Presentation
ICU patient
From the case:
Deep sulcus sign
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/13267/annotated_viewer_json?lang=us"}
The right costophrenic angle is abnormally deepened when the pleural air collects laterally.
Case Discussion
A pneumothorax in a supine patient demonstrated by deep sulcus sign on the right.