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.
Action potential duration oscillation and cycle length. Atrial fibrillation patients show marked action potential duration oscillations (alternans at slow rates transitioning to complex oscillations at faster rate) whereas controls show action potential duration alternans only at very short cycle length. Adapted with permission from Narayan et al.7
