Infrared/Ultraviolet

Question 1

uses electromagnetic energy rather than true thermotherapy using conduction for heat transfer

Answer 1

infrared

Question 2

when using infrared place a ____ over the tx area

Answer 2

moist warm towel

Question 3

two types of infrared

Answer 3

luminous

non lumionous

Question 4

most commonly used infrared

Answer 4

near infrared

Question 5

Near infrared parameters

Answer 5

depth- 5-10mm
sup temp- 110 F
Deep temp- 118 F
15-20min

Question 6

Far infrared parameters

Answer 6

depth- 0.5-2mm
Sup temp- 114F
Deep temp- 107F
15-20min

Question 7

Pt position for infrared

Answer 7

20in from source. Lamp at 90*

Question 8

Only use infrared when…

Answer 8

pressure from other modalities are not tolerated

Question 9

infrared contraindications

Answer 9

• circulatory diseases
• dermatitis
• acute injury

Question 10

infrared indications

Answer 10

• pain
• increase blood supply
• mm spasm

Question 11

non heat modality that stimulates chemical changes by absorption of electromagnetic energy

Answer 11

ultraviolet

Question 12

UV that uses hot quartz. Causes most skin erythema

Answer 12

UVB

Question 13

UV that uses cold quartz. Germicidal

Answer 13

UVC

Question 14

High powered lamp, close to skin at perpendicular angle =

Answer 14

deepest penetration

Question 15

Protective reaction of the skin

Answer 15

pigmentation

Question 16

superficial skin thickening- 72 hrs after exposure

Answer 16

epidermal hyperplasia

Question 17

Vitamin D conversion necessary for

Answer 17

• Ca absorption
• Bone formation
• Organ function

Question 18

UV indications

Answer 18

• Psoriasis (skin disorders)

- Wound healing

Question 19

smallest UV dose producing erythema w/in 8 hrs of exposure but disappears w/in 24 hrs

Answer 19

Minimal Erythemal Dose MED

Question 20

definite redness, appears w/in 6 hrs. Lasts 1-3 days. 2.5x MED

Answer 20

1st Degree (E1)

Question 21

Electromagnetic radiation which lies between X-ray and visible light

Answer 21

Ultraviolet

Question 22

Indications for UV (2)

Answer 22

• Psoriasis

- Wound healing

Question 23

UV contraindications (4)

Answer 23

• skin cancer
• tuberculosis (pulmonary)
• fever
• cardiac, kidney, liver disease

Question 24

UV precautions (3)

Answer 24

• photosensitivity (meds)
• recent X-rays
• previous tx have not disappeared

Question 25

UV physiological effects

Answer 25

- erythema - vitamin D synthesis - vasodilation - increased pigmentation

Question 26

No change in skin redness occurs in the 24 hrs after UV exposure

Answer 26

Suberythermal dose SED

Question 27

The smallest dose producing erythema within 8 hrs that disappears within 24 hrs

Answer 27

Minimal erythemal dose MED

Question 28

Definite redness with some mild desquamation appears within 6 hrs after exposure and lasts 1-3 days. 2.5x MED

Answer 28

First degree erythema E1

Question 29

Intense erythema with edema, peeling and pigmentation appears within 2 hrs after tx and is like severe sunburn. 5x MED

Answer 29

Second degree erythema E2

Question 30

Erythema with severe blistering, peeling and exudation. 10x MED

Answer 30

Third degree erythema E3

Question 31

UV parameters

Answer 31

50% MED first tx and increase 10-40% each following tx