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Intervention Final > Estim > Flashcards

Estim Flashcards

1
Q

What are the 3 types of current

A

Pulse tile , AC, direct

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2
Q

What is pulsitile current

A

TENS, HVPC, FES, NMES,

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3
Q

What is AC current

A

IFC, Premodulated, Russian

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4
Q

What is pps

A

Pulses per second . High pps is more comfortable. Low pps is noxious

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5
Q

What is pulse duration

A

Wide duration is more uncomfortable,

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6
Q

Mono vs biphasic pulses

A

Monophasic is unidirectional, doesn’t change directions. Has predictable polarity for HVPC. negative is cathode. Positive is anode.
Biphasic is the norm for pulsitile. Can be asymmetric balanced (net charge is 0) or unbalance (not zero).the unbalanced is how your could get a charge but since it’s such a short time it wouldn’t be noticed.

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7
Q

What pps do we usually need to get muscle contraction

A

35-50 pps

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8
Q

If using ionto and the drug is negative, what charge do you use

A

Negative (cathode)

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9
Q

When would you use monophasic pulsitile

A

Open wounds, deem, and spasm. HVPC

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10
Q

When would you use biphasic pulsitile

A

Pain relief, mm contraction

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11
Q

What is micro current

A

Can never exceed 1mA, 1000 times less current than TENS. Promotes healing cutaneous wounds

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12
Q

What is alternating current

A

Continuous bidirectional flow of charged particles, equal ion flow in each direction, ( so no polarity). Burst modulated (Russian) is most common

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13
Q

What is IFC

A

Low frequency that results from crossing two or more mediums. They intersect and produce a higher amplitude when both are in the same phase and lower current when In opposite directions

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14
Q

What is the Beat frequency

A

Difference In frequency 4100-4000 is 100.

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15
Q

What is sweep vs scan IFC

A

Sweep varies the width of the leaves. Allows use of low and high frequency at the same time. Minimal evidence
Scan is for Intensity. Rotates and scans the cloverleaf, circular shaped field. Makes it feel like they are moving

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16
Q

What is Russian current

A

BURST modulated ac. Has 10 ms polyphasic waveform and interburst interval of 10 ms. We would use this on someone grade 4 or above. (Pulsed biphasic is good for lower grades)

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17
Q

What is iontophoreis

A

Increases permeability across skin. Used for small areas.

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18
Q

What is amplitude

A

Same as intensity. Noted as amps or voltage. Measured by PATIENT response. Subsensory, sensory, motor , or noxious

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19
Q

What are leads

A

What’s attached to The red and the black (electrodes) There MUST be two leads per channel

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20
Q

If a box has polarity what kind is it

A

HVPC

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21
Q

If a box has scan sweep beat

A

IFC

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22
Q

If there are pulse duration knobs

A

TENS

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23
Q

How does flow travel via action potential vs estim

A

AP is only in one direction, estim can travel in both (however, only has an effect in the physic illogical direction normal AP direction

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24
Q

What amplitude needed for nerve depolarize

A

Sensory is Less than 80 ms. Motor is 150-350 me. >1ms depolarize C fibers (noxious)

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25
Q

How does estim activate muscle fibers

A

Largest axonal diameter first then smaller. It normal physiology is opposite

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26
Q

What are the clinical applications of estim

A

Increase muscle endurance, sub luxe shoulder, spasticity, urinary incontinence improvements,

27
Q

Small vs large muscle duration

A

Short 150-200 for small. 200-350 for larger

28
Q

Why would we never exceed 80 pps for muscle strengthening

A

Because of fatigue

29
Q

How should you ramp for spasticity

A

Longer ramp time like 4-8 seconds do you don’t get more tone

30
Q

When would you use positive and negative electrode for tissue healing

A

Negative if acute or inflamed to start the tissue healing process.Positive if necrosis without inflammation and if wound is in proliferation

31
Q

How should you clean carbon electrodes

A

Warm soapy waiter. NOT alcohol

32
Q

What kind of gel do we use for estim

A

Electro therapy gel. It is ion rich unlike ultrasound gel

33
Q

How should You place electrodes for deeper current

A

The farther apart the deeper goes

34
Q

Why are larger electrodes more comfortable

A

Because the density is more spread out

35
Q

What do you do for a demon from lack of motion

A

Use muscle contraction such as NMES

36
Q

What are the contraindications for electrotherapy

A

Pacemaker placing electrodes over the carotid sinus insulin pumps thrombophlebitis pregnancy within 15 feet of diathermy machine

37
Q

What are current specific contraindications

A

HVPC over heavy scarring that adipose tissue extreme Adema osteomyelitis .for NMES when muscle contractions contraindicated . Iontophoresis damage your open skin lesions sensitivity to allergies impaired sensation

38
Q

What are the precautions for electrotherapy

A

Cardiac disease impaired cognition impaired sensation malignant tumor’s obesity before and after other physical agents

39
Q

What is the pulse duration for acute pain tens

A

50 to 80 µs

40
Q

What is the pulse duration for chronic pain tense

A

100 to 300 µs

41
Q

What is the poster ration for muscle strengthening using a pulse by phasic machine

A

150 to 200

42
Q

What is the pulse duration for muscle contractions reeducation with the biphasic

A

150 to 350

43
Q

What is the posterior ration for muscle contractions muscle spasms with biphasic

A

150 to 350

44
Q

What is the pulse duration for biphasic chronic edema using muscle pumping

A

150 to 350

45
Q

What is the pulse duration for Russian stem using muscle pumping for chronic edema

46
Q

What is the pulse duration for using HVPC for edema due to inflammation

A

Fixed from 40 to 100

47
Q

What is the pulse duration for a pulse biphasic for edema for lack of motion

A

150 to 350

48
Q

What is the pulse duration for tissue healing using HVPC

A

Fixed from 40 to 100

49
Q

What is the pulse duration or dose for iontophoresis

A

40–80 mA times minute

50
Q

What is the frequency for acute pain tens

A

100 to 150 pulses per second

51
Q

What is the frequency for chronic pain tens

A

2 to 10 pulses per second

52
Q

What is the frequency for Russian the stem for muscle strengthening

53
Q

What is the frequency for post biphasic for muscle strengthening

A

35 to 80 pulses per second

54
Q

What is the frequency for pulsed biphasic for muscle reeducation

A

35 to 50 pulses per second

55
Q

What is the frequency for pulsed biphasic for muscle spasms

A

35 to 50 pulses per second

56
Q

What is the frequency for pulsed biphasic for chronic edema

A

35 to 50 pulses per second

57
Q

What is the frequency for HVPC see for edema due to inflammation

A

100 to 120 pulses per second

58
Q

What is the frequency for pulsed biphasic edema from lack of motion

A

35 to 50 pulses per second

59
Q

What is the frequency for tissue healing using HVPC

A

60 to 125 pulses per second

60
Q

What is the amplitude for iontophoresis

A

0.1 to 4mA

61
Q

What is the amplitude for acute pain tens

62
Q

What is the amplitude for chronic pain tens

A

Visible contraction

63
Q

What is the amplitude for muscle strengthening

A

Contraction

64
Q

What is the amplitude 4HVPC due to Adema

Intervention Final (4 decks)

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