What is the role of MRI in the workup of tetralogy of Fallot (TOF)?

Updated: Nov 13, 2018
  • Author: Shabir Bhimji, MD, PhD; Chief Editor: Yasmine S Ali, MD, FACC, FACP, MSCI  more...
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Answer

MRI has the following attributes:

  • Gold standard for assessing RV function and size, and for quantifying the pulmonary regurgitant volume

  • Maps the velocity of pulmonary regurgitation and provides good delineation of the aorta size and assessment of the pulmonary arteries and its branches, the status of the RVOT, and the presence of VSDs, and/or RV hypertrophy [5]

  • Can also be used to measure intracardiac pressures, gradients, and blood flows


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