CHA2DS2-VA Score for Atrial Fibrillation Stroke RiskLoading...Age< 65 yo065-74 yo+1≥ 75 yo+2Chronic heart failureNo0Yes+1HypertensionNo0Yes+1Prior stroke, TIA or arterial thromboembolismNo0Yes+2Vascular diseaseNo0Yes+1Diabetes mellitusNo0Yes+1사용 적응증통찰 및 주의사항