Topic 11.2

Question 1

Inversion recovery is a spin echo sequence that begins with a

Answer 1

180° inverting pulse.

Question 2

When the pulse is removed, the NMV begins to relax back to B0. What happens next?

Answer 2

A 90° pulse is then applied at time interval TI (time from
inversion) after the 180° inverting pulse.

Question 3

TI is the main factor that controls

Answer 3

weighting in IR (Inversion recovery) sequences