Non valvular obstruction of the ventriculo-aortic pathway.
D000790:Angiocardiography; D001018:Aortic Diseases / Q000175:diagnosis; D001024:Aortic Valve Stenosis / Q000175:diagnosis; D006328:Cardiac Catheterization; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis* / Q000601:surgery; D002648:Child; D002675:Child, Preschool; D002932:Cineangiography / Q000379:methods; D003937:Diagnosis, Differential; D004562:Electrocardiography; D006337:Heart Murmurs; D006338:Heart Neoplasms / Q000175:diagnosis; D006352:Heart Ventricles; D006801:Humans; D008722:Methods; D011183:Postoperative Complications; D012207:Rhabdomyoma / Q000175:diagnosis