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.
Five standard views used in critical care ultrasonography (CCUS). Subxiphoid long-axis (SLAX) view (a), subxiphoid inferior vena cava (SIVC) view (b), parasternal long-axis (PLAX) view (c), parasternal short-axis (PSAX) view (d), and apical four-chamber (A4CH) view (e).
