Normal position of hemidiaphragms on chest radiography

The normal position of hemidiaphragms on chest radiography reflects the presence of the heart and subdiaphragmatic organs. Therefore, the hemidiaphragms are not at the same level on frontal erect inspiratory chest radiographs, but are usually within one rib intercostal space height (~2 cm) of each other. The left hemidiaphragm is usually lower than the right.

If the left hemidiaphragm is higher than the right or the right is higher than the left by more than 3 cm, one of the many causes of diaphragmatic elevation should be considered.

Chest

Article information

rID: 9138
System: Chest
Section: Anatomy
Synonyms or Alternate Spellings:
  • Normal position of hemidiaphragms on CXR
  • Normal position of hemidiaphragms on chest x-ray
  • Normal position of hemidiaphragm on chest radiography
  • Normal position of diaphragm on chest radiography

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Cases and figures

  • Normal diaphragm height
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  • Normal diaphragm height on an adult female
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