MRI Flashcards
What does MRI stand for?
magnetic resonance imaging
What does an MRI provide?
visualization of structure and function of organs, thin slice of cross-sectional anatomy
MRI is __________ to other imaging.
superior to other imaging for soft tissues
What is a safety concern with MRIs?
potential projectile effect with metal objects within vicinity of machine
MRI does not use ___________.
radiation
What is needed for MRI?
anesthesia is needed
What is magnetic strength measured in?
tesla (T)
What are shims?
pieces or plates of metal used to correct the magnetic field within the magnet
What contrast is used for MRI?
gadolinium
Gadolinium is removed by the __________ so assessment before MRI is important.
kidneys
What are various shades of grey are referred to as?
signal intensities