Quiz 3

Front 1

Ankle-brachial index

Back 1

indirect measure of peripheral perfusion, calculated as the systolic pressure of the ankle divided by the systolic pressure of the brachium. Normally .9-1.1

Front 2

Arterial insufficiency

Back 2

decreased arterial blood supply, most commonly due to arteriosclerosis

Front 3

Arteriography

Back 3

invasive procedure in which radioactive dye is used to assess blood flow

Front 4

Arteriosclerosis

Back 4

general term for thickening and hardening of arterial walls

Front 5

Atherosclerosis

Back 5

systemic, degenerative process in which the arterial lumen is gradually encroached upon by plaque formation

Front 6

Bottoming out

Back 6

occurs when there is less than 3/4 to 1 inch of support material between the patient and support surface

Front 7

Calf muscle pump

Back 7

pressure changes within the venous system in which muscle contraction forces blood proximaly

Front 8

Capillary closing pressure

Back 8

amount of external pressure that must be applied to prohibit capillary blood flow, generally 13-32 mmHg

Front 9

Capillary refill

Back 9

indicator of surface blood flow. Normally less than 3 seconds

Front 10

Cellulitis

Back 10

inflammation of connective tissue; infection in, or close to, the skin

Front 11

Compression garment

Back 11

custom or off-the-shelf compression sleeve for venous insufficiency, lymphedema, or burn scar management

Front 12

Deep veins

Back 12

located within muscles, roughly parallel arterial system

Front 13

Dermatitis

Back 13

inflammation of the skin associated with itching, redness, and open lesions

Front 14

Fibrin cuff theory

Back 14

Theory that venous insufficiency ulcers are due to the development of fibrin cuffs around the capillaries

Front 15

Hand check

Back 15

method to assess for bottoming out by placing outstretched hand palm up between the support surface and the patient

Front 16

Hemosiderin deposition

Back 16

occurs when the byproduct of the breakdown of red blood cells is forced into the interstitium by venous hypertension

Front 17

Homans' sign

Back 17

Assessment technique historically used to identify a deep vein thrombosis that has since been found to be inaccurate

Front 18

Ischemia reperfusion injury

Back 18

repeated bouts of localized tissue ischemia from pressure or peripheral arterial disease and reperfusion that may cause gradual, progressive tissue damage

Front 19

Ischemic ulcers

Back 19

arterial insufficiency ulcer

Front 20

Laplace's law

Back 20

formula describing the determinants of the amount of compression exerted by a bandage

Front 21

Ligation

Back 21

Tying off ; perforating veins may be ligated to reduce hypertension in the superficial veins

Front 22

Lipodermatosclerosis

Back 22

hyperpigmentation and accompanying erythema, indruation, and plaque-like structural changes due to long-standing venous insufficiency

Front 23

Maceration

Back 23

skin that is white, friable, overhydrated and sometimes wrinkled

Front 24

Musculocutaneous flap

Back 24

surgical procudeure used to close category/stage 3 and 4 pressure ulcers by rotating a muscle and overlying tissue along with the blood supply to fill the wound defect

Front 25

Perforating veins

Back 25

veins that pierce the fascia to connect the deep and superficial venous systems

Front 26

Plethysmography

Back 26

noninvasive medical test to assess peripheral blood flow

Front 27

Pressure ulcer

Back 27

wound caused by unrelieved pressure, or combination of pressure and shear

Front 28

Pressure-reducing device

Back 28

support surface that reduces interface pressure more than a standard hospital mattress or chair surface but not below 23-32 mm Hg

Front 29

Pressure-relieving device

Back 29

support surface that constantly reduces tissue interface pressure below 23 mm Hg

Front 30

Pruritus

Back 30

severe itching

Front 31

Reactive hyperemia

Back 31

localized area of blanchable erythema

Front 32

Rubor of dependency

Back 32

test to assess arterial blood flow

Front 33

Static support surface

Back 33

nonmoving pressure-reducing device that provides cushioning and pressure distribution

Front 34

Tissue interface pressure

Back 34

the amount of pressure between a body part and support surface

Front 35

Venography

Back 35

invasive procedure in which radioactive dye is used to assess venous blood flow

Front 36

Venous hypertension

Back 36

increased backward pressure within the venous system

Front 37

Venous stasis ulcer

Back 37

ulcer caused by venous insufficiency

Front 38

Granuloma

Back 38

chronic inflammation around a foreign body

Front 39

Hydrogels

Back 39

Moisture-retentive occlusive wound dressing that is 80-99% water or glycerin based, available in sheets and as an amorphous gel

Front 40

Composite dressings

Back 40

multilayer dressings made from a combination of wound dressing categories

Front 41

moisture barriers

Back 41

substance used to protect the periwound and intact sin from excessive moisture. Some moisture barriers are also safe for use on rashes and broken skin

Front 42

primary dressing

Back 42

wound covering that comes into direct contact with the wound bed

Front 43

secondary dressing

Back 43

wound dressing placed over the primary dressing that provides increased protection, cushioning, absorption, and/or occlusion

Front 44

moisture-retentive dressings

Back 44

specialized synthetic or organic wound dressing

Front 45

hydrocolloid

Back 45

moisture-retentive occlusive wound dressing consisting of gelatin, pectin, and carboxymethylcellulose hydrophillic particles with an adhesvie backing