title: Comparative surface potential patterns in obstructive and nonobstructive cardiomyopathy.
mesh_terms: D000200:Action Potentials; D000293:Adolescent; D000328:Adult; D001021:Aortic Valve; D001830:Body Surface Area; D006328:Cardiac Catheterization; D009202:Cardiomyopathies / Q000503:physiopathology*; D002312:Cardiomyopathy, Hypertrophic / Q000503:physiopathology*; D003936:Diagnosis, Computer-Assisted; D004562:Electrocardiography; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D014672:Vectorcardiography