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Ther Mod II > Laser > Flashcards

Laser Flashcards

1
Q

What does laser stand for?

A

Light Amplification by Stimulated Emission of Radiation

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2
Q

Unique properties of laser (2)

A
  1. monochromatic

2. coherent and directional (// waves)

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3
Q

single frequency/wavelength and color

A

monochromatic

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4
Q

Indications for laser (5)

A
  1. Trigger points
  2. Edema
  3. Wound
  4. Scar
  5. pain
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5
Q

laser contraindications (3)

A
  1. 4-6 month radiotherapy
  2. hemorrhaging
  3. malignancy
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6
Q

laser precautions (4)

A
  1. pregnancy
  2. impaired sensation
  3. epilepsy
  4. sensitivity to light
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7
Q

laser effects cells via their interaction with…

A

intracellular chromophores

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8
Q

photon emissions are caused by an electron of an active medium jumping from…

A

higher to lower energy state

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9
Q

laser physiological effects (5)

A
  1. increase ATP
  2. increase collagen production
  3. stimulate macrophages
  4. vasodilation
  5. increase nerve conduction
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10
Q

What does increasing collagen entail? (2)

A
  1. tissue healing

2. reduced pain

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11
Q

what does stimulation of macrophages entail?

A

inhibits bacterial growth

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12
Q

what are the 3 types of diodes?

A
  1. LED
  2. SLD
  3. laser
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13
Q

2 techniques used in laser therapy?

A

gridding and scanning

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14
Q

energy density (J/cm2) for acute/superficial conditions

A

lower dose

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15
Q

energy density (J/cm2) for chronic/deeper conditions

A

higher dose

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16
Q

Trigger point parameters

A

sup: 1-3 J/cm2
deep: 1-2 J/cm2

17
Q

Edema parameters

A

acute: 0.1-0.2 J/cm2

sub-acute: 0.2-0.5 J/cm2

18
Q

Wound healing (superficial) parameters

A

acute: 0.5-1 J/cm2
chronic: 4 J/cm2

19
Q

wound healing (deep) parameters

A

acute: 0.05-0.1 J/cm2
chronic: 0.5-1 J/cm2

20
Q

Laser tx duration

A

3-30 min based on total dose

21
Q

for laser tx, joint should be placed in…

A

open packed position

22
Q

cold is applied ______ laser to _______ the amount of energy removed from the area

A

before; reduce

23
Q

heat is applied ________ laser to _______ the amount of energy removed from the area

A

after; increase

Ther Mod II (10 decks)

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