LEC 1.2 (BURNS) Flashcards
Most common cause of burns for Children (1-5 years)
A. Accidents from hot liquids
B. Scalds from hot liquids
C. Fires in homes and structural dwellings
D. Inhalation injury
B
Most common cause of burns for Adolescent and adults
A. Accidents from hot liquids
B. Scalds from hot liquids
C. Fires in homes and structural dwellings
D. Inhalation injury
A
Leading cause of burns in other age groups
A. Accidents from hot liquids
B. Scalds from hot liquids
C. Fires in homes and structural dwellings
D. Inhalation injury
C
Common cause of death
A. Accidents from hot liquids
B. Scalds from hot liquids
C. Fires in homes and structural dwellings
D. Inhalation injury
D
Males between 16-40 have the highest injury (T/F)
T
SLIDE 4-5
-
RISK FACTORS OF FIRE
-Occupations that increase exposure to fire
-Poverty, overcrowding, and lack of safety measures
-Placement of young girls in household roles such as
cooking and care of small children
-Underlying medical conditions including epilepsy,
peripheral neurophathies, physical and cognitive
disabilities
-Alcohol abuse and smoking
-Easy access for chemicals used for assault (such as
acid violence attacks)
-Use of kerosene as a fuel source for non-electric
domestic appliances
-Inadequate safety measures for liquefied petroleum gas and electricity
SLIDE 8-12
-
Largest organ
Skin
Functions of the skin:
-Protective shield against heat, light, injury, and
infection
-Regulation of body temperature
-Storage of water and fat
-Prevents entry of bacteria
SLIDE 14
-
Surface or outer layer; also serves as a barrier between our body and the environment
Epidermis
Layers of the Epidermis:
Stratum Corneum
Stratum Lucidum
Stratum Granulosum
Stratum Spinosum
Stratum Germinativum/Basale
SLIDE 16
-
Layer of the skin beneath the dermis
Dermis
How many times does the Dermis thicker
A. 10-20
B. 20-30
C. 30-40
D. 40-50
B
The dermis contains DERMAL appendages (T/F)
F, EPIDERMAL
The dermis is comprised mainly of ____ and _____
fibers
interwoven collagen
elastin
TWO LAYERS OF DERMIS
PAPILLARY AND RETICULAR
KRAUSE END BULB
A. Pain & itch
B. Touch
C. Warm Receptors
D. Cold Receptors
E. Pressure and Vibration
D
MERKEL’S DISKS
A. Pain & itch
B. Touch
C. Warm Receptors
D. Cold Receptors
E. Pressure and Vibration
B
PACINIAN CORPUSCLES
A. Pain & itch
B. Touch
C. Warm Receptors
D. Cold Receptors
E. Pressure and Vibration
E
FREE NERVE ENDINGS
A. Pain & itch
B. Touch
C. Warm Receptors
D. Cold Receptors
E. Pressure and Vibration
A
RUFFINI’S ENDINGS
A. Pain & itch
B. Touch
C. Warm Receptors
D. Cold Receptors
E. Pressure and Vibration
C
MEISSNER’S CORPUSCLES
A. Pain & itch
B. Touch
C. Warm Receptors
D. Cold Receptors
E. Pressure and Vibration
B
FREE NERVE ENDINGS
A. Epidermis and Dermis
B. Epidermis (Stratum
Spinosum)
C. Papillary Dermis
D. Reticular Dermis
A
RUFFINI’S ENDINGS
A. Epidermis and Dermis
B. Epidermis (Stratum
Spinosum)
C. Papillary Dermis
D. Reticular Dermis
C
KRAUSE END BULB
A. Epidermis and Dermis
B. Epidermis (Stratum
Spinosum)
C. Papillary Dermis
D. Reticular Dermis
C
MERKEL’S DISKS
A. Epidermis and Dermis
B. Epidermis (Stratum
Spinosum)
C. Papillary Dermis
D. Reticular Dermis
B
PACINIAN CORPUSCLES
A. Epidermis and Dermis
B. Epidermis (Stratum
Spinosum)
C. Papillary Dermis
D. Reticular Dermis
D
MEISSNER’S CORPUSCLES
A. Epidermis and Dermis
B. Epidermis (Stratum
Spinosum)
C. Papillary Dermis
D. Reticular Dermis
C
SLIDE 20
-
Lies below the dermis
It consists of loose connective tissue and elastin
Hypodermis/Subdermis
WATER serves as padding and insulation for the body (t/f)
F; FAT
MOI OF BURNS
Alteration of vascular integrity → Edema → LOM
Skin Destruction will depend on:
Temperature
Length of Time
Type of Insult (Flame, liquid, chemical, electrical)
Extremes of age
*THERMAL BURNS
A. Scalds
B. Flames
- Spilling hot drinks/liquid, hot water in baths
- 50% of adult burns
- Inhalation and concomitant trauma
- Cause superficial to superficial dermal burns
- 70% of burns in children
- Deep or full thickness
- A
- B
- B
- A
- A
- B
-The depth of heat injury depends on the degree of
heat exposure and depth of heat penetration
-Deep dermal or full thickness
Contact
SLIDE 25 PIC
-
Most devastating type of burn
Electrical burn
An electric current will travel through the body from
one point to another, creating “_____” or “_____” points
entry/exit
Electrical burns vary according to:
Type of current
Intensity of the current
Area of the body that the current passes through
SLIDE 27 PIC
-
Ranking of the electrical resistance of various tissues
(Most Resistant to Least Resistant)
a. Bone
b. Cartilage
c. Tendon
d. Skin
e. Muscle
f. Blood
g. Nerve
Two types of electrical burns
Low voltage E.B.
High voltage E.B.
A. Low voltage E.B.
B. High voltage E.B
- Greater than 1000volts
- Apnea, deep tissue destruction, renal failure
- Exposure to 500-1000 volts of current
- True/Flash
- VFib
- B
- B
- A
- B
- A
SLIDE 30
-
MECHNAICAL burns cause extensive muscle and soft tissue necrosis often
result in amputation (T/F)
F; Electrical
UE most common, (R) UE for electrical burns (T/F)
T
At high voltage, PNS and CNS problems may not be present initially but may occur late after (T/F)
T
Electrical burns d/t Lightning
-Myelopathy
-Sensorineural and Mechanical hearing loss
Electrical burns d/t Ocular complications
-Cataracts
-Macular holes
SLIDE 33
-
SLIDE 34
-
Electrical burns d/t Cardiac manifestations
-Immediate cardiac arrest
-Pseudo infarction
-Myocardial ischemia without necrosis
-Dysrhythmia
-Conduction abnormalities
-Acute hypertension
-Nonspecific ECG abnormalities
-Sinus tachycardia
Electrical burns d/t Other manifestations
-Diaphragm paralysis
-Inhibition of the breathing centers in the midbrain
-Extensive fluid loss
-Loss of consciousness
-Impaired recall and PTSD
-Blood clotting
-Compartment syndrome
-Rhabdomyolysis
Burn usually as a result of an industrial accident
Chemical burn
May occur with household chemical products
Chemical burn
For chemical burns:
_____ products > _____ products
Alkali; acidic
-Classified as carbon monoxide poisoning, heat, or
smoke inhalation injuries
-Account for more than half of the burn related deaths
per year
-One of the leading causes of death
Inhalation Injuries
Signs of inhalation injuries:
-Facial burn
-Singed nasal burn
-Harsh cough
-Hoarseness
-Abnormal breath sounds
-Respiratory distress
-Carbonaceous sputum
-Hypoxemia
SLIDE 41
-
A. Zone of coagulation
B. Zone of stasis
C. Zone of Hyperemia
- Occurs at the point of maximum damage
- Goal: Increase perfusion
- Irreversible tissue loss
- Outermost zone
- Decreased tissue perfusion
- Tissue will recover unless there is severe sepsis
- A
- B
- A
- C
- B
- C
SLIDE 43
-
SLIDE 44
-
-Superficial injury
-Epidermis
-Red and sometimes painful
FIRST DEGREE (OLD CLASSIF)
-Epidermis and parts of the dermis
-Skin may be red and blistered and swollen
-Very painful
SECOND DEGREE (OLD CLASSIF)
-Epidermis and dermis
-Whitish, charred or translucent
-No pin prick sensation on burned area
THIRD DEGREE (OLD CLASSIF)
-Deep and potentially life-threatening
-Extend into skin and underlying tissues
FOIURTH DEGREE (OLD CLASSIF)
Min. edema
A. Epidermal
B. Superficial Partial thickness Burns
C. Deep Partial thickness Burns
D. Full thickness burns
E. Subdermal Burns
A
DRY
A. Epidermal
B. Superficial Partial thickness Burns
C. Deep Partial thickness Burns
D. Full thickness burns
E. Subdermal Burns
A