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A 24-year old lady with fenestrated Fontan circulation was referred for a combined cardiac MRI and catheterisation procedure to assess her anatomy and suitability for fenestration closure. The patient was considering pregnancy; however, due to low saturations of 83%, successful pregnancy was unlikely.
Under interactive screening, the balloon of a wedge catheter was inflated in the lateral tunnel to render it visible as a dark spot in the bright surrounding blood. …
Competing interests None.
Patient consent Obtained.
Ethics approval This study was conducted with the approval of the King's College Hospital Research Ethics Committee, 09/H0808/61, 26 June 2009.
Provenance and peer review Not commissioned; not externally peer reviewed.