APICAL LEFT VENTRICULOTOMY IN SUBAORTIC STENOSIS DUE TO A FIBROMUSCULAR HYPERTROPHY.
D006328:Cardiac Catheterization; D006348:Cardiac Surgical Procedures; D002312:Cardiomyopathy, Hypertrophic; D002648:Child; D003251:Constriction, Pathologic; D006331:Heart Diseases; D006801:Humans; D006984:Hypertrophy; D011379:Prognosis; D013903:Thoracic Surgery
CHILD; HEART CATHETERIZATION; HEART DISEASES; HEART SURGERY; IDIOPATHIC HYPERTROPHIC SUBVALVULAR STENOSIS; PROGNOSIS