title: Electrocardiographic changes during the chronic respiratory insufficiency.
mesh_terms: D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000150:complications; D002908:Chronic Disease; D004562:Electrocardiography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D012131:Respiratory Insufficiency / Q000150:complications / Q000503:physiopathology*