Pulmonary - Lung Point: Pneumothorax
Caption
Trauma code to the waiting room... 20 y/o male stabbed to the left chest in the midaxillary line. Patient thrown in a wheelchair and pushed to the resuscitation room and POCUS performed immediately revealing this image: the lung sliding disappearing revealing an area without lung slide. Moved up one rib space to the apex, no lung slide at all. This junction of slide/no slide is the lung point and its pathognomonic for pneumothorax. It represents the exact point where air begins to separate the parietal from visceral pleura, aka the junction of where we normally see the "ants marching" or the "shimmering" aka the lung slide. This is highly specific. Don't be fooled when you see the sliding with decreased sliding around it. You're looking at a pneumothorax.