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Skin

Terms in this set (46)

abscess
a collection of pus, often in the subcutaneous tissues or skin
blanch
the characteristic of a rash to turn white when pressure is applied due to a pressure induced blockage of blood flow in the superficial capillaries
hyperemia
increased blood flow to the bodily tissue, which is often red in color
hyperpigmented
more than the usual amount of pigment in the skin; darker
hypopigmented
less than the usual amount of pigment in the skin; lighter
pus
white-yellow fluid produced in response to an infection
necrosis
premature cell/tissue death
sebaceous
relating to sebum, an oily substance that lubricated and waterproofs the skin and is produced by sebaceous glands
subcutaneous
under the skin
turgor
tendency for skin to return to its orig. shape when pressed; decreased turgor is seen with dehydration in children
wheal
pale red papules or plaques that disappear within 24-48 hours
abrasion
superficial skin wound; scrape
cyanotic
blue discoloration of skin due to decreased oxygen
erythematous
redness, caused by increased blood flow to superficial capillaries in the skin
fluctuant
wave-like motion felt/seen on palpating fluid filled cavity generally indicated prescence of pus
hematoma
collection of blood outside blood vessel, generally under the skin (aka a bruise or contusion)
petechiae: small (1-2mm)
purpura: medium (3-10mm) red or purple spots
ecchymosis: large (.10mm) hematoma - a bruise
diaphoretic
excessive sweating
induration
sclerosis (hardening) of skin caused by inflammation of the skin and consequent dermal thickening
macule
a flat change in skin color 5-10mm in size
laceration
skin tear
linear: simple, straight skin tear
stellate: irregular, non linear skin tear
lesion
skin abnormality or injury
maceration
softening and whitening of the skin from being wet
papule
elevated region of skin without underlying fluid
pallor
pale colored skin due to lack of oxyhemoglobin in the skin or mucous membranes
ulcer
degradation of the epidermis to reveal other dermal or subcutaneous tissues
urticaria
hives: characteristic "wheals" often in allergic reactions
vesicles
small elevated fluid filled lesion; blister
acne vulgaris
simple acne, characterized by scaly red skin, pimples, and other dermatological anomalies
anaphylactic shock
systemic allergic reaction characterized by an itchy rash, throat swelling and hypotension
atopic dermatitis
a chronic, inflammatory, pruritic condition of the skin considered a form of eczema
cellulitis
infection of skin extending to the dermis and subcutaneous connective tissues
chicken pox
contagious rash caused by the varicella zoster virus (VSV)
chiggers
type of mite that bites the skin and causes itchy welts or pimples
contact dermatitis
itchy, patchy rash caused by irritants or allergen exposure to the skin
eczema
scaly, itchy rash that likely has some allergic component
impetigo
common and highly contagious skin infection that mainly affects infants and children. Impetigo usually appears as red sores on the face, especially around a child's nose, mouth, and on hands and feet
plantar warts
lesions on the feet due to HPV
psoriasis
autoimmune condition that affects the skin
most common form is plaque psoriasis = chronic condition that causes red and white/silver scaly patches on extensor skin surfaces (elobows and knees)
rosacea
chronic skin condition that is characterized by redness over the cheeks, nose, or forehead and other kin changes in more serious cases
ring worm (dennatophytosis)
fungal infection of skin most commonly occuring in athletes
scabies
contagious skin infection causes by a parasitic mite that currows under the skin and causes a severe allergic reaction
shingles (herpes zoster)
reaction of the chicken pox virus (adult version of it)
urticaria (hives)
most frequently, an allergic reaction of the skin characterized by raised pale red plateu due to dermal edema
debridement
removal of foreign material and damaged tissue
wound closure
use of sutures staples or a glue
-the larger the number the smaller the suture
Incision and Drainage
I&D
bedside procedure used to drain pus from an abscess
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