Safety Concerns

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Last updated 5:51 PM on 8/28/26
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14 Terms

1
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Radiofrequency waves do what to people

heat/energy but don’t want to burn

2
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SAR

how much the patient RF exposure

3
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What is the FDA limit currently for a whole-body tissue heating

4 w/kg (15 min)

4
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What is the FDA limit currently for a head or torso

8 w/kg (5 mins)

5
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What is the FDA limit currently for extremities

12 w/kg (5 mins)

6
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FDA limit for temp is an increase of what

1 C or 1.8 F

7
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Highest safety issue in MRI

Burns

8
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Focal heating

a certain point something specific is touching and could develop a burn where they touched

9
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Near Field affects

RF burns touching the equipment- touching something that is a conductor

10
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Conductive loop

patient touching themselves and developing burns

11
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Peripheral Nerve Stimulation

FDA limit: What the patient can tolerate

12
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Knocking you hear when MRI machine is on?

Moving magnet/ gradient switching back and forth

13
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What is during scaning

RF and Gradient

14
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