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  2. Library: Fetal CHD Image Library
  3. Lesion: Transposition of the Great Arteries
  4. View: Fetal Transposition of the Great Arteries
  • Transposition of the Great Arteries
    • Apical 4 chamber sweep
    • Pulmonary artery arising more posterior from the left ventricle and seen bifurcating into the left and right pulmonary arteries 
    • Aorta arises anteriorly (at end of sweep) from the right ventricle
  • Transposition of the Great Arteries
    • Apical 4 chamber sweep
    • Pulmonary artery arising more posterior from the left ventricle and seen bifurcating into the left and right pulmonary arteries 
    • Aorta arises anteriorly (at end of sweep) from the right ventricle
  • Transposition of the Great Arteries
    • Apical 4 chamber sweep
    • Pulmonary artery arising more posterior from the left ventricle and seen bifurcating into the left and right pulmonary arteries 
    • Aorta arises anteriorly (at end of sweep) from the right ventricle
  • Transposition of the Great Arteries
    • The aorta and pulmonary artery appear to be parallel to one another
    • The aorta arises anteriorly from the right ventricle
    • The pulmonary artery arises more posteriorly from the left ventricle
  • Transposition of the Great Arteries
    • The aorta and pulmonary artery appear to be parallel to one another
    • The aorta arises anteriorly from the right ventricle
    • The pulmonary artery arises more posteriorly from the left ventricle
    • The pulmonary artery is seen bifurcating into the right and left pulmonary arteries
  • Transposition of the Great Arteries
    • Apical 4 chamber sweep
    • Pulmonary artery arising more posterior from the left ventricle and seen bifurcating into the left and right pulmonary arteries 
    • Aorta arises anteriorly (at end of sweep) from the right ventricle
    • The pulmonary artery is seen bifurcating into the right and left branch pulmonary arteries
  • Transposition of the Great Arteries
    • The aorta and pulmonary artery appear to be parallel to one another
    • The aorta arises anteriorly from the right ventricle
    • The pulmonary artery arises more posteriorly from the left ventricle
    • Normal unobstructed laminar flow out both outflow tracts 
  • Transposition of the Great Arteries
    • The aorta arises anteriorly from the right ventricle
    • There is a small amount of retrograde flow from the PDA into the main pulmonary artery (red flow)
  • Transposition of the Great Arteries
    • PFO with unrestrictive right to left shunting

These are fetal echo examples of D-Transposition of the Great Arteries (D-TGA).

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