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 Sep 9;10(5):204–219. doi: 10.5492/wjccm.v10.i5.204

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

©The Author(s) 2021. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article that was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution NonCommercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See: http://creativecommons.org/Licenses/by-nc/4.0/

PMC Copyright notice

Inferior vena cava size in M-mode. Of 1-5 MHz phased array probe with probe marker facing cephalad, subcostal location, inferior vena cava (IVC) visualized in sagittal plane. M-mode line centered on IVC just inferior to hepatic vein inflow. IVC measured in this M-mode image at 1.70 cm maximally and 0.68 cm minimally.