Right ventricular obstruction due to anomalous muscle bands.
D000293:Adolescent; D000790:Angiocardiography; D006328:Cardiac Catheterization; D004562:Electrocardiography; D005260:Female; D006325:Heart Atria / Q000000981:diagnostic imaging; D006330:Heart Defects, Congenital / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000503:physiopathology; D006352:Heart Ventricles / Q000002:abnormalities / Q000000981:diagnostic imaging; D006801:Humans; D009206:Myocardium