Figure 4.
Averaged ECGs. Examples of averaged ECGs from control (A) and chronic obstructive sleep apnoea rats, moderate (B) and severe (C). P, QRS and T waves are labelled.
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.