Effect of the Valsalva experiment upon arterial pCO2, O2, saturation, and pH in 45 patients with obstructive pulmonary emphysema.
D001769:Blood; D019069:Cell Respiration; D004646:Emphysema; D011656:Pulmonary Emphysema / Q000502:physiology*; D012119:Respiration; D012143:Respiratory Physiological Phenomena
BLOOD; EMPHYSEMA, PULMONARY/physiology; RESPIRATION