Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
41 Cards in this Set
- Front
- Back
|
What is the function of the dermis?
|
Strength, mechanical support, and protects
|
|
|
What intention has little tissue loss, inflammation subsides in less than 24 hrs, and resurfaces in 4 to 7 days?
|
primary intention
|
|
|
What intention has loss of tissue, fills with scar tissue, chance of infection is greater?
|
secondary intention
|
|
|
What is the loss of epidermis and partial loss of dermis?
|
partial thickness
|
|
|
What regenerates in partial thickness?
|
epidermis
|
|
|
What is wound repair when the wound extends into the dermis and perhaps beyond?
|
full thickness
|
|
|
What is thickness where deep structures do not regenerate and heal by scar?
|
full thickness
|
|
|
How long does the inflammation response occur in partial and full thickness/?
|
partial- 24 hrs
full 3 days |
|
|
What are the 3 phases of full thickness healing?
|
inflammatory phase,proliferate phase, and remodeling
|
|
|
What occurs during the inflammatory phase in full thickness?
|
-3 days
-hemostatsis -clot -leukocytes,macrophages,and fibroblasts released |
|
|
What occurs during the proliferate phase?
|
3-24 days
-granulation tissue -contracts -epithelization |
|
|
What occurs in remodeling?
|
could last a whole year
collagen scar reorganizes and strengthens whiter with less melanin |
|
|
What is when layers under structures and tissues separate?
|
dehisence
|
|
|
What is when the wound seperates and bowel or bone shows?
|
evisceration
|
|
|
What is evisceration due to?
|
Obesity and poor nutrition
|
|
|
What is a pressure ulcer?
|
Impaired skin integrity related to unrelieved, prolonged pressure
|
|
|
What are the three factors of pressure ulcers?
|
time,pressure,tissue tolerance
|
|
|
Tissues are first what in ulcers and then what?
|
hypoxic then necrotic
|
|
|
When does tissue damage occur in ulcers?
|
Capillaries occluded (16-32 mm HG
|
|
|
What is a decrease in 02?
|
hypoxia
|
|
|
What is a occluded vessel or lack of blood flow?
|
ischemia
|
|
|
What is tissue death?
|
necrosis
|
|
|
What is when the pressure is relieved and blood flow returns? Skin turns red?
|
reactive hyperemia
|
|
|
What is condition called if skin is transient?
|
can blanch in area of reactive hyperemia
|
|
|
How long can low pressure be applied before a bed bound person gets an ulcer?
|
2 hours
|
|
|
What is degrees to not let bed above to prevent shear and friction?
|
30 degrees
|
|
|
What is assessments for transient hyperemia?
|
redness after ischemia..but blanches and lasts less than 1 hour
|
|
|
What is when skin is bright pink to red and does not blanch, but lasts more than 1 hour?
|
abnormal reactive hyperemia
|
|
|
What are some indications at risk for breakdown in dark skin?
|
darker than surrounding skin, blue or purple, natural light needed, temp, turgor, induration, and sensations
|
|
|
What type of ulcer has intact skin but persistent red or blue with temp change and altered sensations?
|
stage 1
|
|
|
What type of ulcer has partial thickness which appears to be a shallow abrasion or blister?
|
stage 2
|
|
|
What ulcer has full thickness, damage or necrosis of subq tissue, to fascia?
|
stage 3
|
|
|
What ulcer has severe pain in heels, cannot be seen on surface, looks sick, feels sick, anorexic, tunnel or undermine and damages to fascia?
|
stage 4
|
|
|
6 risks for ulcers
|
-reduced risk of sensation,moisture,shear/friction/devices rubbing,impaired motor function,level of consciousness
|
|
|
In Braden score what is at risk?
|
16 0r 18
|
|
|
What is perfect score for braden and what means if score is lower?
|
23..lower score the worse the risk
|
|
|
6 areas most at risk for ulcers?
|
sacrum,heels,elbows,lateral malleoli,greater trochanter,ischial tuberosities
|
|
|
When is the only time to keep wounds dry?
|
arterial circulation problem
|
|
|
What should you be careful of if there is a problem with arterial circulation?
|
problems with tips of toes and between toes
|
|
|
How do you dress a surgical wound with primary intention?
|
apply dressing until drainage ceases, leave open to air, use gauze
|
|
|
How do you dress a surgical would with secondary intention?
|
provide moisture to wound, and assist in debridement
|
