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.
Study flow. HFpEF, heart failure with preserved ejection fraction; JASPER, Japanese Heart Failure Syndrome with Preserved Ejection Fraction Registry; LVEF, left ventricular ejection fraction; NARA‐HF, Nara Registry and Analyses for Heart Failure.
