Abstract
Alternate inversion recovery spatial modulation of magnetization (AIR-SPAMM) can be used either for doubling the number of tags for a given tagging encoding gradient strength or for improving tagging contrast ratio. AIR-SPAMM requires only a single acquisition and utilizes inversion pulses spaced throughout the gradient recalled echo (GRE) cine acquisition to "lock" the recovering magnetization at a desired level. The theory of AIR-SPAMM is presented along with simulations and results from phantoms. AIR-SPAMM can be used either for imaging systole as demonstrated by initial in vivo results or potentially for imaging the entire cardiac cycle in a slice-interleaved manner.
Original language | English |
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Pages (from-to) | 236-245 |
Number of pages | 10 |
Journal | Journal of Magnetic Resonance |
Volume | 166 |
Issue number | 2 |
DOIs | |
State | Published - Feb 2004 |
Keywords
- Cardiac
- DENSE
- Function
- HARP
- Heart
- MRI
- SPAMM
- Tagging