Probe location (zone L3): 4th-10th intercostal spaces, between the anterior & posterior axillary lines.
Transducer Type & Placement
Phased Array or Curvilinear
The footprint is perpendicular to the skin with the marker pointing cephalad
Start at the lower edge of zone L3 and slide the transducer cephalad to detect the interface between the diaphragm and pleural space
Structures to be identified
Chest Wall Diaphragm Lung
Pleural effusion Liver or spleen
Sonographic Findings
Anechoic space separating the parietal and visceral pleura Note the lung movement with respiration (Jelly Fish Sign)
