Table 1.

Strengths and weaknesses of major imaging modalities in TOF

Characteristic	ECHO	CMR	CCT	CCA
RV size and function	++	++++	+++	+++
RV pressure	+++	+	+	++++
Severity of tricuspid/pulmonary stenosis	+++	++	–	++++
Severity of tricuspid insufficiency	+++	+++	–	+++
Severity of pulmonary insufficiency	++	++++	–	+++
Branch pulmonary arteries imaging	+	+++	+++	+++
Branch pulmonary arteries flows	–	+++	–	–
Aortopulmonary collaterals	–	+++	+++	+++
Imaging of left to right shunts	+++	+++	+	+++
Quantification of left to right shunts	+	++++	+	++++
LV size and function	+++	++++	+++	+++
Myocardial viability	+	++++	+	+
Aortic root imaging	+++	++++	++++	++++
Coronary origin and proximal course	++	+++	++++	++++
Coronary angiography	–	+	+++	++++
Sedation needed in young patients	++	++++	+++	+++
Availability and local expertise	++++	++	++	++
Ionizing radiation	–	–	++++	+++

CCA cardiac catheterization and angiocardiography, CCT cardiovascular computed tomography, CMR cardiac magnetic resonance, ECHO echocardiography, LV left ventricle, RV right ventricle