Diathermy

Question 0

Purpose is diathermy

Answer 0

Generate hear in body tissues

Question 1

Definition of diathermy

What range of frequency is this is?

Answer 1

Heat through

Radio

Question 2

What kHz is diathermy

What frequency length?

Answer 2

Radio waves

Long frequency long wave

Question 3

Shortwave, microwave, and pulsed shortwave megahertz

Answer 3

27. 12Mhz
28. 450Mhz
29. 12Mhz

Question 4

Method of hear transfer for diathermy

Answer 4

Conversion

Question 5

Which method type of diathermy is electrical field? Magnetic field?

Answer 5

Capacitive method

Inductive method

Question 6

Minimum distance between electrode and body part

Answer 6

3cm

Question 7

Proper positioning of what two parts of machine to provide effective hearing and absorption of thermal energy

Answer 7

Plate and guard

Question 8

Molecules do what motion during tissue heating?

Answer 8

Oscillation and rotation

Question 9

Inductive or magnetic method lowers or raises impedance?

Uses what type is electrodes? (2)

Answer 9

Lowers

Drum and sleeve

Question 10

5 guidelines for electrodes

Answer 10

Equal size
Larger than treatment area
Equal distance, right angles to skin
No metal or sweat
Fat resists flow

Question 11

Pulsed short wave diathermy is delivered in bursts for how many seconds?

Answer 11

20-400usec

Question 12

During SWD is the off time or on time longer?

Answer 12

Off time

Question 13

What kind of electrode is used during SWD?

Answer 13

Drum

Question 14

Pulsed repetition rate range

Answer 14

1-1000hz

Question 15

Pulse duration range how much?

Answer 15

25-400 microseconds

Question 16

Peak pulse power range?

Answer 16

100-1000 watts

Question 17

Duration of diathermy?

Acute or chronic

Answer 17

5-15 acute

10-20 chronic

Question 18

Name of device which generates microwave diathermy

Answer 18

Magnetron

Question 19

Does MWD have higher or shorter frequency and wavelength?

Answer 19

Higher frequency, shorter wavelength

Question 20

Does MWD have a thermal effect that is deeper or less than SWD?

Answer 20

Less than SWD

Question 21

Circular shaped applicators for MWD are maximum temperatures where? Rectangular applicators?

Answer 21

Periphery

Center

Question 22

Pulsed electromagnetic fields delivers high or low intensity?
Any heating effects?

Answer 22

Low

No

Question 23

How many watts for PEF?

Used for what purpose mainly?

Answer 23

1W

Tissue healing

Question 24

Is diathermy capable of producing depolarization and contraction of muscles? Why?

Answer 24

No | Wavelengths too short

Question 25

Diathermy has what kind of effects on pain?

Answer 25

Analgesic

Question 26

Diathermy promotes tissue and bone healing by increasing what? (2)

Answer 26

Temp and circulation

Question 27

What kind of diathermy is best to treat soft tissue injuries and wounds?

Answer 27

SWD

Question 28

While adjusting the SWD unit what output intensity should the machine be set to?

Answer 28

30-40%, then adjust to 50%

Question 29

Duration for SWD unit

Answer 29

15-30 min

Question 30

Frequency of treatment with SWD Acute? Chronic or subacute?

Answer 30

1-3 times daily for acute | Daily or every other day for chronic

Question 31

Dose 1 response and suggested use

Answer 31

``` No sensation of heat Acute injury(sprain or strain) ```

Question 32

Dose 2 response and suggested use

Answer 32

Mild heating | Subacute injury and inflammation

Question 33

Dose 3 response and suggested use(3)

Answer 33

Moderate or pleasant heating | Pain, muscle spasm, chronic inflammation

Question 34

Dose 4 response and suggested use (2)

Answer 34

Vigorous heating | Increased blood flow, heating collagen fibers for stretching soft tissues

Question 35

Indications for diathermy (7)

Answer 35

``` Inflammatory disease (oa, ra) Pain Tightness Chronic pelvic inflammatory disease Low back pain Limited rom ```

Question 36

Contraindications of diathermy (9)

Answer 36

``` Metal implant Impaired sensation Hemorrhage Ischemic tissue Very acute or inflammation Fever X-ray exposure Poor circulation Obese patients ```

Question 37

3 precautions of diathermy

Answer 37

Near other electrical devices Over low back or pelvis of menstruating patient Atrophic, infected, damaged skin

Question 38

Is diathermy deeper or more superficial than other modalities Can it heat a larger area or smaller area than US?

Answer 38

Larger