Lung
August 15th 2023

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 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 https://wikem.org/wiki/Ultrasound:_Lungs https://www.pocus101.com/lung-ultrasound-made-easy-step-by-step-guide/

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? 

  1. A-line
  2. B-line
  3. 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 the references for more information.

 

References

  1. https://wikem.org/wiki/Ultrasound:_Lungs
  2. https://www.pocus101.com/lung-ultrasound-made-easy-step-by-step-guide/

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