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.
Typical changes in breathing rate and the ratio between exhale time (Tex) to inhale time (Tin) during a 15-minute session (#20) calculated from data stored in the patient's device, and uploaded to a Web-based reporting system used in research.
