imaging Flashcards
1
Q
what is cardiothoracic ratio
A
ratio of max diameter of heart/max diameter of thorax
2
Q
normal CTR?
A
=50%
3
Q
when would heart size be exaggerated rather than cardiomegaly
A
poor inspiration
AP projection
rotation
4
Q
advantages of CMRI
A
good soft tissue resolution
5
Q
disadvantages of CMRI
A
long imaging times
MRI contraindication
claustrophobia
not useful for coronary arteries