title: Aortic Stenosis Gradients and a Case for Quality Improvement.
authors.affiliation: From the Department of Quality and Patient Safety, Boston Medical Center, Boston University School of Medicine, MA; and Institute for Healthcare Improvement, Cambridge, MA. james.moses@bmc.org.
authors.forename: James M
authors.initials: JM
authors.lastname: Moses
mesh_terms: D001021:Aortic Valve / Q000000981:diagnostic imaging*; D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging*; D006328:Cardiac Catheterization / Q000592:standards*; D015150:Echocardiography, Doppler / Q000592:standards*; D061847:Hospitals, High-Volume / Q000592:standards*; D006801:Humans; D010818:Practice Patterns, Physicians' / Q000592:standards*; D058996:Quality Improvement / Q000592:standards*; D019984:Quality Indicators, Health Care / Q000592:standards*
keywords: Editorials; cardiac catheterization; echocardiography; hemodynamics