Case: Small pleural effusion

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-line B-line Z-line   Explanation The arrow is pointing to a B-line. You can see the bright echogenic […]

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-line

B-line

Z-line

 

Explanation

The arrow is pointing to a B-line. 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 references.

 

References

https://wikem.org/wiki/Ultrasound:_Lungs

Lung Ultrasound Made Easy: Step-By-Step Guide

 

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