Because the STS score and the SYNTAX score Table 18. Continued Anatomic Setting COR LOE References Survivors of sudden cardiac death with presumed ischemia- mediated VT PCI I C (1003) No anatomic or physiological criteria for revascularization *In patients with multivessel disease who also have diabetes mellitus, it is reasonable to choose CABG (with LIMA) over PCI30,991,1005 1011 (Class IIa; LOE: B). CABG indicates coronary artery bypass graft; CAD, coronary artery disease; COPD, chronic obstructive pulmonary disease; COR, class of recommendation; EF, ejection fraction; LAD, left anterior descending; LIMA, left internal mammary artery; LOE, level of evidence; LV, left ventricular; N/A, not available; PCI, percutaneous coronary intervention; SIHD, stable ischemic heart disease; STEMI, ST-elevation myocardial infarction; STS, Society of Thoracic Surgeons; SYNTAX, Synergy between Percutaneous Coronary Intervention with TAXUS and Cardiac Surgery; TIMI, Thrombolysis In Myocardial Infarction; UA/NSTEMI, unstable angina/non ST-elevation myocardial infarction; UPLM, unprotected left main disease; and VT, ventricular tachycardia. Table 19. 