Volume 113, Issue 4, Pages 1028-1033 (April 1998) Effects of Positive End-Expiratory Pressure on Oscillated Flow Rate During High- Frequency Chest Compression Ryan J. Perry, BSc, Godfrey C.W. Man, MD, FCCP, Richard L. Jones, PhD, FCCP CHEST Volume 113, Issue 4, Pages 1028-1033 (April 1998) DOI: 10.1378/chest.113.4.1028 Copyright © 1998 The American College of Chest Physicians Terms and Conditions
FIGURE 1 Diagram of the closed-circuit spirometry system. Arrows represent the direction of airflow. See text for definition of abbreviations. CHEST 1998 113, 1028-1033DOI: (10.1378/chest.113.4.1028) Copyright © 1998 The American College of Chest Physicians Terms and Conditions
FIGURE 2 Effects of HFCC and HFCC+PEEP on EELV in (top, A) normal subjects and (bottom, B) COPD patients. The mean FRC is represented by the solid line and RV by the dotted line. Asterisk=p≤0.01. Values are mean±SEM. CHEST 1998 113, 1028-1033DOI: (10.1378/chest.113.4.1028) Copyright © 1998 The American College of Chest Physicians Terms and Conditions
FIGURE 3 Effects of HFCC and HFCC + PEEP on V ˙ OSC in (top, A) normal subjects and (bottom, B) COPD patients. Asterisk=ps0.01. Values are mean±SEM. CHEST 1998 113, 1028-1033DOI: (10.1378/chest.113.4.1028) Copyright © 1998 The American College of Chest Physicians Terms and Conditions