Week 3: Ch.11 (Intro to Electrotherapy) Flashcards by Arturo Zamora Magallon | Brainscape

Q

Electrical Current

A

Flow of charged particles

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Q

Waveforms

A

Direct, Alternating, Pulse

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Q

Cathode

A

Negative Electrode

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Q

Anode

A

Positive Electrode

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Q

Current

A

Flow of a charge

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Q

Direct current flows? (DC)

A

One Direction
stores charge

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Q

Alternating current flows? (AC)

A

Continuous
Pain Control
Muscle Contraction

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Q

Pulsed current flows?

A

Interruption of flow
Pain Control
Tissue Healing
Muscle Contraction

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Q

Monophasic pulsed current flows? (HVPC)

A

High Volt Pulsed Current
Control Acute Edema
Promote Tissue Healing

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Q

Biphasic Pulsed Current

A

A-Biphasic, B-Biphasic, C-Unbalanced
Control Pain
Produce Muscel Contraction
Most used

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Q

A-Biphasic is?

A

Symmetrical

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Q

B-Biphasic is?

A

Asymmetrical

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Q

C-Unbalanced?

A

Asymmetrical

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Q

Interferential Current

A

2 Pairs of electrodes
X placement
penetrate deeper
larger area

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Q

Premoducalted Current

A

Medium frequency current (Single)

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Q

Russian Protocol

A

Medium frequency AC

Q

Pulse Duration

A

How long each pulse lasts

Q

Phase Duration

A

Duration of one phase of pulse

Q

Interpulse Interval

A

Amount of time with pulse

Q

Pulse

A

Period of current flow in any direction

Q

Frequency

A

Number of waves per sec.

Q

Hertz

A

1 Cycle per sec.

Q

Amplitude

A

Magnitude of current flow

Q

On Time

A

Time current is on

Q

Off time

A

Time current is off

Q

Ramp Up

A

Amp. from Zero to Max

Q

Ramp Down

A

Max Amp. to Zero

Q

Action Potential

A

Depolarizing nerve membranes

Q

Absolute Refractory Period

A

nerve can’t be further excited

Q

Relative Refractory Period

A

nerve returns to resting potential

Q

Action Potential occurs in how many ways?

A

Both directions

Q

Direct Current (DC)

A

repel ionized drug molecules
increase transdermal drug penetration

Q

Electrotherapy (Contraindications)

A

Pregancy
Unstable arrhythmia
Carotid Sinus

Q

Adverse Effects of Electordes

A

Burns
Skin Irritation
Pain

Q

Treatment Parameters

A

Waveform
polarity
frequency
pulse direction
on:off time
ramp up/ramp down,
treatment duration

Q

TENS (transcutaneous electrical nerve stimulation)

A

unit is a battery-powered device, nerve-related pain conditions