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.
Effects of exogenous noradrenaline on action potential duration alternans. (A) Cycle length relationships of action potential duration (APD) alternans in control conditions (black) and with noradrenaline perfusion (blue). (B) Mean data of alternans threshold in both conditions. Data taken from a 3 × 3 pixel region in the basal left ventricle. Data represent mean ± SEM. Paired Student's t-test; ***p < 0.001. (n = 6 hearts).
