Burns pt1 Exam 1 Flashcards
List the types of burns (5)
- Heat
- Electrical
- Friction
- Chemical
- Radiation
Depth of thermal injury related to? (3)
- Contact temperature
- Duration of contact
- Thickness of skin
Heat burns usually involve which layers of tissue?
epidermis and dermis
Name the 4 most common examples of heat burn
- Flame
- Hot liquid
- Hot solid
- Steam
Electrical energy transformed to heat when current passes through body tissue is classified as what type of burn?
Electrical Burn
Electrical Burns disrupts?
Cell membrane potential
The magnitude of electrical burn damage depends on? (3)
- Pathway of current
- Resistance to current flow
- Strength and duration of current flow
What is the major difference between electrical and thermal burns
Electrical burns often involve cardiac injury
What are friction burns?
Combo of mechanical disruption and heat generated by friction
What are the caustic reactions of chemical burns? (3)
- PH alteration
- Disruption of cell membranes
- Direct toxic effect on metabolic process
The magnitude of chemical burns are related to?
- Duration of exposure
- Nature of agent
Acid causes tissue necrosis via ______.
Alkali causes tissue necrosis via ______
- Coagulation
- Liquefaction
Radiation burns cause what type of damage?
Ionization
Radiation magntiude depends on?
- Dose and time of exposure
- Types of particles
Most common examples of radiation burns? (4)
- Sunburns
- Therapeutic radiation
- Diagnostic procedures
- Nuclear industry workers
Burns take about ____ hours to fully declare themselves
24-48