title: Orthocyanosis: a sign of pulmonary arteriovenous malformation.
mesh_terms: D000293:Adolescent; D001165:Arteriovenous Malformations / Q000150:complications*; D003490:Cyanosis / Q000209:etiology*; D005260:Female; D006801:Humans; D011187:Posture; D011651:Pulmonary Artery / Q000002:abnormalities*; D011667:Pulmonary Veins / Q000002:abnormalities*