Table 1.

Objectives and relative value of multi-modality imaging in the assessment of pulmonary regurgitation in repaired ToF.

	Echocardiography	CMR	Cardiac CT	Cardiac catheterization and angiography
Presence and severity of pulmonary regurgitation	✓✓	✓✓✓		✓
Quantify RV dilatation and function	✓✓	✓✓✓	✓*	✓
Assess associated valve lesions	✓✓✓	✓✓		✓
Planning percutaneous interventions	✓	✓✓	✓✓✓	✓✓✓

*This is usually reserved for patients with limited echo windows and a contra-indication to cardiac MRI.

CMR, cardiac magnetic resonance; CT, computed tomography.