Figure 1. EKG showing atrial fibrillation with rapid ventricular response (ventricular rate: 150 beats per minute).
EKG, electrocardiogram
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.