title: Electrocardiographic diagnosis of tachycardia and obstructive lung disease.
mesh_terms: D000368:Aged; D006332:Cardiomegaly / Q000175:diagnosis; D004562:Electrocardiography; D006325:Heart Atria; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000175:diagnosis*; D008297:Male; D013610:Tachycardia / Q000175:diagnosis*