Review
Clinical review: Bedside lung ultrasound in critical care practice
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* Corresponding author: Bélaïd Bouhemad belaid.bouhemad@psl.ap-hop-paris.fr
1 Surgical Intensive Care Unit, Pierre Viars, Department of Anesthesiology and Critical Care, Assistance Publique Hôpitaux de Paris, University Pierre et Marie Curie, Paris 6, France
2 Department of Emergency Medicine, Second Affiliated Hospital of Hangzhou, Zhejiang University, China
Critical Care 2007, 11:205 doi:10.1186/cc5668
Published: 16 February 2007Additional files
An avi movie showing ultrasound pattern of normal lung: pleural line is a roughly horizontal hyperechoic line 0.5 cm below the upper and lower ribs identified by acoustic shadow. motionless and regularly spaced horizontal lines are seen below. They are meaningless and correspond to "artifacts of repetition".
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An avi movie showing B lines 7 mm apart or spaced comet-tail artefacts. These spaced comet-tail artefacts arise from the pleural line and spread up to the edge of screen. These artefacts correspond to thickened interlobular septa at chest computed tomography scan.
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An avi movie showing B lines 3 mm or less apart: contiguous comet-tails arising from the pleural line and spreading up to the edge of screen are present. These artefacts correspond to ground-glass areas on chest computed tomography scan.
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An avi movie showing a cephalocaudal view of consolidated left lower lobe in and pleural effusion. Lung consolidation with air bronchograms, diaphragm and descending aorta are seen.
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An avi movie showing a cephalocaudal view of consolidated left lower lobe with a peripheral abscess. The abscess appears as rounded hypoechoic lesions inside a lung consolidation.
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An avi movie showing a massive pleural effusion enough to be compressive. the lung is seen consolidated and floating in this pleural effusion.
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An avi movie showing a consolitated lung and adjacent pleural effusion with pleural adherences: the pleural effusion is abundant and the lung is seen consolidated and floating in the pleural effusion with pleural adherences.
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An avi movie showing pneumothorax and "lung point". In a patient examined in the supine position with partial pneumothorax, normal lung sliding (left part of the screen) and pneumothoax (absence of lung sliding at right part of the screen) coexist. This boundary region is called the "lung point". It should be noted that lung sliding appears (coming from the left part of the screen) and disappears (absent lung sliding, horizontal lines only are visualised) with inspiration.
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