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Special Topics 1 > Wound Care Intro > Flashcards

Wound Care Intro Flashcards

(60 cards)

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1
Q

Skin function

A 
Metabolism
Protection
Thermoregulation
Sensation
Social interaction
Skin immune system
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2
Q

Epidermis complete renew

A

Every 3-4 weeks

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3
Q

Epidermis layers

A 
Stratum consumer
Stratum lucidum
Stratum granulosum 
Stratum spinosum
Stratum basale
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4
Q

Key cells in epidermis

A

Keratinocytes
Malnocytes
Langerhans

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5
Q

Basement membrane

A

Anchors epidermis to dermis
Laminate lucida and lamina densa
Semipermeable filter which regulates transfers of nutrients and cells b/n dermis and epidermis

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6
Q

What layer affected when a blister (bulla) forms

A

Basement membrane

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7
Q

Dermis

A

2-4mm
Papillary dermis and reticular dermis
Contains elastin and collagen

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8
Q

Dermis contains

A 
Hair follicles
Sweat glands
Sebaceous glands
Blood vessels
Lymph vessels
Nerves
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9
Q

Key cells in dermis

A

Fibroblast
Lymphocytes
Macrophages
Mast cells

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10
Q

Skin pigmentation

A

Effects the appearance of skin damage

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11
Q

Primary would closure

A

Immediate

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12
Q

Delayed primary wound closure

A

Wound is temporarily left open;
Closed in 4-7 days using sutures
Closure delayed to tx local infection or contamination or to allow edema to reduce

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13
Q

Secondary wound closure

A

Closes by new tissue formation w/ subsequent contraction and/or epithelialization

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14
Q

Phases of healing

A

Hemostasis (0-3 days)
Inflammation (4-6)
Proliferation (4-24)
Remodeling (3wks to 2 years)

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15
Q

Hemostasis

A

Vasoconstriction
Platelet aggregation
Fibrin seals lymph vessels
Migration of leukocytes

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16
Q

Inflammation

A

Release of histamine
Neutrophils early
Macrophages late
Phagocytosis

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17
Q

Proliferative phase

A 
Fibroblast proliferation
Fibroplasia
Angiogenesis
Reorganization of EC matrix
Epithelialization
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18
Q

Maturation phase

A

3wks -2 years
Collagenase breaks down inappropriately oriented collagen molecules
New collagen, initially laid down in a chaotic way, becomes oriented along the lines of controls stress; has more tensile strength

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19
Q

Scar tissue strength

A

<80% as strong as original tissue

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20
Q

Chronic wound inflammation

A 
“Dirty”
Cellulitis
Odor
Escobar
Drainage
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21
Q

Chronic wound proliferation

A 
“Clean”
Granulation
Epithelialization
Contracture
Closure
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22
Q

Periwound

A 
Blanchable
Callous
Cellulitis
Dermatitis
Edema
Erythema
Infection
Ischemia
Macerated
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23
Q

Blanchable

A

Turns white w/ pressure, then color returns

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24
Q

Callous

A

Extra layers of skin

Usually due to pressure

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25
Cellulitis
``` Inflammation of tissue; presents with edema, erythema, pain, and heat, often with induration and a demarcation of the red area; usually signifies spreading infection ```
26
Dermatitis
Inflammation of the skin
27
Edema
Increased fluid in interstitial space
28
Erythema
Redness; caused by capillary hypermedia
29
Infection
Invasion and multiplication of microorganism in body tissue resulting in cellular injury
30
Ischemia
Impair blood supply
31
Macerated
Softening or sogginess of skin due to retention of excessive moisture; presents as white, moist skin
32
Wound base
``` Abscess Autolysis Contraction Dehiscence Demarcation Dermis Desiccated Epithelialization Eschar Ecchymotic Enterocutaneous fistula Friable Granulation Hypergranulation Necrosis Sinus tract Slough Undermining ```
33
Abscess
Hole or localized collection of purulent fluid; outside closes off and inside fills w/ purulent fluid
34
Autolysis
Natural, spontaneous progress of deviatlized tissue being separated from viable tissue
35
Contraction
Myofibroblast pulls would edges together, occurs in proliferative phase of wound healing
36
Dehiscence
Bursting open of a surgical incision, usually due to infection
37
Demarcation
Line b/n viable and non viable tissue
38
Desiccated
Dry dead tissue
39
Epithelialization
Part of proliferation phase of wound healing; | Characterized by new pink tissue
40
Eschar
Necrotic tissue which is tough and leathery or hard
41
Ecchymotic
Purple, damaged tissue
42
Enterocutaneous fistula
An abnormal connection b/n the intestines and skin
43
Friable
Fragile tissue that bleeds easily, used t describe unhealthy granulation tissue
44
Granulation
Beefy red tissue comprised of new blood vessels and collagen
45
Hypergranulation
Granulation tissue which forms above the level of the surrounding skin, preventing epithelial cells from growing across the wound May also describe irregular granulation tissue
46
Necrosis
Dead tissue
47
Sinus tract
A vertical or oblique narrow channel or opening that leads away from the base of the wound and may penetrate the fascia; has potential for abscess
48
Slough
Yellow, gray, or green necrotic tissue; may be viscous or fibrinous and tough; is often strongly adherent to wound base
49
Undermining
Yellow, gray, or green necrotic tissue; may be viscous or fibrinous and tough; is often strongly adherent to wound base
50
Exudate
Serosanguineous Serous Sanguineous Purulent
51
Serosanguineous exudate
Pink/yellow, thin
52
Serous exudate
Clear, watery, consistency
53
Sanguineous exudate
Bloody, red
54
Purulent exudate
Containing pus, opaque, cloudy
55
Autolysis debridement
Body’s own enzymes destroy necrotic tissue
56
Enzymatic debridement
Enzyme breaks down protein in necrotic tissue; Used primarily for slough With eschar, score prior to application
57
Mechanical debridement
Nonselective (whirlpool, pulsating lovage, wet to dry dressing, scrubbing)
58
Sharp debridement
Use of sharp instruments to debridement
59
Pairing callous
Shaving down callous at wound edges and periwound
60
Scoring eschar
Cutting perpendicular lines in necrotic tissue w/ sharp instrument to allow moisture to permeate the tissue

Special Topics 1 (12 decks)

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