TENS

Question 1

Pain modulation through activation of central inhibition of pain transmission

Answer 1

Gate theory

Question 2

Current types

Answer 2

Continuous, pulsatile, burst

Question 3

Wave forms

Answer 3

Asymmetrical biphasic with zero net direct current

OR pulsed monophasic current

Question 4

Conventional TENS aka

Answer 4

High rate

Question 5

Conventional TENS: used for what phase of pain

Answer 5

Acute, chronic

Question 6

Conventional TENS uses what theory

Answer 6

Gate theory/mechanism

Question 7

Conventional TENS: 
Amplitude ?
Pulse Rate ?
Pulse Duration? 
Mode ?
Tx Duration ?
P! Relief Duration ?

Answer 7

Amp: comfortable, paresthesia, no muscle twitch
Pulse Rate: 50-80 pps
Pulse Duration: 50-100 usec
Mode: continuous
Duration: 20-60 min
P! Relief temporary

Question 8

Acupuncture-Like TENS aka

Answer 8

Strong low rate

Question 9

Acupuncture-Like TENS used for what phase?

Answer 9

Chronic

Question 10

Acupuncture-Like TENS: analgesia produced through stimulation-evoked production of ?

Answer 10

Endogenous opiates

Question 11

Acupuncture-like TENS: Onset of pain relief?

Answer 11

20-40 min

Question 12

Acupuncture-like TENS: 
Amplitude ?
Pulse Rate ?
Pulse Duration? 
Mode ?
Tx Duration ?
P! Relief Duration ?

Answer 12

Amp: strong but comfortable, rhythmic muscle twitches
Pulse rate: 1-5 pps
Pulse duration: 150-300 usec
Mode: continuous
Tx duration: 30-40 min
P! Relief: long lasting (1+ hrs)

Question 13

Brief intense TENS: provides ___ onset, ___ -term pain relief during ______

Answer 13

Rapid
Short
Painful procedures (debridement, deep friction massage, jt mob, passive stretch)

Question 14

Brief intense TENS:
Amplitude ?
Pulse Rate ?
Pulse Duration? 
Mode ?
Tx Duration ?
P! Relief Duration ?

Answer 14

Amp: pt’s tolerance
Pulse rate: 80-150 pps
Pulse duration: 50-250 usec
Mode: continuous
Tx duration: 15 min
P! Relief: temporary (30-60 min)

Question 15

Burst mode TENS has what characteristics?

Answer 15

Characteristics of both high- and low-rate TENS

Question 16

Burst-Mode TENS: stimulation of ___, current more ___ than low-rate TENS

Answer 16

Endogenous opiates, tolerable

Question 17

Burst-mode TENS: 
Amplitude ?
Pulse Rate ?
Pulse Duration? 
Mode ?
Tx Duration ?
P! Relief Duration ?

Answer 17

Amp: comfortable, intermittent analgesia
Pulse rate: 50-100 pps in bursts of 1-4 pps
Pulse duration: 50-200 usec
Mode: continuous
Duration: 20-30 min
P! Relief: long-lasting (hours)

Question 18

Hyperstimulation (point stimulation) TENS: use of small probe to locate ____/____

Answer 18

Noxious stimuli, trigger points

Question 19

Hyperstinulation TENS
Amplitude ?
Pulse Rate ?
Pulse Duration? 
Mode ?
Tx Duration ?
P! Relief Duration ?

Answer 19

Amp: strong, to pt’s tolerance
Pulse rate: 1-5 pps
Pulse duration: 150-300 usec
15-30 second increments
Long-lasting p! Relief

Question 20

Modulation Mode TENS: altering ___, ____, ___ by __% or more

Answer 20

Frequency, intensity, pulse duration, 10%

Question 21

Contraindications for TENS

Answer 21

1. Over chest of pt with cardiac disease
2. Over eyes, laryngeal/pharyngeal muscles, head/neck of pt after CVA or with epilepsy
3. Over mucus membranes