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Table 1 Comparison of 4D vs. 2D. Peak flow with 2D at 1.5 T: 431 ± 93 and 3 T: 445 ± 101 ml/s

From: Intracardiac cardiovascular magnetic resonance velocity mapping: comparison of k-t BLAST and SENSE accelerated 4D acquisitions with 2D-flow at 1.5 T and 3 T

Sequence r2 SV, bias ± SD Peak flow ml/s
1.5 T SENSE = 2 0.84 -6.2 ± 16.5% 387 ± 100
3 T SENSE = 2 0.90 -2.5 ± 8.4% 415 ± 91
1.5 T k-t BLAST = 5 0.65 -19.8 ± 15.6% 325 ± 75
3 T k-t BLAST = 5 0.63 -4.7 ± 12.3% 376 ± 60