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Fig. 1 | Journal of Cardiovascular Magnetic Resonance

Fig. 1

From: Native contrast visualization and tissue characterization of myocardial radiofrequency ablation and acetic acid chemoablation lesions at 0.55 T

Fig. 1

Native contrast cardiovascular magnetic resonance (CMR) of radiofrequency (RF) ablation (green arrows) and chemoablation (orange arrows) in the left ventricle on the day of ablation. a The boundary of T2 weighted (T2w) enhancement (edema) at sites of ablation is more diffuse than the more discrete lesion borders visualized by (b) T1 weighted (T1w) imaging. c T1 mapping shows a lower T1 for chemoablation lesion cores compared to RF ablation, corresponding to the greater degree of enhancement noted on T1w imaging. d Ex vivo native contrast T1w imaging showed the same lesion extent and relative enhancement as in vivo T1w imaging. Overall, both RF and chemoablation lesions were well visualized on the day of ablation

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