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Fig. 1 | Journal of Cardiovascular Magnetic Resonance

Fig. 1

From: Prospective comparison of novel dark blood late gadolinium enhancement with conventional bright blood imaging for the detection of scar

Fig. 1

a inversion recovery (IR) for bright blood LGE in case with scar signal (blue) less than blood (red) resulting in poor contrast. b IR for dark blood (DB) late gadolinium enhancement (LGE) using combined IR and T2 preparation to shift the null time of blood relative to the normal myocardium. In this case the delays are chosen such that the blood signal (red) is less than the myocardium (dashed grey) resulting in dark blood using phase sensitive inversion recovery (PSIR) reconstruction, which preserves the signal polarity. Inversion times to null the normal myocardium are depicted by vertical dashed lines. The loss in signal-to-noise ratio (SNR) due to the T2 preparation is mitigated by increased respiratory motion corrected averaging (MOCO) [15]

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