title: ACE aims to help lower performing facilities.
abstract: Letters may be subtle reminder of potential consequences down the road. Recipients "should make strenuous efforts to be self-critical and improve and to ask for help," expert says. Greatest challenge in performance improvement is getting essential people on board.
mesh_terms: D016507:Cardiology Service, Hospital / Q000592:standards*; D006801:Humans; D011785:Quality Assurance, Health Care / Q000458:organization & administration*; D012952:Societies; D014481:United States