diathermy

Question 1

diathermy uses

Answer 1

used to generate heat in body tissue
used for non-thermal effects
deep heater
electromagnetic waves produced will not cause depolarization

Question 2

types of diathermy

Answer 2

long wave
shortwave
microwave

Question 3

long wave

Answer 3

has longest wavelength = 300-30m
most penetrating
no longer utilized due to causing burns

Question 4

physiologic responses to diathermy

Answer 4

tissue temp increase
vasodilation thus blood flow increases
increase venous and lymphatic flow
increase metabolism
decrease joint stiffness

Question 5

what is the goal of diathermy treatment

Answer 5

to increase temperature of body tissues

Question 6

what does energy delivered to the patients depends on

Answer 6

type of diathermy [pulsed or continuous]
duration of treatment
proximity of the electrode to the patient’s skin

Question 7

what causes diathermy to increase the temperature of the tissue

Answer 7

power outputs measured in W
55 to 500W
which will raise temp of most tissues to 37.5 to 44 degrees

Question 8

what does pulsed shortwave diathermy depends on

Answer 8

tissue conductivity
charged molecules
dipolar molecules
nonpolar molecules
electric field magnitude

Question 9

what are charged molecules

Answer 9

contain ions and some proteins
molecules accelerate along lines of electric force
most efficient way of heat production

Question 10

dipolar molecules

Answer 10

water and some proteins
+ve poles align itself to -ve pole and vice versa
moderately efficient

Question 11

nonpolar molecules

Answer 11

flat cells
not electrically charged
negligible heat produced
least efficient