Supine pneumothorax (deep sulcus sign)

Case contributed by Andrew Dixon
Diagnosis certain

Presentation

Post cardiac surgery in ICU.

Patient Data

Age: 70 years
Gender: Male

Intubated supine patient with left sided deep sulcus sign (pronounced lucency extending inferiorly within the left costophrenic recess) indicating a sizable pneumothorax. The left pleural edge is visible approximately 1 cm in from the inner aspect of the left lateral ribs. 

Case Discussion

Example of a left sided deep sulcus sign of pneumothorax in a supine patient. 

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