PLAPS and Pleural Effusion

  • Daniel A. Lichtenstein


In the usual work of a physician, knowing how to detect a pleural effusion is a conclusion. The interest of the BLUE-protocol is to specify what to do with this information (redundant here, informative there) and how to link it to a cause.


Pleural Effusion Pericardial Effusion Pleural Fluid Sinusoid Sign Visceral Pleura 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Supplementary material

Video 16.1

Minute pleural effusion and the “butterfl y syndrome.” This video clip shows a pleural effusion, minute but indisputable: the quad sign and sinusoid sign are clearly displayed. Those who were reading the note in Chap. 11 regarding the sub-B-lines will not be confused. When the question is “Where is the pleural line?” many novices show the lung line, as if they were attracted, hypnotized by this brilliant and dynamic line. On the contrary, the real pleural line is this discreet line located at its standardized location, half a centimeter in this adult below the rib line, and, mostly, standstill. Reminder, the pleural line is the parietal pleura, always (MOV 2502 kb)


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Copyright information

© Springer International Publishing Switzerland 2016

Authors and Affiliations

  • Daniel A. Lichtenstein
    • 1
  1. 1.Hôpital Ambroise Paré Service de Réanimation MédicaleBoulogne (Paris-West University)France

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