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Fig. 4 | Journal of Cardiovascular Magnetic Resonance

Fig. 4

From: Improved passive catheter tracking with positive contrast for CMR-guided cardiac catheterization using partial saturation (pSAT)

Fig. 4

Subjective assessment of the pSAT sequence in healthy subjects. Catheter balloon/blood contrast (a), cardiovascular structure visualization (b), image suitability score for CMR-guidance (c), and ideal pSAT angle (d) are shown. In (a) and (b), scores were first averaged over all experts and are shown in average ± standard deviation over all subjects. A pSAT angle range of 20°-40° resulted in balloon/blood contrast score > 2, cardiovascular structure visualization score > 2 and image suitability for CMR-guidance in >93% of cases. The average ideal pSAT angle was 33 ± 7°

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