1. Unexplained Dyspnea Mayo Clinic Proceedings
DELMAR J. GILLESPIE, M.D., PH.D., BRUCE A. STAATS, M.D. 
Mayo Clinic Proceedings 
Volume 69, Issue 7, Pages (July 1994)
DOI: /S (12)
Copyright © 1994 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Fig. 1
Classic responses to exercise in normal subjects and in patients with various diseases or conditions. A-a DO2 = alveolar-arterial difference in partial pressure of oxygen; Anaer = anaerobic; COPD = chronic obstructive pulmonary disease; Decond = deconditioning; Max = maximal; Mod = moderate; MVV = maximal voluntary ventilation; N = normal; PaO2 = partial pressure of oxygen; Pulm vas = pulmonary vascular disease; VD/VT = ratio of volume of dead space to tidal volume; E max = maximal expired volume per unit time; O2 max = maximal oxygen consumption per unit time.
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1994 Mayo Foundation for Medical Education and Research Terms and Conditions