Anechoic fluid collection between parietal and visceral pleural with positive spine sign present.
From: Kruisselbrink R, Chan V, Cibinel GA, et al. I-AIM (Indication, Acquisition, Interpretation, Medical Decision-making) Framework for Point of Care Lung Ultrasound. Anesthesiology 2017; 127:568. DOI:
10.1097/ALN.0000000000001779. Copyright © 2017 American Society of Anesthesiologists. Reproduced with permission from Wolters Kluwer Health. Unauthorized reproduction of this material is prohibited.
