title: Electrocardiographic estimation of pulmonary impairment in chronic obstructive lung disease.
mesh_terms: D000368:Aged; D001991:Bronchitis / Q000503:physiopathology; D002908:Chronic Disease; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000503:physiopathology*; D008297:Male; D008722:Methods; D008875:Middle Aged; D011656:Pulmonary Emphysema / Q000503:physiopathology; D012119:Respiration; D013147:Spirometry; D013223:Statistics as Topic; D014797:Vital Capacity