Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

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.

View full-text article in PMC

. 2019 Oct 30;37(1):41–60. doi: 10.1007/s12325-019-01128-9

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s) 2019

Open AccessThis article is distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/), which permits any noncommercial use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made.

PMC Copyright notice

Fig. 4 — Improvement in a dyspnea, b P_0.1 (a surrogate measure of inspiratory neural drive), and c V_E with administration of oxygen in patients with moderate to severe COPD and mild exertional oxygen desaturation, not qualifying for ambulatory home oxygen. RA room air, P_0.1 airway occlusion pressure, V_E minute ventilation.

Reprinted with permission of the American Thoracic Society. Copyright © 2019 American Thoracic Society. O’Donnell DE, Bain DJ, Webb KA. 1997. Factors contributing to relief of exertional breathlessness during hyperoxia in chronic airflow limitation. Am J Respir Crit Care Med. 155(2):530–535. The American Journal of Respiratory and Critical Care Medicine is an official journal of the American Thoracic Society