Conventional ultrasonic signs in the lung

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Taken from "Rapid detection of pneumothorax by ultrasonography in patients with multiple trauma"

Critical Care 2006;10(4):R112-R112.

Published online 1 Aug 2006

PMCID:PMC1751015.

The pleural line (black bold arrow) is a roughly horizontal hyper-echoic line between upper and lower ribs, identified by acoustic shadows (white arrow). Lung-sliding is a forward-and-back movement of visceral pleura against parietal pleura in real-time motion. In time-motion mode, it includes motionless parietal tissues over the pleural line and a homogenous granular pattern below it (right image). Comet-tail artifacts (white bold arrows) are hyper-echoic reverberation artifacts arising from the pleural line, laser-beam-like and spreading up to the edge of the screen.

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