Diathermy Flashcards

1
Q

dia-thermy means

A

through heat

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2
Q

diathermy is a high blank modality emitting blank energy

A

frequency, electromagnetic

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3
Q

two types of diathermy

A

shortwave, microwave

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4
Q

two types of shortwave diathermy

A

continuous, pulsed

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5
Q

blank diathermy is no longer used

A

longwave

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6
Q

shortwave diathermy forms blank fields in tissue

A

magnetic

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7
Q

microwave diathermy forms blank fields in tissue

A

electric

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8
Q

blank diathermy is rarely used because it heats very quickly and can burn skin/cause hot spots

A

microwave

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9
Q

shortwave diathermy is basically a radio blank and the patient is like the radio blank

A

transmitter, receiver

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10
Q

the blank regulates shortwave diathermy

A

FCC

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11
Q

shortwave diathermy converts blank current into radio frequency

A

AC

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12
Q

magnetic field produces an increase in blank motion among molecules in shortwave diathermy as well as blank currents

A

kinetic, eddy

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13
Q

current flow of shortwave diathermy is greatest in tissues with the blank resistance such as blank

A

least, fat

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14
Q

current absorption is greatest in tissues with low blank like muscle and blood

A

impedance

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15
Q

shortwave diathermy used today that is used to create thermal and non thermal effects

A

pulsed SWD

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16
Q

blank pulse creates more energy to tissue

A

wider

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17
Q

faster pulse blank in SWD correlates to a greater amount of energy produced into tissue

A

rate

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18
Q

pulse rate is measure in blank

A

hertz

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19
Q

PSWD power/intensity is measure in blank

20
Q

the pulse is blank more than blank

21
Q

two physiological effects of diathermy

A

thermal, non thermal

22
Q

charged particles oscillate producing kinetic energy theory for thermal effects

A

ionic oscillation

23
Q

dipolar or water molecules rotating and producing kinetic energy theory of thermal effect

A

dipole rotation

24
Q

mild heat causes blank of sensory nerve endings

25
three non thermal effects of diathermy
repolarizing damaged cells, regularized cell growth, reestablish NA K pump
26
non thermal effect of diathermy improves blank funciton and blank cells in a wound
cell, white
27
diathermy can be used to control blank and blank, and tissue blank
pain, edema, healing
28
diathermy should not be done over blank plates in adolescents
epiphyseal
29
diathermy can reach blank tissues and reflects off bone so it wont cause bone blank
deeper, burn
30
only heat diathermy that can pass heat bone
capacitive plates
31
diathermy equipment is blank
expensive
32
these electrodes create a stronger electric field than magnetic field
capacitor
33
tissues that offer greatest resistance to current flow develop greatest blank
heat
34
fat has blank resistance to current flow of biologic tissues
highest
35
these capacitor electrodes are rarely used and if they are then they are used in areas of low fat
air spaced plates
36
diathermy capacitor electrodes that are more often used and have contact on the skin
pad electrodes
37
diathermy electrodes that has a stronger magnetic field than electric field
induction
38
type of induction electroe that has a flat coil
cable
39
type of induction electrode that has one or more monoplanar coils fixed in a housing for larger or contoured areas
drum
40
the dose of electrode to be used is based on patient perception of blank
perception of heat
41
no perception of heat
dose 1
42
mild perception of heat
dose 2
43
comfortable perception of heat
dose 3
44
max tolerable perception of heat
dose 4
45
max power of continuous dosage
800 watts
46
shortwave diathermy delivered by a drum or pad electrode and can treat a large area... heat stays longer in order to do manual therapy
pulsed shortwave
47
shortwave diathermy that creates thermal effects, can be delivered by a drum or pad electrode, can rapidly heat tissue, decay of heat is slow to allow for more time for manual therapy
continuous shortwave diathermy