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Radiological appearance of coarctation of the aorta

Last reviewed dd mmm yyyy. Last edited dd mmm yyyy

Authoring team

Features include:

  • abnormal configuration in the region of the aortic knuckle (low, high, flat or double)
  • usually heart size is normal. Occasionally the cardiac outline may show left ventricular hypertrophy and mild enlargement of the left atrium
  • prominence of the ascending aorta
  • a classical appearence is notching of ribs 3 to 8. However this is not seen in children under 5 years of age, and is in any case very rare

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