title: Cyanosis: pathophysiology and differential diagnosis.
mesh_terms: D002245:Carbon Dioxide / Q000097:blood; D003490:Cyanosis / Q000209:etiology* / Q000503:physiopathology; D006330:Heart Defects, Congenital / Q000175:diagnosis / Q000503:physiopathology; D006331:Heart Diseases / Q000175:diagnosis / Q000503:physiopathology; D006439:Hemodynamics; D006454:Hemoglobins; D006455:Hemoglobins, Abnormal; D006801:Humans; D006863:Hydrogen-Ion Concentration; D000860:Hypoxia / Q000175:diagnosis / Q000503:physiopathology; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000175:diagnosis / Q000503:physiopathology; D008103:Liver Cirrhosis / Q000175:diagnosis / Q000503:physiopathology; D008171:Lung Diseases / Q000175:diagnosis; D008173:Lung Diseases, Obstructive / Q000175:diagnosis / Q000503:physiopathology; D008708:Methemoglobinemia / Q000175:diagnosis / Q000503:physiopathology; D010005:Osteoarthropathy, Secondary Hypertrophic / Q000209:etiology; D010100:Oxygen / Q000097:blood*; D011086:Polycythemia / Q000209:etiology; D012119:Respiration
chemical_list: D006454:Hemoglobins; D006455:Hemoglobins, Abnormal; D002245:Carbon Dioxide; D010100:Oxygen