Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2021 Apr 13;14:961–967. doi: 10.2147/JPR.S306696

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© 2021 Li et al.

This work is published and licensed by Dove Medical Press Limited. The full terms of this license are available at https://www.dovepress.com/terms.php and incorporate the Creative Commons Attribution – Non Commercial (unported, v3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). By accessing the work you hereby accept the Terms. Non-commercial uses of the work are permitted without any further permission from Dove Medical Press Limited, provided the work is properly attributed. For permission for commercial use of this work, please see paragraphs 4.2 and 5 of our Terms (https://www.dovepress.com/terms.php).

PMC Copyright notice

The sonograms showing the local anesthetic spread under paramedian sagittal view and paramedian transverse view. (A) Paramedian sagittal sonogram during real-time ultrasound-guided modified QL block. The target injection site is below the LAL and between the investing fascia of QL muscle and the ATF. During the injection, the apparent downward displacement of diaphragm and the ATF was observed. (B) The lunar-shaped spread of LA along the diaphragm into the T12 paravertebral space was observed under paramedian transverse view at the level of T12-L1 immediately after injection.

Abbreviations: QL, quadratus lumborum; LAL, lateral arcuate ligament; LA, local anesthetic; ATF, anterior thoracolumbar fascia.