burns Flashcards
what is a burn?
tissue damage and cell death caused by intense heat, electricity, UV radiation, chemicals
what can UV radiation cause?
causes DNA to alter over time resulting in genetic conditions
what are the 3 types of burns?
- 1st degree burn
- 2nd degree burn
- 3rd degree burn
where layer of the skin does a 1st degree burn damage?
only epidermis
how long does it take for a 1st degree burn to heal and why?
2-3 days due to regeneration
where layer of the skin does a 2nd degree burn damage?
epidermis and upper dermis
what is the unique thing that results when having a 2nd degree burn?
blisters
what are blisters from 2nd degree burns?
separation of epidermis from dermis
what are 1st and 2nd degree burns also called?
partial thickness burns
where layer of the skin does a 3rd degree burn damage?
epidermis and dermis
why is there no pain with 3rd degree burns?
nerve endings are destroyed
is regeneration possible, if no what is the solution to 3rd degree burns?
regeneration is not possible, only fixed by skin grafting
what are 3rd degree burns also caleld?
full thickness burns
what does fluid & electrolyte imbalance of burns lead to?
dehydration leads to shutdown of kidneys and circulatory shock
what is circulatory shock?
low blood volume leads to low oxygen levels