Normal contours of the cardiomediastinum on chest radiography

A.Prof Frank Gaillard et al.

A detailed understanding of the structures that make up the normal contours of the heart and mediastinum (cardiomediastinal contour) on chest radiography is essential if abnormalities are to be detected. 

Frontal view (PA/AP)

Right cardiomediastinal contour

From superior to inferior:

Left cardiomediastinal contour

From superior to inferior:

Lateral view

Anterior cardiomediastinal contour

From superior to inferior: 

Posterior cardiomediastinal contour

From superior to inferior:

  • left atrium and pulmonary veins
  • right atrium
  • inferior vena cava
Chest x-ray
Share article

Article information

rID: 8469
Systems: Chest, Cardiac
Section: Anatomy
Synonyms or Alternate Spellings:
  • Normal cardiomediastinal outline

Support Radiopaedia and see fewer ads

Cases and figures

  • Drag
    Figure 1: cardiomediastinal outlines on PA chest x-ray
    Drag here to reorder.
  • Drag
    Figure 2: cardiomediastinal outlines on lateral chest x-ray
    Drag here to reorder.
  • Drag
    Figure 3: cardiovascular anatomy
    Drag here to reorder.
  • Drag
    Figure 4: cardiovascular anatomy
    Drag here to reorder.
  • Updating… Please wait.
    Loadinganimation

    Alert accept

    Error Unable to process the form. Check for errors and try again.

    Alert accept Thank you for updating your details.