Cardio: the heart
– Pulmonary: the lungs
– Resuscitation: to remove from apparent death or unconsciousness
• When performing CPR, you breathe for the patient and circulate blood
(continues)
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© 2009 Delmar, Cengage Learning
Performing CPR(continued)
• Purpose: keep oxygenated blood flowing to the brain and other vital body organs
• Performed until the heart and lungs start working again or until medical help is available
• Clinical versus biological death
(continues)
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© 2009 Delmar, Cengage Learning
Performing CPR(continued)
• ABCDs of CPR– A stands for airway
– B stands for breathing
– C stands for circulation
– D stands for defibrillation
(continues)
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© 2009 Delmar, Cengage Learning
Performing CPR(continued)
• Evaluate victim’s condition before starting CPR:– Check if patient is conscious
– If unconscious, check for breathing
– If not breathing, place victim on back
– Open the airway by using the head-tilt/chin lift or jaw-thrust maneuver
(continues)
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© 2009 Delmar, Cengage Learning
Performing CPR(continued)
• Look for chest movement
• Listen for breathing
• Feel for movement of air from the nose or mouth
• If not breathing, give two breaths
• Make sure breaths are effective
• Then check the carotid pulse
(continues)
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© 2009 Delmar, Cengage Learning
(continues)
Performing CPR(continued)
• Correct hand placement is needed before performing chest compressions
• Various methods of CPR used
• One-person adult rescue for adult– 30 compressions followed by 2 ventilations (30:2 ratio)
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© 2009 Delmar, Cengage Learning
(continues)
Performing CPR(continued)
• Two-person adult rescue for adult– 30 compressions by one rescuer followed with
2 ventilations by the second rescuer (30:2 ratio)
• CPR for infants (birth to one year)– 30 compressions followed by 2 ventilations for one
rescuer (30:2 ratio)
– 15 compressions followed by 2 ventilations for two rescuers (15:2 ratio)
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© 2009 Delmar, Cengage Learning
Performing CPR(continued)
• CPR for children (1 year to puberty)– 30 compressions followed by 2 ventilations for one
rescuer (30:2 ratio)
– 15 compressions followed by 2 ventilations for two rescuers (15:2 ratio)
• CPR for choking victims
• Reasons for stopping CPR
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© 2009 Delmar, Cengage Learning
15:3 Providing First Aid for Bleeding and Wounds
• Wound is an injury to soft tissues– Open: break in skin or mucous membranes
– Closed: no break in skin or mucous membranes, but injury occurs to underlying tissues
– Wounds can result in bleeding, infection, and/or tetanus
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© 2009 Delmar, Cengage Learning
Classifications of Open Wounds
• Abrasion
• Incision
• Laceration
• Puncture
• Avulsion
• Amputation
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Controlling Bleeding
• First priority because victim can bleed to death quickly
• Bleeding can come from arteries, veins, or capillaries
• Observe standard precautions
(continues)
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© 2009 Delmar, Cengage Learning
Controlling Bleeding(continued)
• Direct pressure
• Elevation
• Pressure bandages
• Pressure on pressure points
• Do not disturb clots
• Do not remove dressings
• Do not clean wound
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© 2009 Delmar, Cengage Learning
Minor Wounds
• First priority—prevention of infection
• Wash your hands thoroughly before caringfor wound
• Put on gloves
• Wash the wound with soap and water
• Rinse the wound
• Use sterile supplies
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© 2009 Delmar, Cengage Learning
Signs of Infection
• Swelling
• Heat
• Redness
• Pain
• Fever
• Pus
• Red streaks
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© 2009 Delmar, Cengage Learning
Tetanus
• Tetanus bacteria can easily enter an open wound
• Serious illness
• Get tetanus shot or booster as needed
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Objects Embedded in Wound
• Examples such as splinters, pieces of glass, or small stones
• If superficial, gently remove
• Objects embedded in tissues should be left and removed by physician
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© 2009 Delmar, Cengage Learning
Closed Wounds
• Can occur anywhere on body
• If bruise, apply cold application to reduce swelling
• Observe for signs of internal bleeding
• Get medical help
• Check breathing and treat for shock
• Avoid unnecessary movement
• No food or fluids
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© 2009 Delmar, Cengage Learning
15:4 Providing First Aid for Shock
• Also called hypoperfusion
• Shock: clinical set of signs and symptoms that are associated with an inadequate supply of blood to body organs, especially brain and heart
• Causes of shock
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© 2009 Delmar, Cengage Learning
Types of Shock
• See Table 15-1 in text
• Anaphylactic
• Cardiogenic
• Hemorrhagic
• Metabolic
• Neurogenic
(continues)
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© 2009 Delmar, Cengage Learning
Types of Shock(continued)
• Psychogenic
• Respiratory
• Septic
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© 2009 Delmar, Cengage Learning
Signs and Symptoms of Shock
• Skin is pale or bluish-gray and cool or cold to the touch
• Diaphoresis
• Rapid and weak pulse
• Respirations rapid, shallow, and may be irregular
• Blood pressure very low or unobtainable
(continues)
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© 2009 Delmar, Cengage Learning
Signs and Symptoms of Shock(continued)
• General weakness
• Anxiety and extreme restlessness
• Excessive thirst
• Nausea and/or vomiting
• Blurred vision or changes in appearance of eyes
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© 2009 Delmar, Cengage Learning
Treatment for Shock
• Goals of treatment
• Positioning of victim
• Maintain body temperature
• Avoid food or drink
• Other principles of care
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15:5 Providing First Aid for Poisoning
• Can happen to anyone
• Poison: any substance that causes a harmful reaction to the outside or inside of the body
• Immediate action is needed
• First aid varies depending on type of poison, injury involved, and the method of contact
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© 2009 Delmar, Cengage Learning
Ways Poisoning Occurs
• Ingesting various substances
• Inhaling poisonous gases
• Injecting substances
• Contacting the skin with poison
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© 2009 Delmar, Cengage Learning
First Aid for Poisoning
• If poison has been swallowed– Methods to induce vomiting
• If poisoning by inhalation of gases
• If poisoning by contact with skin
• Contact with poisonous plants
• If poisoning by injection
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© 2009 Delmar, Cengage Learning
15:6 Providing First Aid for Burns
• Injury caused by fire, heat, chemical agents, radiation, and/or electricity
• Classifications of burns– Superficial
– Partial-thickness
– Full-thickness
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© 2009 Delmar, Cengage Learning
Treatment Objectives
• Remove source of heat
• Cool the skin
• Cover the burn
• Relieve pain
• Observe for and treat shock
• Prevent infections
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© 2009 Delmar, Cengage Learning
Treatment
• Usually not required for superficial and mild partial-thickness burns
• Rules for when to treat
• All full-thickness burns require medical treatment
• How to treat superficial and mild partial-thickness burns
(continues)
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Treatment(continued)
• How to treat severe partial- or full-thickness burns
• How to treat when chemicals splashed on skin
• How to treat eyes burned by chemicals or irritating gases
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© 2009 Delmar, Cengage Learning
15:7 Providing First Aidfor Heat Exposure
• Overexposure to heat may cause a chemical imbalance in the body
• Occurs when water and salt are lost through perspiration
• Also occurs when body cannot eliminate excess heat
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© 2009 Delmar, Cengage Learning
Heat Cramps
• Muscle pains and spasms
• Caused by exposure to heat
• Loss of water and salt
• Apply firm pressure on cramped muscle to provide relief
• Provide rest and move to cooler area
• Small sips of water or electrolyte solution (e.g., sports drink)
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© 2009 Delmar, Cengage Learning
Heat Exhaustion
• Occurs when exposed to heat with loss of fluids through sweating
• Signs and symptoms
• First aid care
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Heat Stroke
• Prolonged exposure to higher than normal temperatures
• Medical emergency—needs immediate care and attention
• Body unable to eliminate excess heat
• Signs and symptoms
• First aid care
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© 2009 Delmar, Cengage Learning
15:8 Providing First Aidfor Cold Exposure
• Exposure to cold temperatures can cause body tissues to freeze and body processes to slow down
• Needs immediate attention
• Degree of injury affected by wind velocity, amount of humidity, and length of exposure to cold
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© 2009 Delmar, Cengage Learning
Hypothermia
• When body temperature is less than 95ºF (35ºC)
• Caused by prolonged exposure to cold
• Signs and symptoms
• Death can occur if body processes become too slowed down
• First aid care
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Frostbite
• Freezing of tissue fluids with damage to the skin and underlying tissues
• Caused by exposure to freezing or below-freezing temperatures
• Early signs and symptoms
• Other signs and symptoms as frostbite progresses
(continues)
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Frostbite(continued)
• Objectives of first aid
• Common sites: fingers, toes, ears, nose, cheeks
• First aid care
• Assess for signs and symptoms of shock and treat as needed
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© 2009 Delmar, Cengage Learning
15:9 Providing First Aidfor Bone and Joint Injuries
• Frequently occur during accidents or falls with variety of injuries
• Examples: fractures, dislocations, sprains, and strains
• May have more than one type of injury to bones and joints at the same time
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Fracture
• Break in the bone
• Closed or simple fracture
• Compound or open fracture
• Signs and symptoms
• Objectives of first aid
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Dislocation
• When the end of the bone is displaced from a joint or moved out of its normal position within a joint
• Tearing or stretching of ligaments, muscles, and other soft tissues also frequently occurs
• Signs and symptoms
• First aid care
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© 2009 Delmar, Cengage Learning
Sprain
• Injury to tissues surrounding a joint
• Common sites: ankles and wrists
• Signs and symptoms
• Sprains frequently resemble fractures or dislocations—treat as fracture if any doubt
• First aid care
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Strain
• Overstretching of a muscle
• Caused by overexertion or by lifting
• Frequent site: back
• Signs and symptoms
• First aid treatment
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Splints
• Devices to immobilize injured parts
• Types of splints– Pneumatic or air splints
– Padded boards
– Traction splints
• Splints can also be made from cardboard, newspapers, pillows, boards, etc.
(continues)
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© 2009 Delmar, Cengage Learning
Splints(continued)
• Need to be long enough to immobilize the joint above and below the injured area to prevent movement
• Should be padded
• Tied in place
• Apply as not to create pressure on affected area
• If open wound, control bleeding before applying splint
(continues)
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Splints(continued)
• Never attempt to reposition bone
• Splint before moving victim
• Observe precautions when using pneumatic splints
• Traction splints
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Circulation Check After Splint
• Verify that the splints are not too tight
• Check skin temperature
• Check color
• Note swelling or edema
• Numbness or tingling
• Check pulse
• If circulation impaired, immediately loosen the ties
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Slings
• Commercial slings
• Triangular bandages
• Use: support arm, hand, forearm, and shoulder
• Positioning of sling
• Check circulation
• Limit movement of limb
(continues)
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Slings(continued)
• If using knots– Placement
– Padding
• Considerations for shoulder injury
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Neck or Spine Injury
• Most dangerous types of injuries involving bones and joints
• Movement can result in permanent injury resulting in paralysis
• Avoid any movement of victim if at all possible
• Wait for backboard and adequate help to arrive for transfer
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15:10 Providing First Aidfor Specific Injuries
• Treatment for burns, bleeding, wounds, poisoning, and fractures is basically the same
• Injuries to specific body parts require special care
• Examples: eyes, ears, nose, brain, chest, abdomen, and genital organs
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Eye Injuries
• Always involves danger of vision loss
• Best to avoid giving major treatment
• Obtain help of a specialist
• Foreign objects in the eye
• Blows to the eye
• Penetrating injuries that cut eye tissue
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Ear Injuries
• Can result in rupture or perforation of eardrum
• Torn or detached tissue
• Ruptured or perforated eardrum
• Clear fluid or blood-tinged fluid draining from ear
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Brain Injuries
• Wounds and blows to head and skull can cause brain injury
• Seek medical help quickly as possible
• Signs and symptoms
• First aid care
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Nose Injuries
• Nosebleeds are usually more frightening than serious
• Nosebleeds also called epistaxis
• Causes of nosebleeds
• First aid care
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Chest Injuries
• Usually medical emergencies
• Involve heart, lungs, and major vessels
• Sucking chest wound
• Penetrating injuries to the chest
• Crushing injuries to the chest
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Abdominal Injuries
• Can cause damage to internal organs and bleeding in major blood vessels
• Intestines and other abdominal organs may protrude from open wound
• Medical emergency
• Bleeding, shock, and damage to organs can be fatal
• Signs and symptoms
• First aid care
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Injuries to Genital Organs
• Result of falls, blows, or explosions
• Can cause severe pain, bleeding, and shock
• First aid care
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15:11 Providing First Aidfor Sudden Illness
• Can be difficult to determine exact illness being experienced
• Base care on signs and symptoms
• Information from victim if possible
• Look for medical alert bracelets or necklaces or medical cards
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Heart Attack
• Known by other names as coronary thrombosis, coronary occlusion, or myocardial infarction
• Occurs when there is blockage in one or more coronary arteries
• If heart stops, start CPR
• Signs and symptoms
• First aid care
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Cerebrovascular Accident
• Also called stroke, apoplexy, or cerebral thrombosis
• Causes
• Signs and symptoms
• First aid care
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Fainting
• Temporary reduction in supply of blood to brain
• Early signs and treatment
• If victim loses consciousness, try to prevent injury
• Obtain medical help if recovery not prompt, there are other injuries, or fainting reoccurs
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Convulsion
• Type of seizure—strong involuntary contraction of muscles
• Causes
• Progression of a convulsion
• First aid care is directed at preventing self-injury
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Diabetes Mellitus
• Metabolic disorder caused by lack of or insufficient production of insulin
• Diabetic coma
• Insulin shock
• Differentiate between diabetic coma and insulin shock
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15:12 Applying Dressings and Bandages
• Dressings used as sterile covering and to control bleeding
• Materials used in dressings
• Dressings can be held in place with tape or a bandage
• Bandages used to hold dressings in place, to secure splints, and to support and protect body parts
(continues)
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Applying Dressings and Bandages(continued)
• Apply bandages snugly to control bleeding and prevent movement of dressing, but not to interfere with circulation
• Types of bandages consist of:– Roller gauze
– Triangular
– Elastic
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Methods to Wrap Bandages
• Depends on the body part– Spiral
– Figure-eight for joints
– Recurrent or finger wrap
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Checkpoints for Circulation
• Check circulation after application
• Signs of poor or impaired circulation:– Swelling or edema
– Pale or cyanotic color
– Coldness to touch
– Numbness or tingling
– Poor or slow capillary refill
• Loosen bandage immediately
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Summary
• Proper first aid can save a life
• Provide only care you are qualified to provide
• Always reassure victim and avoid unnecessary stress and movement
• Obtain medical help as needed