Left axis deviation in children.
D001017:Aortic Coarctation / Q000503:physiopathology; D001024:Aortic Valve Stenosis / Q000503:physiopathology; D002675:Child, Preschool; D002908:Chronic Disease; D004374:Ductus Arteriosus, Patent / Q000503:physiopathology; D004562:Electrocardiography; D006326:Heart Auscultation; D006330:Heart Defects, Congenital / Q000503:physiopathology*; D006345:Heart Septal Defects, Ventricular / Q000503:physiopathology; D006801:Humans; D007223:Infant; D008171:Lung Diseases / Q000503:physiopathology; D011693:Purpura / Q000503:physiopathology; D014188:Transposition of Great Vessels / Q000503:physiopathology; D014262:Tricuspid Valve Insufficiency / Q000503:physiopathology; D014264:Tricuspid Valve Stenosis / Q000503:physiopathology