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.
Representative tracings of expiratory airflow and airway pressure in one subject. Spontaneous maximum expiratory effort after a paced breath (far left panel), SCS after a paced breath (maneuver #1), SCS after a maximum inspiratory effort during a paced breath (maneuver #2), and SCS after a maximum inspiratory effort during a paced breath and subsequent maximum expiratory effort in conjunction with SCS (maneuver #3). See text for further explanation.
