lecture 8

Question 1

What is the waveform of IFC

Answer 1

sinewave

Question 2

What is the waveform of HVPG

Answer 2

two, twin-peak monophasic pulses

Question 3

How high of voltage is used with HVPG

Answer 3

150-500 volts

Question 4

What is the main use of HVPG

Answer 4

pain management and tissue healing

Question 5

What is “Current of Injury” and what is the polarity that forms within a wound

Answer 5

Difference between a damaged tissue (wound) and the surrounding healthy tissue. Essential for normal skin healing

Question 6

Negative vs positive polarity for current of injury.

Answer 6

• Negative polarity at center wound site, promote healing.
• Positive polarity at edge of healthy tissue, promote tissue regeneration

Question 7

For the treatment of necrotic tissue, the ____ electrode is placed over the wound to attract white blood cells such as ____ and ___?

Answer 7

anode, neutrophils, macrophages

Question 8

What is the common set-up of electrodes for IFC

Answer 8

Criss cross

Question 9

Why do we use “Scan” or “Sweep” on IFC

Answer 9

Prevent accommodation (decreased response)