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Med Ultrason. 2018 Aug 30;20(3):379-384. doi: 10.11152/mu-1573.

A common misunderstanding in lung ultrasound: the comet tail artefact.

Author information

1
Acute and Emergency Care Centre, Khoo Teck Puat Hospital, Singapore Yong Loo Lin School of Medicine, National University of Singapore Lee Kong Chian School of Medicine, National Technological University, Singapore.
2
Department of Internal Medicine, Krankenhaus Märkisch Oderland, Strausberg/Wriezen, Germany.
3
Caritas Krankenhaus Bad Mergentheim, Germany, Ultrasound Department, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China. Christoph.dietrich@ckbm.de.

Abstract

The comet tail artefact is probably one of the most commonly and imprecisely used to describe vertical artefacts found in lung ultrasound. Two distinct artefacts are commonly observed: the lung comets and the B-lines. Both artefacts differ with regard to generation mechanism and clinical significance. This review explores the current understanding and use of these two artefacts in lung ultrasound and suggests how to avoid the pitfalls related to confusing comet tail artefacts with other vertical artefacts.

PMID:
30167593
DOI:
10.11152/mu-1573
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