• Interrupted IVC
    • Linear structure seen traveling posterior to aorta (represents hemi-azygous vein)
    • Interrupted IVC with hemi-azygous continuation
  • Interrupted IVC
    • Linear structure seen running posterior to aorta (represents hemi-azygous vein)
    • Interrupted IVC with hemi-azygous continuation 
  • Interrupted IVC
    • Spectral Doppler interrogation of hemi-azygous vein
    • Spectral Doppler consistent with venous Doppler pattern