title: Cardiac study shows wide performance gaps.
abstract: Doing it often doesn't mean doing it best, according to a new cardiac survey.
mesh_terms: D015906:Angioplasty, Balloon, Coronary / Q000009:adverse effects / Q000592:standards; D019985:Benchmarking; D002300:Cardiac Care Facilities / Q000592:standards*; D006348:Cardiac Surgical Procedures / Q000009:adverse effects / Q000592:standards*; D001026:Coronary Artery Bypass / Q000009:adverse effects / Q000592:standards; D006302:Health Services Research; D017052:Hospital Mortality; D006801:Humans; D009203:Myocardial Infarction / Q000401:mortality / Q000601:surgery; D011183:Postoperative Complications; D020379:Risk Adjustment; D014481:United States / Q000453:epidemiology