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.
Direct recordings of cardiac sympathetic nerve activity (CSNA) and arterial pressure (AP) in a normal sheep (left panel) and in a sheep with heart failure (right panel). Traces in both panels are (top to bottom) arterial pressure, the frequency of CSNA spikes over threshold (0.2 sec bins), raw CSNA. Time in seconds (s).
