Safety Flashcards
1
Q
Who are the main regulatory bodies in MRI safety? (4 marks)
A
HPA
ICNIRP
MHRA
IEC
2
Q
What are the dangers from MRI and why? (15 marks)
A
- Main B0 field = projectile risk and implanted devices such as pacemakers
- B1 field = RF heating of implanted devices and patients with thermo-reg issues, and if patients form loops with their arms and legs
- Acoustic noise from switching the field gradients
- Peripheral nerve stimulation can cause pain due to rapid gradient switching.
- Asphixation and cold burns from a quench,
3
Q
Who publishes guidance on local rules and safety? (1 mark)
A
MHRA
