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.
Cardiothoracic ultrasound protocol showing B‐lines on lung ultrasound as a sign of congestion, pleural fluid, a typical mitral inflow, and tissue Doppler signals used to calculate the E/e′ ratio, as well as a subcostal view of the IVC. E/e′, E/e′ ratio medially; IVC, inferior vena cava.
