(1)
Hôpital Ambroise Paré Service de Réanimation Médicale, Boulogne (Paris-West University), France
For performing lung ultrasound in the critically ill, we have counted 12 main signs. Only the first ten are used in the BLUE-protocol (the two others are the dynamic air bronchogram and the lung pulse).
1.
The pleural line
2.
A-lines
3.
Lung sliding
4.
The quad sign
5.
The sinusoid sign
6.
The shred sign
7.
The tissue-like sign