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Flashcards in Diathermy Deck (24)
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1
Q

What is diathermy

A

high frequency electromagnetic energy

2
Q

What type of generators is diathermy

A

short wave and microwave

3
Q

What is the MC type of unit

A

shortwave diathermy

4
Q

who regulates frequencies

A

FCC

5
Q

MC wavelength and frequency

A

11 m wave

27.12 MHz

6
Q

Which is the safest unit

A

shortwave

7
Q

what is a dipole rotation

A

dipolar molecultes rotate (water)

thermal effect of diathermy

8
Q

iconic oscillation is what

A

where ions in solution oscillate back and fourth

9
Q

What is a capacitor electrode

A

produces electrical field

10
Q

what is an induction electrode

A

produces magnetic field

11
Q

what has the greatest absorption in tissues with electrolyte and water content (adipose)

A

capacitive technique

12
Q

What type of electrodes does capacitive technique have

A

plates and pads

13
Q

What type of environment is best for inductive technique

A

high electrode, high dipole tissue

14
Q

what type of electrodes does inductive technique have

A

drum, cables, garment

15
Q

what is the arndt schultz law

A

dose vs response

16
Q

what is the grotthuss draper law

A

absorption vs therapeutic effect

17
Q

inverse square law shows

A

dose vs divergence

18
Q

what is the cosine law

A

reduced energy as angle is increased

19
Q

CSWD

A

continuous short wave diathermy- less common

20
Q

PSWD

A

pulsed short wave diathermy- more common

21
Q

Pulsed wave diathermy

A

increased healing

cellular stimulation

22
Q

indications for diathermy (5)

A
OA
neck/back pain
ankle pain
dermal wounds
MSK injuries
23
Q

contraindications for diathermy (9)

A
loss of sensation
electronic implants
surgical metal
cancer
pregnant
hemorrhage
ischemic areas
eyes
open growth plates
24
Q

risks (4)

A

preggos cant opperate
copper IUD
other patients (10ft away)
mentally confused patients