Figure 1.
Serial 12-lead electrocardiograms at the time of stroke show atrial fibrillation (A), which changed to sinus rhythm 5 months later (B). During sinus rhythm, P wave was biphasic in lead V1.
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.