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.
Clinical course of worsening heart failure. After each episode of worsening heart failure (WHF), the left ventricular function does not completely recover to the level before WHF, and the interval between each episode of WHF becomes shorter, resulting in more frequent heart failure hospitalization or urgent heart failure visit. LV, left ventricle.
