Figure 2.
Repetitive cycle of varying atrial activation patterns with ventricular pacing (A–C), with transient recurrence of eccentric activation in the first paced beat after intermittent VA block during left ventricular pacing (D).
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.