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dehiscence - CORRECT ANSWER-partial or total separation of (skin & tissue)
wound layers: when a wound fails to heal properly.
evisceration - CORRECT ANSWER-*total separation of wound layers*,
protrusion of visceral organs through opening
fistula - CORRECT ANSWER-abnormal passage b/w 2 organs, or an organ &
external part of body.
- trauma, infection, radiation, cancer prevent tissue from closing --> fistula
types of wounds - CORRECT ANSWER-venous, arterial, diabetic, malignant or
fungating, PI
,venous ulcer S&S - CORRECT ANSWER-- superficial & irreg. in shape
- large amount of exudate d/t edema
- pain
wound - CORRECT ANSWER-break in the continuity of body structure, caused
by violence, trauma, or surgery to tissue bodies
ex; of acute wounds - CORRECT ANSWER-surgical incisions, traumatic wounds,
lacerations, burns
ex; of chronic wounds - CORRECT ANSWER-PI, diabetic ulcers, malignant
acute wound - CORRECT ANSWER-wound that proceeds through an orderly &
timely reparative process --> sustained restoration of anatomical & functional
integrity
phases of wound healing - CORRECT ANSWER-1) inflammatory phase
2) proliferative phase
3) remodelling phase
,what's a part of the proliferative phase? - CORRECT ANSWER-proliferation,
granulation & contraction
what happens during inflammatory phase? - CORRECT ANSWER-1) hemostasis.
(vasoconstriction)
2) platelets + fibrin forms, clot formation
3) histamina, vasodilation, increased capillary permeability, erythema, swelling &
warmth
what happens day 1-3 inflammatory phase? - CORRECT ANSWER-neutrophils
released to injury site, phagocytosis of debris beings.
what happens during day 3-24 of proliferative phase? - CORRECT ANSWER-1)
granulation tissue appears in wound
2) contraction of wound edges
3) resurfacing by epithelialization --> dermal regen.
4) vascular bed reestablished
what happens during day 24-2 yrs of remodelling phase? - CORRECT ANSWER-
1) collagen fibers reorganize & remodel
, 2) permanent scar
3) attains 80% of original strength
Primary intention healing - CORRECT ANSWER-wound that is closed by suture
or wound closers & healing occurs by collagen synthesis; lower risk of infection,
and heals quickly w/ minimal scarring.
secondary intention healing - CORRECT ANSWER-wound edges are not
approximated. heals by granulation tissue formation, wound contraction &
epithelialization.
has a prolonged phase of inflammation due to increased time needed for
phagocytosis of necrotic tissue.
tertiary intention healing - CORRECT ANSWER-wound is left open for several
days as it could be contaminated. has an increased risk of infection, so closure of
wound is done later until risk of infection is resolved.
why is the wound kept open for tertiary healing? - CORRECT ANSWER-to allow
exudate to drain, prevent the spread of deep infection & aiding granulation.