Mechanisms of Physical Activity Limitation in Chronic Lung Diseases
Figure 3
Mean minute ventilation and cardiac output during exercise in chronic lung diseases. Minute ventilation () and cardiac output as a function of oxygen uptake at rest and during exercise in patients with COPD (a and b), ILD (c and d), PVD (e and f), and healthy subjects (□). Adapted with permission from Agusti et al., 1997 [43].
