FDA Regulations for MRI Flashcards
1
Q
What type of noise is regulated by the FDA that is a result of the Lorentz forces acting on the gradient coils?
A
Acoustic Noise
2
Q
What is the limit of RF absorption (dose) with time for the head?
A
4 W/Kg for 15 minutes
3
Q
What is the allowable FR absorption limit for the whole body?
A
4.0 W/Kg
4
Q
What is the limit on time varying magnetic fields?
A
Until the patient has peripheral nerve stimulation
5
Q
What is the FDA limit for static magnetic field for imaging in patients over 1 months of age?
A
8 Tesla
6
Q
What is the FDA limit for static magnetic field for imaging in patients younger than 1 months of age?
A
4 Tesla
