Integumentary System Flashcards
(89 cards)
Inflammatory Phase
1-10 Days
Platelet, clotting, remove debris and necrotic, kill bacteria
Establish clean wound bed signals tissue restoration
Epithelialization within 24 hours
Visible healing after 3 days
Superficial Wound
Epidermis intact
Proliferation Phase
3-21 Days
Formation of new tissue signals capillary buds and granulation in wound bed
Collagen matrix forms
Wound closure through epithelialization and wound contraction
Maturation Phase
7 Days - 2 Years
Remodeling phase when granulation and epithelial differentiation in wound bed
Fiber reorganization and contraction thin and shrink scar
Immature scar: red, raised, rigid
Mature scar: pale, flat, pliable
Repaired Tissue Strength
Newly repaired: 15% pre-injury tensile strength
Fully repaired: 80% pre-injury tensile strength
Scar Tissue Characteristics
Immature scar: red, raised, rigid
Mature scar: pale, flat, pliable
Burn Healing Duration
Burn: 4-8 weeks
Burn with hypertrophic scarring: up to 2 years
Primary Intention
Acute, minimal tissue loss
Smooth, clean edges reapproximated and closed via sutures, staples, or adhesives
Minimal scarring, heals quickly
Secondary Intention
Wounds close naturally without superficial closure
Significant tissue loss or necrosis
Irregular or no viable wound margins that cannot be reapproximated
Infection or debris contamination
Associated with: DM, ischemic conditions, pressure damage, inflammatory disease
Closure by wound contraction and scars formation
Ongoing wound care and significantly larger scars
Tertiary Intention
Delayed primary intention healing
Sepsis or dehiscence
Temporarily left open until edema/contamination gone and infection or vascular integrity risk is gone
Then closed by primary intention
Partial-Thickness Wound
Extends through epidermis and possibly into, but not through, the dermis
Full-Thickness Wound
Through the dermis into deeper structures such as subcutaneous fat
Subcutaneous Wound
Extends through integumentary tissues, involving deeper structures such as subcutaneous fat, muscle, tendon, or bone
Serous
Clear, light color and thin, watery consistency
Normal - inflammatory and proliferation phases
Sanguineous
Red color and thin, watery consistency
Presence of blood which may become brown if dehydrated
New blood vessel growth or blood vessel disruption
Serosanguineous
Light red or pink color and thin, watery consistency
Normal - inflammatory and proliferative phases
Seropurulent
Cloudy or opaque with yellow or tan color and thin, watery consistency
Early warning sign of infection
Abnormal
Purulent
Yellow or green color and thick, viscous consistency
Wound infection
Abnormal
Stage I Pressure Ulcer
Non-blanchable redness
Dark pigment: local coloration different from surrounding area
May be painful, firm, soft, warmer, or cooler
Stage II Pressure Ulcer
Partial-thickness tissue loss of dermis
Shallow open ulcer with red or pink wound bed
Intact or ruptured serum-filled blister
Shiny or dry shallow ulcer without slough or bruising
Stage III Pressure Ulcer
Full-thickness tissue loss
Subcutaneous fat may be visible but bone, muscle, and tendon not exposed
Slough possible but does not obscure depth of tissue loss
Undermining and tunneling possible
Stage IV Pressure Ulcer
Full-thickness tissue loss with exposed bone, tendon, or muscle visible
Slough or escar on some parts
Undermining and tunneling
Suspected Deep Tissue Injury Pressure Ulcer
Purple or maroon localized areas of intact skin or blood-filled blister
Tissue painful, firm, mushy, boggy, warmer, or cooler
Evolution: thin blister over dark wound bed - covered by thin escar - rapid
Unstageable Pressure Ulcer
Full-thickness tissue loss with base covered by slough and/or escar
Stable escar on heels serves as body’s natural (biological) cover and should not be removed
Stable: dry, adherent, intact without erythema or fluctuating appearance