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Walking man sign (chest x-ray)

The walking man sign is seen on a lateral chest radiograph and is a sign of left atrial enlargement. It results from posterior displacement of the left main bronchus such that it no longer overlaps the right bronchus. The left and right bronchus thus appear as an inverted 'V', mimicking the legs of a walking man.

Inspired signs
Chest

Article information

rID: 20321
System: Cardiac
Section: Signs
Tag: heart
Synonyms or Alternate Spellings:
  • Walking man sign - lateral chest radiograph

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Cases and figures

  • Figure 1: diagram
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  • Figure 2: annotated image
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