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Table 1 Strengths and weaknesses of major imaging modalities in TOF

From: Cardiovascular imaging approach in pre and postoperative tetralogy of Fallot

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