Inhibition of the vasoconstrictor action of hypoxia on the pulmonary circulation by drugs.
D000818:Animals; D002415:Cats; D004298:Dopamine / Q000494:pharmacology*; D006632:Histamine / Q000494:pharmacology*; D006935:Hypercapnia / Q000503:physiopathology; D000860:Hypoxia / Q000503:physiopathology*; D009638:Norepinephrine / Q000494:pharmacology*; D010646:Phentolamine / Q000494:pharmacology*; D011652:Pulmonary Circulation / Q000187:drug effects*
D006632:Histamine; D004298:Dopamine; D009638:Norepinephrine; D010646:Phentolamine