L11 HVPC

Question 1

HVPC

Answer 1

monophasic, short pulse duration
hgih voltage
varying duty cycles

Question 2

Galvanotaxis

Answer 2

process in which cells possessing a positive or negative charge are attracted to an electric field of opposite polarity

NEG electrode to promote healing of inflamed tissue
POS electrode to promote healing of wound w/out inflammation

Question 3

Indications of HVPC

Answer 3

wound healing–> promotes granulation, reduces wound size, capillary growth

edema management
antimicrobial effects

Question 4

Local contraindications

Answer 4

active tissue bleeding
epilepsy
malignancy
pregnancy
electronic device

Question 5

Precautions of HVPC

Answer 5

impaired circulation
active epiphysis
infection
over chest/heart
cardiac failure

Question 6

Parameters of HVPC

Answer 6

amplitude set at comfortable tingling
pulse rate = 60-125
pulse duration = 100 usec

do it for 20-60 min
placement in or around wound

Question 7

application of HVPC

Answer 7

clean wound site
pack with gauze
place electrode over gauze

• = bactericidal effect
  +=culture free

Question 8

When attempting to treat an open wound, which type of electrotherapy modality would have a positive effect?

Answer 8

HVGS