Compression
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| What are the 3 types of compression devices? | Tubigrip Long and short stretch wraps Pneumatic compression pumps
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| Which of the compression wraps do you have to meausure the circumference of the ankle before applied? | Pneumatic and profore (multiple layer dressings)
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| Compression is a type of ___, _____ force | External, mechanical
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| By increasing the amount of pressure on a body part, you are improving: | Fluid balance,Circulation,Scar tissue,Tissue healing (by reducing edema)
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| Compression prevents fluid from escaping ____ | Vasculature
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| Compression aids in the return of fluid back to ____ | Vasculature
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| Compression decreases risk of ____ for patients with venous insufficiency | ulceration
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| What is the primary clinical application of compression? | Control of peripheral edema
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| Peripheral edema can be caused by: | Vascular or lymphatic dysfunction,Local trauma and associated fluid accumulation
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| Arteries’ N pressure = | 32mmHg
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| Veins N pressure = | 15mmHg
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| ____ diffuse out of the capillary bed, while _____ go into the cap. bed | Proteins; waste products
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| When shaping a residual limb, do you use stump shapers (stump sock) for sub or acute ampuatation? | Sub acute
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| When shaping a residual limb, do you use ace wraps for sub or acute ampuatation? | Acute
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| 2 types of compression are: | Static and intermittent
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| Static= | Constant compressive forces
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| Intermittent: this gives a “____ effect” | Milking
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| May be the most beneficial type of compression | intermitten
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| Hydrostatic pressure: typically weaker or stronger inside bl vessel? | Stronger
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| Hydrostatic pressure pushes fluid out into ____ | Interstitial spaces
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| What are the determinants for hydrostatic pressure? | BP,Gravity effects,Vessel permeability,Size of veinistrations
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| Osmotic pressure: determined by ____ | Protein concentration in blood
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| How do you measure the protein concentration in a pt’s bl? | Albumin level
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| What level of albumin is too low? | 2 dL
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| osmotic pressure: Typically higher in or out of the bl vessel? | in
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| Os pressure: pulls fluid back into ____ | Capillary network
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| What 3 main things can alter Hydrostatic and Os. Pressure? | Diet,Mm contraction,Vascular dysfunction and circulatory conditions
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| mm contraction: if you have loss of function, then you lose _____ | Mm pump
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| Nml ankle pressure = | 90mmHg
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| ankle pressure with mm contraction = | 200mmHg
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| What is the primary factor for moving bl and lymphatic fluid? | Calf mm pump
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| Bl goes up, but since the valves in the veins are messed up, the bl falls right back down, this is known as what? | venous reflux?
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| When more and more bl collects in the veins, which increases the pressure of the veins = ?? | VHTN---distended veins
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| Increased pressure in communicating and superficial veins; from obstructed vessel or heredity | Varicose veins
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| Occurs when increased pressure causes RBCs to get out of tissue; skin gets really dark | Hemocidia
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| When you’re pregnant, you have an increase in ____ and ___ | Bl volume and hydrostatic pressure
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| Hardening of skin is called | Fibrosis
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| A protein rich environment leads to ____ | infection
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| Infection causes decreased ___ &___ | O2 and waste removal
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| If a pt is immobile, do you want to actively compress at all times? | Yes
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| What kind of wraps would you use for imobile pt? | Elastic or long stretch
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| If a pt is mobile, do you need a tight stretch on the LE all the time? | No
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| what kind of wrap do you use for mobile pt? | Inelastic, short stretch
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| P= NxTx4620 divided by CxW,this equation is the Law of ____ and determines | LaPlace\pressure, number of layers, tension of wrap, and width of pressure you should apply to a pt according to their limb’s circumference
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| Tubigrip applies ___ mmHg | 10-15 mmHg
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| TED hose applies ____mmHg | 18 mmHg
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| Multi-layer bandages apply ____ mmHg | 30-40mmHg
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| Should compression stockings be applied to someone is on their feet all day? | no
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| The pressure applied on a LE with a pneumatic pump:Calf= | 14
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| The pressure applied on a LE with a pneumatic pump:Knee= | 8
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| The pressure applied on a LE with a pneumatic pump:Lower thigh= | 10
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| The pressure applied on a LE with a pneumatic pump:Upper thigh= | 8
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| How much pressure should healthy everyday ppl that are on their feet all day wear? | 20-25mm Hg
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| What do you do before you apply compression? | Check for adequate bl flow to extremity
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| Tx time for intermitten compression usu: | 1-4 hrs,3 x wk,up to twice a day
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| Whats best to incorporate during intermitten compression tx? | Gravity(elevate legs)Prior:Inspect skin,During:Check BP,Post tx:Re-inspect skin, re-measure girth of extremity, check BP, apply other compression
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| How high should the compression pressure be for the pt? | 20 mmHg below diastolic
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| The pressure applied on a LE with a pneumatic pump:Feet= | 18
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Created by:
txst fall 2008
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