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Vol. 42. Issue 8.
Pages e19 (November 2018)
Vol. 42. Issue 8.
Pages e19 (November 2018)
Images in Intensive Medicine
DOI: 10.1016/j.medine.2018.07.004
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Basic sign in lung echography. Liquid and air bronchogram: Differentiation
Signos básicos en ecografía pulmonar. Broncograma líquido y broncograma aéreo: diferenciación
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M. Montero Baladía, M. Arroyo Diez
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martaarroyo84@hotmail.com

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, O. Badallo Areválo
Medicina Intensiva, Hospital Universitario de Burgos, Burgos, Spain
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We hereby present two cases of lung ultrasound in two patients admitted to the ICU with respiratory failure due to ARDS who remained on mechanical ventilation for more than seven days. Fig. 1 shows the “fluid bronchogram” sign (arrows) consisting of ramified linear images that correspond to distended bronchi filled with fluid and lack of air over hypoechogenic pulmonary parenchyma and simulate blood vessels but distinguish from them by having a wall (hyperechogenic) and lack of Doppler signal. It suggests pulmonary atelectasis due to central airway obstruction (CAO). Fig. 2 shows pulmonary parenchyma with hyperechogenic dots representative of air inside the bronchus. It is the “air bronchogram” sign. In the appropriate clinical context, it is indicative of infectious lung condensation (mobile bronchogram) or compression atelectasis (static bronchogram).

Figure 1.

Lung ultrasound showing hypoechogenic pleural effusion (PE), liver (L), and pulmonary parenchyma (PP) with the fluid bronchogram sign (arrows) where the bronchi show lack of air inside.

(0.08MB).
Figure 2.

Lung ultrasound showing hypoechogenic pleural effusion (PE), liver (L), and pulmonary parenchyma (PP) with the air bronchogram sign (arrows) where the air-filled bronchi look like dark lines inside one lung consolidation.

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Please cite this article as: Montero Baladía M, Arroyo Diez M, Badallo Areválo O. Signos básicos en ecografía pulmonar. Broncograma líquido y broncograma aéreo: diferenciación. Med Intensiva. 2018;42:e19.

Copyright © 2017. Elsevier España, S.L.U. and SEMICYUC
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