title: [Respiratory insufficiency in obstructive chronic lung diseases. V. Electrocardiographic changes].
mesh_terms: D002908:Chronic Disease; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D011656:Pulmonary Emphysema / Q000503:physiopathology; D012131:Respiratory Insufficiency / Q000209:etiology / Q000503:physiopathology*
vernacular_title: Insuficiência respiratória nas pneumopatias chônicas obstrutivas. V. Alterações electrocardiográficas.