A method of study of the reactivity of the lung vessels in humans.
D000109:Acetylcholine / Q000494:pharmacology; D002021:Buffers; D006328:Cardiac Catheterization; D006801:Humans; D006863:Hydrogen-Ion Concentration; D009638:Norepinephrine / Q000494:pharmacology; D011651:Pulmonary Artery / Q000187:drug effects*; D011652:Pulmonary Circulation; D012039:Regional Blood Flow / Q000187:drug effects; D014692:Ventilation-Perfusion Ratio / Q000187:drug effects
D002021:Buffers; D000109:Acetylcholine; D009638:Norepinephrine