title: Some observations on the vectorcardiographic picture in chronic respiratory insufficiency: correlations of the VCG, ECG and intracardiac potentials.
mesh_terms: D006332:Cardiomegaly / Q000503:physiopathology; D002908:Chronic Disease; D004562:Electrocardiography; D006321:Heart / Q000503:physiopathology*; D006801:Humans; D012131:Respiratory Insufficiency / Q000503:physiopathology*; D014672:Vectorcardiography