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.
Electromechanical delays (EMD) in a canine during epicardial anterior (A), epicardial lateral (B) and endocardial (C) pacing as well as during sinus rhythm (D). The electromechanical delays are shorter near the first activated regions and longer for the latest activated ones. The lightening cartoon indicates the paced region.
