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Internal Medicine

Public·45 members

Comet Tail Artifact/B Lines

• Vertical lines, extending from the pleural line to the edge of the screen without fading

• Synchronized with lung sliding

• When present they will usually overshadow the A lines

• Represents thickening interlobular septa and extravascular lung water as in alveolar interstitial disease (pulmonary edema, ARDS...)

• Their presence mostly rules out pneumothorax


D B T
A P
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