Notes
Slide Show
Outline
1
Burns
  • Treatment, Management, and Pathophysiology Review
2
Question
  • The skin is composed of how many distinct layers of tissue?
3
Answer
  • 3 (epidermis, dermis, subcutaneous layers)
4
Question
  • What are the primary functions of the skin?
5
Answer
  • 1.  Protect the body from infection
  • 2. Functions as an organ of sensation to temperature, pressure and pain
  • 3. Stores and moves body fluids into and out of the body as needed
  • 4.  Temperature regulation thru sweating and shivering
  • 5.  Insulation from trauma
  • 6. Accommodates free body movement


6
Question
  • What are the two rudimentary results of body tissue when exposed to excessive heat?
7
Answer
  • Evaporation and denatured proteins.
8
Question
  • According to Jackson’s theory of thermal wounds, which zone is characterized by the are surrounding the burn and white because of decreased blood flow?
9
Answer
  • Zone of stasis
10
Question
  • According to Jackson’s theory of thermal wounds, which zone is characterized by red color surrounding the burn associated with increased blood flow?
11
Answer
  • Zone of hyperemia
12
Question
  • According to Jackson’s theory of thermal wounds, which zone is characterized by the area nearest the heat source that suffers the most damage and has clotted blood and thrombosed blood vessels?
13
Answer
  • Zone of coagulation
14
Question
  • Which stage of the burn process is characterized by a catecholamine release and pain-mediated reaction?
15
Answer
  • Emergent phase
16
Question
  • Which stage of the burn process is characterized by an increase in body metabolism in an attempt by the body to heal?
17
Answer
  • Hypermetabolic phase
18
Question
  • Which stage of the burn process is characterized by the production of scar tissue and the completion of the healing process?
19
Answer
  • Resolution phase
20
Question
  • Which stage of the burn process is characterized by a massive shift of fluid from the intravascular to extravascular space?
21
Answer
  • Fluid shift phase
22
Question
  • How long after a critical burn does the fluid shift peak and how long does this phase last?
23
Answer
  • Peaks in 6 to 8 hours and can last up to 24 hours.
24
Question
  • What cardiac dysrhythmia is usually the result of an alternating current electrocution?
25
Answer
  • V. Fib
26
Question
  • What cardiac dysrhythmia is usually the result of a direct current electrocution?
27
Answer
  • asystole
28
Question
  • What is the paramedics primary concern when treating an electrical burn victim?
29
Answer
  • Scene Safety
30
Question
  • What type of flesh offers the least resistance to electrical current and may result in damage even from very small current?
31
Answer
  • Mucous membranes (ie: lip and oral burns in children)
32
Question
  • True or false:
  • It is necessary to assume c-spine immobilization precautions on a victim of electrocution?
33
Answer
  • True
    • Fractures may occur because of violent muscle contractions
34
Question
  • What is the name of the process in which acidic substances form a thick, insoluble mass, or coagulum when in contact with tissue?
35
Answer
  • Coagulation necrosis
36
Question
  • What is the name of the process in which alkaline substances destroy cell membranes, releasing the intercellular and interstitial fluids, destroying tissue?


37
Answer
  • Liquefaction necrosis
38
Question
  • Does an acid or base burn typically produce a more severe burn with greater tissue destruction?
39
Answer
  • Base (alkali) burns.


    • (acidic burns form an insoluble coagulum which limits the burn depth)
40
Question
  • On a daily bases, which type of radiation are we exposed to in the greatest amount?
41
Answer
  • Alpha radiation
42
Question
  • Which type of radiation is only a threat if our patient ingest or inhales the particles?
43
Answer
  • Alpha radiation
44
Question
  • What is the only type of radiation that does not have mass?  It is pure energy!
45
Answer
  • Gamma radiation
46
Question
  • What are three important points of information we need to know about a patient that was exposed to dangerous radiation?
47
Answer
  • Time (duration)
  • Distance
  • Shielding
48
Question
  • By doubling the distance between you and a radiation source, by how much radiation are you being exposed to compared to your initial position?
49
Answer
  • ¼ the initial amount


  • Exposure  = _____1______     (distance2)


  •   Therefore if you increase your distance by three fold, the amount decreases to 1/9 the initial exposure.
50
Question
  • What is the basic unit of absorbed radiation doses?
51
Answer
  • rad


52
Question
  • Which of the following is more likely to cause subglottic burns:


  • Moist air   or Dry air
53
Answer
  • Moist air
54
Question
  • True or False
    • The supraglottic airway is more likely to absorb heat and reduce the risk of lower airway burns.
55
Answer
  • True
56
Question
  • How would you describe the burn depth of a burn that produced pain, minor edema, and erythema?
57
Answer
  • Superficial burn (1st degree)
58
Question
  • How would you describe the burn depth of a burn that produced waxy or mottled skin with or without blisters?
59
Answer
  • Partial thickness burn (2nd degree)
60
Question
  • How would you describe the burn depth of a burn that produced injury to the epidermis and dermis layers of the skin?
61
Answer
  • Partial thickness burn (2nd degree)
62
Question
  • True or False
    • A sunburn can produce a superficial or partial thickness thermal burn?
63
Answer
  • False
    •   Although a sunburn can cause a superficial or even partial thickness burn, it is not a thermal burn.  It is a radiation burn from UV radiation.
64
Question
  • How would you describe the burn depth of a burn that produced injury to the epidermis only?
65
Answer
  • Superficial burn (1st degree)
66
Question
  • How would you describe the burn depth of a burn that produced eschar?
67
Answer
  • Full thickness (3rd degree)
68
Question
  • How would you describe the burn depth of a burn that produced white or black colored skin and have a dry, leather like experience?
69
Answer
  • Full thickness (3rd degree)
70
Question
  • According to the Rule of Nines, an adult’s entire head is what percent of his body surface area?
71
Answer
  • 9%
72
Question
  • According to the Rule of Nines, an infant’s entire head is what percent of his body surface area?
73
Answer
  • 18%
74
Question
  • According to the Rule of Nines, an adult with burns to his entire anterior chest and the anterior surface of his right arm has burned what percent of his body surface area?
75
Answer
  • 13.5%
76
Question
  • According to the Rule of Nines, an adult’s entire left arm and left leg as well as the left side of his chest, abdomen, back and flank, has burned what percent of his body surface area?
77
Answer
  • 45%
78
Question
  • According to the Rule of Nines, an infant that has spilled hot water and burned the anterior surface of his left leg, has burned what percent of his body surface area?
79
Answer
  • 6.5 to 7%
80
Question
  • What is the best initial treatment to avoid hyperkalemic complications with large thermal burns?
81
Answer
  • Careful ECG monitoring and appropriate fluid resuscitation.  (In rare cases of severe hyperkalemia Sodium bicarbonate may be used)
82
Question
  • True or False:
  • If the burn is extensive, uncontrolled body heat loss induces rapid and severe hypothermia.
83
Answer
  • True
84
Question
  • True or False:
  • With massive shift of fluid to the interstitial space, the body’s ability to regulate sodium, potassium, and other electrolytes becomes overwhelmed.
85
Answer
  • True
86
Question
  • Minor, Moderate, or Critical
    • 35% BSA partial thickness burns


87
Answer
  • Critical
88
Question
  • Minor, Moderate, or Critical
    • 90% BSA Superficial Burns
89
Answer
  • Moderate
90
Question
  • Minor, Moderate, or Critical
    • 5% BSA Partial Thickness Burns
91
Answer
  • Minor
92
Question
  • Minor, Moderate, or Critical
    • Patient with a raspy voice
93
Answer
  • Critical
94
Question
  • Minor, Moderate, or Critical
    • Full Thickness burn to the genitalia
95
Answer
  • Critical
96
Question
  • What is the Parkland Burn Formula?
97
Answer
  • It is used to calculate the amount of intravenous fluid that should be provided in the first 24 hours?


    • (BSA) x (kg) x (4 mL/kg) = fluid in first 24 hours
98
Question
  • Half of the fluid calculated in the Parkland Burn Formula should be administered in the first ____ hours.
99
Answer
  • 8
100
Question
  • How much fluid should be administered to a 100 kg burn victim with a 20% BSA in the first 8 hours?
101
Answer
  • 4 Liters
102
Question
  • You have a patient that was removed from a structure fire whit dyspnea and AMS experiencing grand mal seizures.  What is the cause of his condition?
103
Answer
  • Cyanide toxicity
104
Question
  • What is the amount of fentanyl you should initially administer to a patient in severe pain secondary to a burn?
105
Answer
  • 25 to 50 mg
106
Question
  • What medications should be used in the treatment of cyanide toxicity?
107
Answer
  • Amyl nitrite (ampule crushed and inhaled)
  • Sodium nitrite (300mg IVP)
  • Sodium thiosulfate (12.5g IVP)
108
Question
  • When should amyl nitrite be administered over sodium nitrite in cases of cyanide toxicity?
109
Answer
  • When IV access is not available
110
Question
  • True or False
    • You should perform 2 minutes of CPR prior to defibrillating a lightening strike victim with an unknown down time in ventricular fibrillation.
111
Answer
  • False
    • Victims of electrocutions should be defibrillated immediately if still in VF or pulseless VT.
112
Question
  • What should be used to remove phenol from the skin prior to flushing with cool water?
113
Answer
  • alcohol
114
Question
  • What metal reacts violently with water and  should be coated with oil if on your patient’s skin?
115
Answer
  • Sodium
116
Question
  • What is a strong corrosive substance that reacts with water and should be brushed off prior to flushing with copious amounts of water?
117
Answer
  • Dry lime
118
Question
  • What 3 basic treatments should be performed for all burns?
119
Answer
  • Stop the burning process if needed
  • Cover with a dry, sterile dressing
  • Keep your patient warm
120
Question
  • Your patient is experiencing airway burns due to inhalation injury.  You elect to perform RSI to protect the patient’s airway.  Which paralytic should you use with caution, if at all, because it may worsen hyperkalemia?
121
Answer
  • succinylcholine