Burns Flashcards

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1
Q

Define burns

A
  1. Tissue injury secondary to a transfer (absorption) of energy
  2. Effects depend on intensity and duration of burns
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2
Q

What is the fourth leading form of trauma?

A

Burns

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3
Q

What is the setting of the majority of burns?

A
  1. Domestic setting (cooking)
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4
Q

What is the etiology of burns?

A
  1. Global: Scald, then flame
  2. US: Flame, then scald
  3. Contact: touch a hard, hot surface
  4. Scald: touch a hot liquid
  5. Inhalation
  6. Chemical: liquid burn regardless of temperature
  7. Electrical
  8. Radiation
  9. Steam: combo between temp and hot water
  10. Flash: subset of flame
  11. Frost bite
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5
Q

Where do men and women most typically get burns?

A
  1. Men: outdoor setting, flame

2. Women: indoor setting, scald

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6
Q

How is mortality estimated for burn pts?

A
  1. Pt’s age + percentage of burn

2. Length of stay (days) = percentage of burn

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7
Q

What are the functions of the skin?

A
  1. Physical protection
  2. temp regulation
  3. Fluid regulation
  4. Sensory perception
  5. Metabolism
  6. Excretion
  7. Immunological
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8
Q

Why don’t you need immunosuppressants for transient skin grafts?

A

Immunosuppression due to skin loss

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9
Q

What is the pathophys of burns?

A
  1. fluid loss/shift
  2. Predisposition to infection
  3. Hypothermia
    4.
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10
Q

What is the most stressful trauma the body can sustain?

A

Burn

Doubles basal metabolic rate

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11
Q

What are the zones of burns?

A
  1. Zone of hyperemia: Peripheral
  2. Zone of stasis: middle
  3. Zone of coagulation: center
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12
Q

Why shouldn’t ice or cold water be put on a burn?

A

Will further damage/destroy skin

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13
Q

What are the new classifications of burn?

A
  1. Epidermal (1st)
  2. Partial thickness (2nd)
    A. Superficial
    B. Deep
  3. Full thickness (3rd)
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14
Q

What is the best way to evaluate depth of burn?

A

Clinical exam

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15
Q

What are the characteristics of an epidermal burn?

A
  1. Dry red skin, blanches with pressure
  2. Painful
  3. Heals: 3-6 days
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16
Q

What are the characteristics of a superficial partial thickness burn?

A
  1. Blister, moist red skin, weeps, detaches with rubbingblanches with pressure
  2. Painful to temperature and air
  3. Heals: 7-21 days
17
Q

What are the characteristics of a deep partial thickness burn?

A
  1. 3.
18
Q

What are the characteristics of a full thickness burn?

A
  1. white/grey/black lethary skin
  2. Painless bc nerve endings are gone
  3. Heals:
19
Q

What is the palmar method of calculating burn SA?

A
  1. Pt’s entire hand = 1%
20
Q

What is the BSA burn of an entire hand burn?

A

2.5 bc it includes the front, back, and web spaces

21
Q

What is the rule of nines for BSA burns?

A

BSA is divided up into segments that are assigned either 9 or 18%.

22
Q

Which method should be used?

A
  1. Palmar method
23
Q

What are the admission criteria for burns?

A
  1. > 10% TBSA burn (excluding superficial burn)
  2. Full thickness burn
  3. Special areas, burns, or circumstances
24
Q

What is the mneumonic for burn management?

A

MD TTIERA

  1. Mechanism
  2. Depth of burn
  3. TBSA
  4. Trauma
  5. Intubation
  6. Resuscitation
  7. Escharotomy
  8. Admission
25
Q

What labs are needed for burn pts?

A
  1. CBC
  2. CMP
  3. ABG
  4. UA
  5. CO
  6. CXR
  7. EKG
  8. S/U
  9. myoglobin
  10. eye exam
26
Q

Are abx used as prophylaxis in a burn pt?

A

NO

27
Q

What is the most popular resuscitation formula?

A

Parkland’s: 4ml LR/kg/% TBSA

1. First half over 8 hrs, second half over next 16 hrs

28
Q

How is resuscitation efficacy gauged?

A
  1. Urine output
    A. 1/2cc/kg/hr: 30 cc/kg
    B. if urine output is poor, increase fluid by 1/3
  2. HR
29
Q

How are blister’s managed?

A
  1. Good biological dressing
  2. Management
    A. undisturb
    b. puncture
    c. unroof and debride
  3. Factors:
    A. age
    b. size
    c. sterility
    d. interference with functionality
30
Q

Dakin’s formula equals?

A

Bleach