Study Laser Therapy (PTA) Flash Cards

 
Pile Management Card
Laser Therapy (PTA)

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Energy is usually measured in?
JOULES
Light of a single frequency, wavelength, and color?
MONOCHROMATIC
Low lever laser therapy is AKA?
-COLD LASER
-LOW INTENSITY
-LOW POWER
-SOFT LASER
How deep can red light penetrate?
5-10mm
How deep can IR reach?
30-40cm
Why is it recommended that la?sers and light not be applied to areas that have recently been exposed to radiotherapy
BECAUSE RADIOTHERAPY INCREASES TISSUE SUSCEPTIBILITY TO MALIGNANCY AND BURNS
Why can lasers damage the eyes?
BECAUSE THEY ARE DIRECTIONAL AND VERY CONCENTRATED TO ONE AREA.
The higher the optical density results in what?
THE GREATER THE ATTENUATION OF THE LIGHT
When using laser/light therapy, what should be marked on the goggles?
THE RANGE OF WAVELENGTH THEY BLOCK
What are the clinical indications for the use of laser and light therapy?
-TISSUE HEALING (SOFT AND BONE)
-ARTHRITIS
-LYMPHEDEMA
-MEUROLOGICAL CONDITIONS
-PAIN MANAGMENT
What is the current setting recommendations for wound healing?
4-16J/cm SQUARED
What are the effects of laser/light therapy?
-PROMOTE ADENOSINE TRIPHOSPHATE PRODUCTION
-PROMOTE COLLAGEN PRODUCTION
-MODULATE INFLAMMATION
-INHIBIT BACTERIAL GROWTH
-PROMOTE VASODILATION
-ALTER NERVE CONDUCTION VELOCITY AND REGENERATION
How is laser light therapy thought to enhance tissue healing?
BY PROMOTING COLLAGEN PRODUCTION
What has been shown to improve mitochondrial function and increase their production of ATP by up to 70%?
RED LASER AND LED LIGHT
What is the primary function of the mitochondria?
TO GENERATE ATP
Continuous and shortwave microwave diathermy heat what kinds of tissues?
DEEP AND SUPERFICIAL TISSUES
What kind of tissues do IR lamps heat?
SUPERFCIAL
What does UV radiation do to the skin?
-PRODUCES ERYTHEMA
-TANNING
-EPIDERMAL HYPERPLASIA
UV radiation is used to treat what skin disorder?
PSORIASIS
The clinical effects of electromagnetic radiation are determined primarily by?
RADIATION FREQUENCY AND WAVELENGTH RANGE
Can break molecular bonds to form ions?
IONIZING
Cannon break molecular bonds or produce ions?
NONIONIZING
Electromagnetic radiation is categorized according to it's _____________ & ____________, which are inversely proportional to each other?
-FREQUENCY
-WAVELENGTH
For low level laser therapy, what is the Tx dosage for a chronic diagnosis?
40 J/CM squared
For low level laser therapy, what is the treatment dosage for an acute diagnosis?
.05 AND 1 J/cm squared
Laser and light therapy is thought to enhance tissue healing by promoting?
COLLAGEN PRODUCTION
Red laser and Led light have been shown to improve mitochondrial function and increase their production of ATP by?
70%
What is the primary function of the mitochondria?
TO GENERATE ATP
Acronym for light amplification by stimulated emission of radiation?
LASER
SLD?
SUPRALUMINOUR DIODE
LED?
LIGHT-EMITTING DIODE
What is energy usually measured in?
JOULES (J)
Low Level Laser Therapy (LLLT) is AKA?
-COLD LASER
-LOW INTENSITY
-LOW POWER
-SOFT LASER
Low level laser therapy (LLLT) generally uses laser light diodes that have less tha?
500mW POWER PER DIODE
Longer wavelengths are associated with?
DEEPER PENETRATION
Light with wavelengths between what has the optimal depth of penetration in human tissue?
600-1300nm
How far can IR light penetrate into soft tissues?
2-4cm
What determines the depth to which the light penetrates?
FREQUENCY AND TYPE OF TISSUE BEING IRRADIATED
Laser light has the unique properties of being?
-MONOCHROMATIC
-COHERENT
-DIRECTIONAL
Directional (collinated)
LIGHT WITH PARALLEL WAVES
Lasers produce what king of light?
COHERENT
Light in which all the waves are in phase with each other?
COHERENT
Monochromatic?
MADE UP OF LIGHT THAT IS ONLY A SINGLE WAVELENGTH
Are non thermal?
-UV
-X-RAYS
-GAMMA RAYS
Continuous shortwave and microwave diathermy can heat what kind of tissues?
DEEP AND SUPERFICIAL TISSUES
What kind of tissues can IR lamps heat?
SUPERFICIAL TISSUES
When electromagnetic radiation is absorbed by tissues it can affect them via?
THERMAL OR NONTHERMAL MECHANISMS
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