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Critical Care Med Surg > Burn Notes > Flashcards

Burn Notes Flashcards

1
Q

Superficial partial-thickness burn signs & symptoms

A 
erythema (redness)
blanching on pressure (whitens with applied pressure)
pain
mild swelling
can blister and peel after 24 hours
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2
Q

Superficial partial-thickness burn involved structures

A

epidermis

Epithelization (Skin growth) can occur

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3
Q

Deep partial-thickness burn signs & symptoms

A

blisters
severe pain due to nerve damage or death
mild to moderate edema

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4
Q

Deep partial-thickness burn involved structure

A

Epidermis and dermis

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5
Q

Full-thickness burn signs & symptoms

A 
Leathery skin that can be dry or waxy
You can see burst vessels
Visible tendons, fat, muscles and bones
No pain due to nerve death
Possible skin necrosis
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6
Q

Full-thickness burn involved structures

A

Destroyed skin & local nerves

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7
Q

Who are the high risk factors of burns?

A

Children younger than 4 and adults over 65.

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8
Q

What are the types of burn injuries?

A 
Thermal - most common
Chemical 
Electrical 
Smoke inhalation - most deadly
Cold Thermal
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9
Q

How do you determine the severity of burns?

A

Rule of Nines - initial assessment

Lund-Browder chart - more accurate

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10
Q

Rule of Nine: Give the parts and their percentage

A 
Head - 9%, 4.5 each for front and back
Trunk (includes chest, back, and butt) - 36%, 18 each for front and back 
Arm - 9%, 4.5 each for front and back
Perineal - 1%
Leg - 18%, 9 each for front and back
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11
Q

Lund-Browder: Give the parts and percentage

A 
Face- 3.5
Back of head - 3.5
Front Neck - 1
Back of Neck - 1
Chest- 13
Back- 13
Shoulder & Upper Arm- 2
Lower Arm- 1.5
Wrist and Palm- 1.5
Perineal- 1
Butt- 2.5 each buttcheek
Upper leg- 4.75 
Lower leg- 3.5
Ankle and feet - 1.75
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12
Q

How do you prevent hypothermia for large burns?

A

Do not cool for more than 10 min.
Do not soak
Do not cover with ice

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13
Q

How do you care for a patient with burns for prehospitalization?

A

Ensure ABCs
Provide 100% Humidified O2
Remove clothing gently
Wash chemical burns with water for 20 min to 2 hours
Wrap burned area with clean sheet or dry blanket to prevent infection

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14
Q

Tissue destruction can occur for how many hours after burn exposure?

A

72 hours

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15
Q

What are the phases of burn management?

A

Emergent
Acute (Wound Healing)
Rehabilitative

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16
Q

What are the main concerns in emergent phase?

A

Hypovolemic shock and edema formation

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17
Q

Fluid & Electrolyte shifts in Emergent phase

A

Water, Electrolyte and proteins move into interstitial spaces due to increased capillary permeability.
Protein pressure within blood stream (Colloidal osmotic pressure) decreases.
Third spacing occurs
RBCs are depleted but high Hct is shown due to hemoconcentration
Potassium shifts first, then sodium

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18
Q

Hypovolemic shock signs & symptoms

A

Decreased BP and increased HR

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19
Q

What signifies the end of emergent phase?

A

Diuresis and urine has low specific gravity

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20
Q

C/M of Emergent phase

A

Evidence of partial or full thickness burns (pain, blister formation, etc.)
Paralytic ileus (absent bowel sounds)
Shivering
Unconsciousness or altered mental status due to hypoxia

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21
Q

What three major organ systems are susceptible for complications during the Emergent phase?

A

Cardiovascular
Respiratory
Renal

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22
Q

Cardiovascular complications in Emergent phase

A

Dysrhythmias
Hypovolemic shock
Impaired circulation - sludging (poor circulation in capillaries)
Venous thromboembolism (VTE)

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23
Q

Respiratory complications in Emergent phase

A 
Pneumonia (PNA) - leading cause of death
Upper Airway injury
Lower Airway injury
Metabolic Aphyxiation
Respiratory distress
Pulmonary Edema
Sputum has carbon
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24
Q

Signs & Symptoms of Respiratory Distress

A

Increased agitation
Restlessness
Abnormal breathing patterns: tachypnea or bradypnea

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25
Q

Urinary complications in Emergent phase

A

Myoglobinuria
Acute Kidney Injury (AKI)
Acute Tubular Necrosis (ATN)
RBC breakdown

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26
Q

What is the “Iceberg effect” of electrical burns?

A

More damage in the skin than what is shown.

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27
Q

List in order of priority for Nursing management in Emergent phase.

A 
ABC
Fluid therapy 
Wound Care
Manage pain
Nutrition therapy
Rehab with PT or OT
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28
Q

How do you manage airway?

A

Intubate- especially with facial and neck burn
Escharotomy of chest wall - especially with neck and chest burns
Fiberoptic bronchoscopy - 6-12 hours after injury to check lower airway
Humidified air 100% oxygen - CO posioning
High Fowlers - reposition every 2 hours
deep breathing and coughing
PEEP (positive end-expiratory pressure)
Monitor CO with SpCO2 device

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29
Q

Parkland Formula

A

It is used for fluid replacement therapy for first 24 hours.
4ml LR x wt in kg x TBSA (%body burn)

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30
Q

What is the application of the parkland formula?

A

1/2 total volume first 8 hours
1/4 total volume second 8 hours
1/4 total volume third 8 hours

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31
Q

How do you evaluate fluid resuscitation?

A

Monitor urine output hourly

Monitor MAP - MAP > 65mmgHg, systolic > 90mmHg, HR 60-100bpm.

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32
Q

Open Method

A

used for facial burns.
Topical antimicrobial agents
No dressing over wound

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33
Q

Multiple Dressing Changes or Closed Method

A

Has dressing over wound that is changed every 12 hours to 14 days.

34
Q

What is a temporary skin coverage for patients with major burns?

A

Allograft or homograft from cadavers

35
Q

What cream do they apply on dressings during wound care?

A

Silver Sulfadiazine cream

36
Q

Why can’t patient with ear burns have pillows near their ears?

A

Prevent chondritis and infection.

37
Q

Nursing management for ear and neck burns?

A

Keep rolled towel underneath the shoulders to raise head.

38
Q

Why should you give pain medications IV?

A

Onset of action is faster.
IM injections can cause a medication pooling in the tissues, leading to a potential overdose.
Oral drugs can’t be absorbed rapidly due to paralytic ileus and GI function is slow.

39
Q

What are common pain medications? When should you administer it?

A

Morphine & Dilaudid - drug of choice
Fentanyl, oxycodone
Around the clock, and before dressing changes.

40
Q

What immunization is important for burn patients to have?

A

Tetanus immunization to prevent infection.

All burn patients needs it.

41
Q

What is the beginning rate that of enteral feedings for burn patients?

A

20-40 ml/hr and will increase in the next 24-48 hours.

42
Q

Hypermetabolic state

A

Your body is consuming 50-100% more calories in your resting state. This is true for patients with major burns (>50% TBSA).

43
Q

Fluid and Electrolyte shifts in Acute Phase

A

Fluids and Electrolytes are going back to “normal” but still needs to be monitored.
Potassium and Sodium changes can occur.

44
Q

C/M of Acute Phase

A

Partial-thickness burns start to form eschar and heal
Full-thickness burns needs skin graft
Normal Bowel sounds

45
Q

Hyponatremia and management

A

occurs due to diarrhea and suctioning
Dilutional hyponatremia can occur due to too much water in system.
Offer drinks with electrolytes (juice, Gatorade, etc.)

46
Q

Hypernatremia and management

A

occurs due to excess amounts of hypertonic fluids.

Sodium restriction may be needed during feedings.

47
Q

Hypokalemia and management

A

Potassium is lost due to patient’s wounds, vomiting, diarrhea, suctioning, and no potassium supplements.
Give potassium supplements

48
Q

Hyperkalemia and management

A

Occurs with renal insufficiency, adrenocortical insufficiency, and deep massive tissue injury (electrical burns).
Treat the cause.

49
Q

What are some complications of the acute phase?

A 
Infection
Delirium 
Electrolyte imbalance
Cerebral Edema
Joint contractures
Curling's ulcer
Hyperglycemia
Same cardiovascular and respiratory complications can occur
50
Q

Curling’s ulcer

A

GI ulcer due to increased stomach acids and low blood flow.

51
Q

Treatment of Curling’s ulcer

A 
Let the patient eat ASAP
Proton Pump Inhibitors
Antacids
H2-histamine blockers
Monitor for bleeding
52
Q

Wound Care

A

Prevent infection via cleansing and debridement

Promote skin growth or successful skin grafting

53
Q

Blebs

A

Occurs in facial grafts

Exudate that prevents wound bed and graft from sticking together

54
Q

Excision and grafting

A

Removal of damaged tissue and applying skin grafts

55
Q

Types of skin grafts

A

Autograft
Cultured Epithelial Autograft (CEA)
Integra Artificial skin
Allograft (AlloDerm)

56
Q

Autograft

A

From patient’s own skin in an unburned area using a dermatome.

57
Q

Donor site care

A

Promote wound healing
Prevent infection
Decrease pain

58
Q

Cultured Epithelial Autograft (CEA)

A

using patient’s own skin from biopsies to make new skin.

59
Q

Integra Artificial skin

A

synthetic dermis good for reconstructive burn surgery

60
Q

2 kinds of pain for burn patients

A

continuous background pain

treatment-induced pain

61
Q

PT and OT management

A

Do exercises during dressing changes
Do passive and active ROM on all joints
Proper positioning and splinting if necessary

62
Q

What type of diet is needed for burn patients?

A

high carbohydrate, high protein

63
Q

What should you do once a patient is off a mechanical ventilator or extubated?

A

Get a speech pathologist to assess swallowing before giving food.

64
Q

Goals of Rehabilitation phase

A

To allow patient to function in society

To help with functional and cosmetic postburn reconstructive surgery

65
Q

C/M of Rehabilitation phase

A

Skin color is no longer red or pink but a lighter hue compared to surrounding tissue.
Color may not completely return for people of color
Scarring is present with discoloration and raised contours
Itching on healing areas
Flaky skin
Hypersensitivity to temperature and touch

66
Q

Most common complication that can occur during Rehabilitation phase

A

Joint Contracture

67
Q

How can you prevent joint contractures?

A

Proper positioning & splinting
Exercises until skin matures
Burned extremities could be wrapped with elastic bandages and gauze

68
Q

Discharge teaching

A

Proper dressing changes
One shower daily using warm soap and water to clean wounds
When to contact burn team (infection, increased pain, etc.)
Water-based cream to help with itchiness and flaky skin
Sun protection
Keep PT and OT routines

69
Q

Older patient considerations

A

Take longer time to heal
Increased risk for injury
High risk for complications during emergent and acute phase to occur

70
Q

Thermal burn Interventions

A

Assess and monitor ABC’s
Assess for inhalation injury
Give 100% humidified O2 PRN
Anticipate ET tube and mechanical ventilation especially for neck and chest burns
Monitor v/s, LOC, respiratory status, O2 saturation and heart rhythm.
Remove nonadherent clothing, shoes, watches, jewelry, glasses, or contact lenses.
Establish IV access with 2 large bore catheters.
Begin fluid replacement therapy.
Insert urinary catheter
Elevate limbs above heart
Give IV analgesia and assess effectiveness frequently
Identify and treat other injuries.

71
Q

Electrical burn Assessment

A 
Burn odor
Cardiac arrest
Depth and extent of wound difficult to see-Assume injury is greater than what is seen
Decreased peripheral circulation in injured extremity
Dysrhythmias
Fracture or dislocations from force of current
Impaired touch sensation
Leathery, white or charred skin
Location of contact points
LOC
Minimal or absent pain 
Neck or head injury if fall occurred
Thermal burns if clothing ignites
72
Q

Electrical burn Interventions

A

Remove patient from electrical source while protecting rescuer.
Assess ABCs
Provide supplemental 100% humidified O2
Monitor v/s, heart rhythm, LOC, respiratory status and O2 sat
Remove nonadherent clothing, shoes, watches, jewelries, glasses or contact lenses.
Cover burned areas with dry dressings or clean sheet
Establish IV and start fluid replacement therapy
Identify entrance and exit wounds
Obtain ABGs
Insert urine catheter
Elevate limbs above heart
Give IV analgesia and assess effectiveness frequently
Identify and treat other injuries.
Monitor for myoglobinuria and hemoglobinuria
Anticipate possible administration of NAHCO3 to alkalize urine and maintain ph.

73
Q

Chemical burn Assessment

A 
Burning
Decreased muscle coordination
Discoloration of injured skin
Edema of surrounding tissue
Localized pain
Paralysis, redness, swelling of injured tissue
Respiratory distress if chemical inhaled
Tissue destruction continuing up to 72 hours.
74
Q

Chemical burn Interventions

A

Assess ABC
Provide supplemental 100% humidified O2
Brush dry chemical off skin before irrigation
Remove nonadherent clothing, shoes, watches, jewelries, glasses or contact lenses.
Flush chemical from wound and surrounding area with copious amounts of saline solution or water
For chemical burn of eyes, flush from inner to outer corner of eye with water or LR
Cover burned areas with dry dressings or clean sheet
Establish IV access with 2 large bore catheters
Start fluid replacement therapy
Insert urine catheter
Elevate limbs above heart
Give IV analgesia and assess effectiveness frequently
Contact poison control center
Consider impact of identified chemical and treat accordingly
Monitor pH of eye

75
Q

Inhalation injury Assessment

A 
Altered mental status, including confusion, coma
Carbonaceous sputum
Cherry-red skin color (CO levels >20%)
Coughing
Darkened oral or nasal membranes
Decreased O2 saturation
Difficulty swallowing 
Dysrhythmias
Increasing hoarseness
Irritation of upper airways or burning pain in throat or chest
Productive cough with black, gray or bloody sputum
Rapid, shallow respirations
Restlessness, anxiety
Singed nasal or facial hair 
Smoky breath
76
Q

Inhalation injury Interventions

A

Assess and monitor ABC’s
Assess for concurrent thermal burns
Give 100% humidified O2 PRN
Anticipate ET tube and mechanical ventilation especially for neck and chest burns
Monitor v/s, LOC, respiratory status, O2 saturation and heart rhythm.
Obtain ABGS, carboxyhemoglobin levels, and chest x-ray
Remove nonadherent clothing, shoes, watches, jewelry, glasses, or contact lenses.
Establish IV access with 2 large bore catheters.
Begin fluid replacement therapy.
Insert urinary catheter
Elevate limbs above heart
Give IV analgesia and assess effectiveness frequently
Identify and treat other injuries.
Cover concurrent burned areas with dry dressings or clean sheet
Anticipate need for fiberoptic bronchoscopy or intubation

77
Q

Ketorolac

A

Nonsteroidal anti-inflammatory

Relieves pain

78
Q

lorezepam (Ativan)

A

Sedative

Reduces anxiety

79
Q

Gabapentin

A

Adjuvant analgesics

Relieves pain

80
Q

hydromorphone (Dilaudid)

A

Opioid
Relieves pain
Main choice for pain

81
Q

esomeprazole (Omeprazole, Nexium)

A

GI support

Decreases stomach acid and risk for Curling’s ulcer

Critical Care Med Surg (17 decks)

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