Reduced Flip Angle Imaging

Table of Contents

Reduced Flip Angle Imaging

Determinants of Imaging Time

TR and Image Quality

Signal and Flip Angle

Small and Large Flip Angle

Flip Angle and TR/T1

flip summary

(examples)

TR & Flip Angle CombinationsHaving Similar Contrast (FLASH)

T2 and T2*

Magnetic Susceptibility

Magnetic Susceptibility

(examples)

Hahn Spin Echo

FLASH Timing Diagram

FISP (GRASS) Timing Diagram

the FLASHMagnetization Cycle

The GRASS (FISP)Magnetization Cycle

CE-FAST Sequence

SSFP Sequence

SNR vs. TR/T1

Email: mscohen@ucla.edu

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