Fontan procedure
| Assess ventricular diastolic diameter and contraction |
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| Detect and quantify any left atrioventricular valve regurgitation |
| Record pulmonary artery, pulmonary vein and hepatic vein spectral signal |
| Image Fontan circuit to detect any thrombus |
| Image and colour Doppler of Fontan circuit to detect any area of obstruction |
| Image and colour Doppler for a residual intra-atrial leak |
| Transoesophageal imaging greatly improves quality of studies |