Fluid color sign

Last revised by David Carroll on 30 Mar 2019

Citation, DOI, disclosures and article data

Citation:

Venkatesh M, Carroll D, Weerakkody Y, et al. Fluid color sign. Reference article, Radiopaedia.org (Accessed on 19 Apr 2024) https://doi.org/10.53347/rID-30779

DOI:

https://doi.org/10.53347/rID-30779

Permalink:

https://radiopaedia.org/articles/30779

rID:

30779

Article created:

3 Sep 2014, Manchikanti Venkatesh

Disclosures:

At the time the article was created Manchikanti Venkatesh had no recorded disclosures.

View Manchikanti Venkatesh's current disclosures

Last revised:

30 Mar 2019, David Carroll ◉

Disclosures:

At the time the article was last revised David Carroll had no recorded disclosures.

View David Carroll's current disclosures

Revisions:

4 times, by 4 contributors - see full revision history and disclosures

Systems:

Chest

Sections:

Signs

Tags:

pleural effusion

Synonyms:

Fluid color sign

The fluid color sign is a diagnostic sign to differentiate a pleural effusion from pleural thickening by means of color Doppler ultrasound. In the case of pleural effusion a color signal is seen in the pleural fluid during respiratory and cardiac movement, whereas this color signal is not seen in the case of pleural thickening.