Lab Practical D (Ultrasound/Diathermy) Flashcards

1
Q

What are 6 indications for ultrasound?

A
Increase collagen fibers/synthesis
Increase blood flow
Increase cell metabolism
Decrease joint stiffness
Decrease muscle spasm
Enhance healing
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2
Q

What are the 1st 6 contraindications for Ultrasound?

A
Malignancy
Hemorrhage
Ischemia
Thrombus
Infection
Gonads
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3
Q

What are the 2nd 5 contraindications for Ultrasound?

A
Eye
Abdominopelvic area of pregos
Spinal cord
Implants
Unknown etiology
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4
Q

What are 2 precautions for Ultrasound?

A

Bony prominences

Epiphyseal plate

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5
Q

What affect will a 1* C increase in temp have on metabolic activity?

A

Increase in metabolic activity

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6
Q

What affect will a 2-3 C increase in temp have on:

  • -Muscle spasm
  • -blood flow
  • -chronic inflammation
A

Reduction in muscle spasm
Increase in blood flow
Reduction of chronic inflammation

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7
Q

What affect will a 4* C increase in temp have on collagen properties?

A

Alter viscoelastic properties

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8
Q

Which form of Ultrasound produces heat (pulsed or continuous)?

A

Continuous = heat

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9
Q

What are the duty cycles for both acute and chronic treatments?

A
Acute = 50%
Chronic = 100%
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10
Q

What frequency is used for deep or superficial tissues?

A

Deepest tissue = 1 MHz

Superficial tissue = 3.3 MHz

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11
Q

What is an indication for combo (ultrasound/premod)?

A

Premod for pain relief in combo w/ pulsed Ultrasound for healing

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12
Q

Why would you apply thermotherapy w/ Ultrasound in combo w/ premod for chronic tendonopathies such as lateral epicondylitis and Achilles tendonosis?

A

Helps decrease pain and increase circulation

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13
Q

When doing combo be sure the lead is plugged into what channel? And an electrode is connected to what connector.

A
Channel 2
Black connector (red is "dead")
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14
Q

What EPA is used to increase acute healing?

A

Pulsed 3.3 MHz; 50% duty cycle for 10 minutes

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15
Q

What EPA is used for decreasing chronic pain?

A

Continuous 1 MHz; 100% duty cycle

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16
Q

What EPA is used for chronic tendinosis or trigger points?

A

Combo 1-3 MHz; 50-100% duty cycle

17
Q

What are 5 indications for diathermy?

A
OA
Neck/back pain
Ankle pain
Dermal wounds
Msk injuries/pain
18
Q

What are the 1st 5 contraindications of diathermy?

A
Loss of sensation
Implants
Metal
Cancerous areas
Pregos
19
Q

What are the 2nd 5 contraindications?

A
Hemorrhagic patients
Ischemic areas
Testes
Eyes
Open growth plates
20
Q

What are 4 precautions for diathermy?

A

Prego operator
Copper IUDs
Other EPA devices
Mentally confused patients

21
Q

What EPA would be used for increasing joint mobility?

A

Diathermy, pulsed