Suturing Flashcards
Wound
ocurs when the integrity of any tissue is compromised
Abrasions
scrapes, when the skin is rubbed away by friction against another rough surface
Avulsions
Occurs when an entire structure or part of it is forcibly pulled away, such as lose of a permanent tooth or an ear lobe
Contusions
result from forceful trauma
Crush wounds
when a heavy object falls onto a person, splitting the skin and shattering or tearing underlying structures
Cuts
Slicing wounds made with a sharp instrument, leaving even edges
Lacerations
separating wounds that produce ragged edges
produced by a tremendous force against the body
Missile wounds
also called velocity wounds, they are caused by an object entering the body at a high speed
Punctures
deep, narrow wounds produced by sharp objects such as nails, knives and broken glass
Phases of healing
- inflammatory phase
- proliferative phase
- maturation phase
Inflammatory phase
0-3 days
activates vasodilation leading to increased blood flow causiing heat, redness, swelling, loss of function
wound ooze may be present
phagocytosis occurs by neutrophils
Proliferative phase
3-24 days
body makes new blood vessels, which cover the surface of the wound
includes reconstruction and epithelialisation
wound becomes smaller as it heals as wound contraction occurs
Maturation phase
24-365 days
when scar tissue is formed
fibroclasts decrease in number, vascularisation decreases and the tensile strength of the wound increases
Objectives of wound dressing
reduce pain apply compression for haemorrhage or venous stasis immobilise protect the wound and surrounding tissue promote moist wound healing
Wound colours
pink - final stages of wound healing
red - granulating wound with new tissue filling deficit
yellow - contains a level of slough
black - outer layer of thick hard eschar