Moreover, where guidelines leave gaps (ie, unaddressed applications), AUCs can provide additional clinical guidance based on the best Table 3. Associated Guidelines and Statements Document Reference(s) Organization Publication Year Guidelines Chronic Stable Angina: 2007 Focused Update (19) ACCF/AHA 2007 Valvular Heart Disease (20) ACCF/AHA 2008 Assessment of Cardiovascular Risk in Asymptomatic Adults (5) ACCF/AHA 2010 Coronary Artery Bypass Graft Surgery (9) ACCF/AHA 2011 Percutaneous Coronary Intervention (10) ACCF/AHA/SCAI 2011 Secondary Prevention and Risk Reduction Therapy for Patients With Coronary and Other Atherosclerotic Vascular Disease Statements NCEP ATP III Implications of Recent Clinical Trials (18, 24) NHLBI 2004 National Hypertension Education Program (JNC VII) (17) NHLBI 2004 Referral, Enrollment, and Delivery of Cardiac Rehabilitation/Secondary Prevention Programs at Clinical Centers and Beyond: A Presidential Advisory From the AHA ACCF indicates American College of Cardiology Foundation; AHA, American Heart Association; ATP III, Adult Treatment Panel 3; JNC VII, The Seventh Report of the Joint National Committee on Prevention, Detection, Evaluation, and Treatment of High Blood Pressure; NHLBI, National Heart, Lung and Blood Institute; and SCAI, Society for Cardiovascular Angiography and Interventions. available clinical evidence and use a prospective, expert consensus methodology.16 Specifically, AUCs provide de- tailed indications for testing and procedures to aid clinical decision making, categorizing each indication as appropriate, uncertain, or inappropriate. Thus, ACCF AUCs provide an additional means to identify candidates for testing or proce- dures as well as those for whom they would be inappropriate or for whom the optimal approach is uncertain. Inappropriate candidates are those for whom compelling evidence indicates that testing is not indicated or, in some cases, results in reduced accuracy. Uncertain indications are those with either published evidence or lack of expert consensus on testing use. 