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Exam (elaborations)

Physiotherapy SCNM Exam Study Guide with Complete Solutions

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  • 2024/2025
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  • 2024/2025

Physiotherapy SCNM Exam Study Guide with Complete Solutions Interferential - Ans:-Two low amplitude alternating currents with one usually being at 4000 Hz and one at 4100Hz. A beat current is produced with a frequency equal to the difference between the two applied currents. The amplitude is eq...

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  • October 24, 2024
  • 18
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • 2024/2025
  • 2024/2025
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©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




Physiotherapy SCNM Exam Study Guide
with Complete Solutions


Interferential - Ans:✔✔-Two low amplitude alternating currents with one usually being at 4000 Hz and

one at 4100Hz. A beat current is produced with a frequency equal to the difference between the two

applied currents. The amplitude is equal to the sum of the amplitudes of the two applied currents;


sinusoidal AC - 2 currents are arranged to cross and result in a "beat" frequency as the difference of the

two currents - very comfortable


Pulsed Current - Ans:✔✔-The flow of the current starts and stops. May be monophasic or biphasic,

Electrical current delivered discontinuously; periods of pulsing followed by periods where no current is

flowing (usually off longer that it is on); May be unidirectional or bidirectional


Phase duration - Ans:✔✔-How long each phase lasts (microseconds).


Pulse frequences - Ans:✔✔-Number of pulses per second. (Hz or pps).


Amplitude (intensity) - Ans:✔✔-Rate of flow (current) or voltage (mA, volts).


modulation - Ans:✔✔-Variation in one of the current parameters (pulse duration, pulse frequency or

Amplitude).

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, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




wave form


Current intensity/amplitude


Pulse Duration


Pulse Rate - Ans:✔✔-Total current is changed by...


Law of Dubois Reymond - Ans:✔✔-Determines whether there will be a physiological response when a

current is applied.


Stimulus must be of adequate intensity, voltage change must be rapid enough, and phase duration must

be long enough.


Over eye


Pregnant uterus


Testes


Heart


Malignant tumors/cancerous lesions


Carotid sinus


Absent sensation


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, ©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED

FIRST PUBLISH OCTOBER 2024




Demand type pacemaker


Circulatory insufficiency


Sepsis


No transcerebral or transthoracic placement of electrodes, if treating the thoracic region, keep the

electrodes in one plane i.e. both electrodes on the chest or both on the back, not through from front to

back (so do not have current go through heart)


Fresh fractures - Ans:✔✔-General Contraindications to physiotherapy


transcutaneous electric nerve stimulation - Ans:✔✔-a special pain relief system that uses a pocket sized

battery operated device that provides a continuous,mild electric current to the skin via electrodes that

are attached to a stimulator by flexible wires


TENS - Ans:✔✔-Acupuncture like low pulse frequency, with long pulse duration


Brief Intense: long duration High freq current amplitude is higher


Interferential pain control - Ans:✔✔-Management of mild edema (first choice would usually be high volt

pulsed)


Penetrates fairly deeply, can localize pain better (vector scan)


NMES - Ans:✔✔-Neuromuscular re-ed


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