Light/laser/Diathermy

Question 1

What is diathermy

Answer 1

Similar to US
Treats large areas
Like a big heating lamp on your skin

Question 2

Contraindications for Diathermy

Answer 2

Implanted leads or METALLIC implants
Anything with the word “stimulator” (ex: spinal cord stimulator)
Hardware (plates, screws, joint replacements)
Acute infection

Question 3

What does light promote?

Answer 3

Promotes tissue healing via non-thermal mechanism

Question 4

What are the effects of laser (class 3B power 5-500mW)

Answer 4

Used for therapy
Can cause permanent eye injury w/ brief exposure
Direct viewing of the beam should be avoided
Viewing of the diffuse beam reflected from the skin is safe
Can cause minor skin burn

Question 5

What are the effects of laser

Answer 5

Promotes:
ATP
Collagen
Vasodilation
Modulates inflammation
Inhibits growth of microorganism
Alter nerve conduction velocity

Question 6

What are the contraindications of laser

Answer 6

Malignancy
Laser direct to the eyes (no goggles)
Hemorrhaging regions
Over thyroid/endocrine glands
Pregnant
Children - growth plates