Non-contrast-enhanced T1-weighted imaging has been demonstrated to be an effective technique for visualization of acute RF ablation lesions in the heart. Current practice does not include any soft tissue visualization, which could lead to gaps or incomplete ablations and possible recurrence of symptoms. We propose a T1-weighted sequence with long TI to increase contrast between normal and ablated myocardium. Images are presented demonstrating the technique after ablations in the ventricles, left atrium and pulmonary vein.
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