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545 > hot n cold > Flashcards

hot n cold Flashcards

1
Q

where is the greatest effect superficial heating

A

1-2mm

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2
Q

how long for heat to reach 2cm

A

20-25 mins and only 1 deg increase

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3
Q

6 Therapeutirc effects of superficial heating

A

TIIRRS

Tissue healing
increase ROM
Infection control
Relief of Pain
Reduction of mm spasm
Sedative
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4
Q

T/F heat in inflamattroy stage is beneficial

A

no, but mild heating after initial risk of further bleeding can stimulate early repair tho

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5
Q

T/F chronic inflammation can be treated w heat

A

true, with exercise and stretch

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6
Q

why does tissue healing happen with heat

A

inc blood flow, inc leukocytes, antidotes, nutrients oxygen

remove by products of inflammatory response

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7
Q

does superficial heat help sympathy or para sympathetic nervous system

A

Sympathetic

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8
Q

how does heat reduce mm spasm

A

reducing ischaemia associated with prolonged contraction

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9
Q

why joint increase in ROM after heat

A

analgesic effects increase tolerance of stretch

collagen tissue extensibitly increases at higher temperatures

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10
Q

therapeutic effets of heat depend on

A 
extent of temperate increase
modality, blood flow
rate of which heated
volume of tissue heated
composition of tissue
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11
Q

what temperature do you see therapeutic effects

A

40-45C

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12
Q

how long can you tolerate 45 c, 50c, and 65s

A

1 hr
1 minute
1 secon

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13
Q

dangers of wax

A

don’t enter open wound
skin infections
acute inflammation
fire blanket extinguisher closer

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14
Q

types of hot packs

A

hydrocollator (wax), microwavable (gel), disposable (warmers)

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15
Q

what do you not do with hot packs

A

lie on it

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16
Q

how long does it take hot pack to get skin to its max

A

8 mins

17
Q

do contrast baths or ice packs get more intramuscular temperature change

A

packs

18
Q

T/F evidence of reduction in local oedema from contrast baths

A

no but evidence in decrease in mm soreness

19
Q

ratio hot to cold

A

4:2 mins or 5:3 or 3:1
repeat 3-4 times
20-30 mins max

20
Q

effects of whirlpool baths

A

water agitation stimulates skin

gently debrides wounds for learning of dirt/necrotic tissue

21
Q

precautions with superficial heat

A

local burns
altered sensation
altered heat loss mechanism (obese)

infection
skin diseases (eczema)
open wounds
unreliable patients

22
Q

indications for superficial heat

A 
reduce pain
increase ROM
reduce mm spasm 
increase exercise tolerate 
fine motor movements
23
Q

what is the extent of temperate change in tissues dependent on

A

rate of heat energy removal
amount of heat energy removal

body part
towel
size of area
duration

24
Q

what types of cold recommended

A

crushed n cryo

25
Q

does cold help metabolic reduction

A

current research says no

26
Q

POLICE

A 
Protect
optimal loading
ice
compress
elevation
27
Q

therapeutic uses of cooling

A 
promote healing
pain reduction 
dec swelling
dec mm spasm
dec spasticity
mm strengthening 
chronic inflammatory conditions
28
Q

how to apply ice

A

check at 1 and 5 minutes

29
Q

when can you do continuous immersion for cold

when can you do 1 minute

A

16-28 degs lets you do 15-20 minutes

10 lets you do 1 minute

30
Q

any evidence begining in either hot or cold

A

none

31
Q

benefits of ice towels

A

you can move or exercise while applied

switch towels 2-3 minutes

32
Q

benefits of ice massage

A

improves mm function

greater intramuscular cooling than ice packs

33
Q

dangers /contraindications for ice

A

ice burn
frostbite
open wounds
vasospasm (raynauds)

34
Q

why open wounds bad w ice

A

may reduce vascular supply to area to delay repair

35
Q

cold urticaria

A

degranuatlion of mast cells, release histamine

36
Q

how to check skin testing

A

hot n cold sticks
and capillary fill rate
ice cube test

37
Q

disadvantages of cold

A

increase stiffness

decrease tissue extensibitly

545 (34 decks)

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