title: The dynamic nature of left ventricular outflow obstruction in idiopathic hypertrophic subaortic stenosis.
mesh_terms: D000293:Adolescent; D000790:Angiocardiography; D001145:Arrhythmias, Cardiac / Q000503:physiopathology; D006328:Cardiac Catheterization; D005117:Cardiac Complexes, Premature / Q000503:physiopathology; D002302:Cardiac Output; D002312:Cardiomyopathy, Hypertrophic / Q000175:diagnosis / Q000503:physiopathology*; D003287:Contrast Media / Q000009:adverse effects; D003937:Diagnosis, Differential; D005260:Female; D006327:Heart Block / Q000503:physiopathology; D006331:Heart Diseases / Q000175:diagnosis; D006352:Heart Ventricles / Q000503:physiopathology*; D006439:Hemodynamics; D006801:Humans; D006973:Hypertension / Q000503:physiopathology; D008875:Middle Aged
chemical_list: D003287:Contrast Media