Diathermy

Question 1

Application of high frequency electromagnetic energy that is primarily used to generate heat in body tissues

Answer 1

Diathermy

Question 2

Cable coiled inside drum container. Pt not part of current

Answer 2

Inductive SWD

Question 3

Metal plates enclosed in plastic housing. Flows from one plate to the other. Pt is part of current

Answer 3

Capacitive SWD

Question 4

Diathermy indications (5)

Answer 4

• subacute mm injury
• decrease in BF
• jt stiffness
• mm guarding
• pain

Question 5

Diathermy contraindications (5)

Answer 5

• acute injury
• fluid filled area
• pregnancy
• metal implant
• unshielded pacemaker

Question 6

Continuous Diathermy physiological effects (4)

Answer 6

• repolarize cells
• increase tissue temp
• increase ATP and protein synthesis
• vasodilation

Question 7

Pulsed SWD physiological effects (3)

Answer 7

• sodium pump activation
• decrease mm spindle sensitivity
• repolarize cells

Question 8

Continuous SWD frequency

Answer 8

27.12 MHz

Question 9

Continuous SWD power output

Answer 9

80-120 W

Question 10

Continuous SWD tissue temp

Answer 10

104-114*F

Question 11

Continuous SWD duration

Answer 11

3-30 min

Question 12

Capacitive Continuous SWD distance from body

Answer 12

2.5-7.5 cm

Question 13

Pulsed SWD intensity

Answer 13

Up to 2000 W per pulse

Question 14

Pulsed SWD duration of pulse

Answer 14

20-400 secs per pulse

Question 15

Pulsed SWD pulse repetition rate

Answer 15

1-7000Hz

Question 16

Pulsed SWD tx duration

Answer 16

3-30 min