American University of Beirut (AUB)-HAS2 Cardiovascular Risk IndexLoading...Age, years< 750≥ 75+1Hemoglobin, g/dL≥ 12 g/dL0< 12 g/dL+1History of heart diseaseNo0Yes+1Angina or dyspneaNo0Yes+1Vascular surgeryNo0Yes+1Surgical urgencyElective0Emergency+1适用指征洞见与注意事项