Figure 1.
ECGs of this patient. (A) Regular tachycardia. (B) Regularly irregular tachycardia. (C) Sinus rhythm. There were no delta waves.
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.