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Fig. 3 | World Journal of Emergency Surgery

Fig. 3

From: Diagnostic point-of-care ultrasound (POCUS) for gastrointestinal pathology: state of the art from basics to advanced

Fig. 3

POCUS using a high-frequency linear probe for a gas-filled colon showing a reverberation artefact. This occurs when ultrasound waves bounce between the transducer and the gas. The gas is a very hyperechoic white line (yellow arrow). The reverberation lines (white arrows) represent the repetition of the reflective waves. The density of these lines becomes less as they go deeper while the distances between them are equal

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World Journal of Emergency Surgery

ISSN: 1749-7922