Burns Flashcards
First-degree burn is ?
the most superficial. The damage is confined to the skin area known as the epidermis..
second-degree burn is
also called a partial thickness burn. It burns the epidermis and a part of the dermis, leading to a painful area that blisters
Third-degree burns or “full-thickness burns”
wreck the epidermis, the whole dermis, and sometimes the deeper layers of tissue. They do not hurt because of the loss of the nerve endings in the burned tissue.
Fourth degree-
profound damage of all layers of soft tissue , including muscles , blood vessels and bone.
What’s first degree complications after healing ?
hypopigmentation after healing .
What’s second degree complications ?
Atrophied scarring
Third and forth degree complications ?
Deformative and keloid scarring
Which more severe acid or alkaline burns ?
Alkaline , because of chemical compounds penetrating soft tissue much more easily than acids therefore damaging tissue significantly more.
What’s the acid burns complications and how it penetrate to soft tissues ?
create crust around affected area, thus creating barrier for acid itself to penetrate tissue even further .
Clinical picture of first degree burns ?
dryness, redness, soft tissue swelling and edema
Clinical picture of second degree ?
blisters , filled with plasma and hemorrhagic substance
Clinical picture of third and fourth degree ?
create black burned crusts , necrotic outer layer epidermis, which will go off after 2-3 weeks.
In oral cavity third degree burns how it manifest ?
greyish , yellowish or translucent crusts covering mucosa or exposing muscles and bones
Which structures burns can cause contracture and severe facial deformation?
Lip, alveolar process and vermillion
Why in third degree paresthesia or anesthesia Therefore pain is generally not a significant problem. Hemorrhage is usually not prsent occur ?
Cause burns reach the subcutaneous tissue and the nerve damaged and blood vessels cauterized .
Bleeding may occur during 3 week of healing