| Abbreviations, acronyms & symbols | |
|---|---|
| AF | = Atrial fibrillation |
| BNP | = Brain natriuretic peptide |
| LVEF | = Left ventricular ejection fraction |
| SD | = Standard deviation |
| SR | = Sinus rhythm |
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.