title: The clockwise horizontal plane T loop: a study of 73 patients.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000787:Angina Pectoris / Q000503:physiopathology; D000790:Angiocardiography; D001022:Aortic Valve Insufficiency / Q000503:physiopathology; D001024:Aortic Valve Stenosis / Q000503:physiopathology; D006328:Cardiac Catheterization; D006332:Cardiomegaly / Q000503:physiopathology; D009202:Cardiomyopathies / Q000503:physiopathology; D002932:Cineangiography; D003327:Coronary Disease / Q000503:physiopathology; D005260:Female; D006329:Heart Conduction System / Q000503:physiopathology; D006330:Heart Defects, Congenital / Q000503:physiopathology; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D008946:Mitral Valve Stenosis / Q000503:physiopathology; D014672:Vectorcardiography