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

. 2014 Aug 28;2(8):e12122. doi: 10.14814/phy2.12122

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

© 2014 The Authors. Physiological Reports published by Wiley Periodicals, Inc. on behalf of the American Physiological Society and The Physiological Society.

This is an open access article under the terms of the Creative Commons Attribution License, which permits use, distribution and reproduction in any medium, provided the original work is properly cited.

PMC Copyright notice

Figure 3. — Box and whisker plots of HR (above) and stroke volume index (below) at rest, and during progressive exercise shown separately for normal and hyperkinetic cardiac output groups of POTS patients; and for patients with chronic fatigue.