A 45-year-old female presented with dyspnea and cough for 5 days.
A POCUS lung ultrasound was performed which revealed a small pleural effusion. The image below was acquired in zone R1.
What is the arrow pointing to?
A. A-line
B. B-line
C. Z-line
The arrow is pointing to a B-line.
Explanation
You can see the bright echogenic line extend all the way to the full depth of the lung field. A Z-line would not extend all the way. See the references for more information.
References
