Physical Activity and Symptoms in Pulmonary Arterial Hypertension Lea Ann Matura, PhD, Haochang Shou, PhD, Jason S. Fritz, MD, K. Akaya Smith, MD, Anjali Vaidya, MD, Diane Pinder, BS, Christine Archer-Chicko, MSN, CRNP, Danielle Dubow, MSN, CRNP, Harold I. Palevsky, MD, Marilyn S. Sommers, PhD, Steven M. Kawut, MD  CHEST  Volume 150, Issue 1, Pages 46-56 (July 2016) DOI: 10.1016/j.chest.2016.02.633 Copyright © 2016 American College of Chest Physicians Terms and Conditions

Figure 1 Accelerometer. CHEST 2016 150, 46-56DOI: (10.1016/j.chest.2016.02.633) Copyright © 2016 American College of Chest Physicians Terms and Conditions

Figure 2 Sample activity diary. Subjects shade in the corresponding blocks when they were sleeping. A= alcohol; E= exercise; M= medication. CHEST 2016 150, 46-56DOI: (10.1016/j.chest.2016.02.633) Copyright © 2016 American College of Chest Physicians Terms and Conditions

Figure 3 Single day accelerometry data from a patient with World Health Organization functional class II pulmonary arterial hypertension. CHEST 2016 150, 46-56DOI: (10.1016/j.chest.2016.02.633) Copyright © 2016 American College of Chest Physicians Terms and Conditions

Figure 4 Comparison of average accelerometry counts per minute (cpm) and physical fatigue and mental fatigue levels measured by the Multidimensional Fatigue Inventory (MFI) obtained from 2 subjects. CHEST 2016 150, 46-56DOI: (10.1016/j.chest.2016.02.633) Copyright © 2016 American College of Chest Physicians Terms and Conditions