Figure 8. Stroke prevention strategy in patients with AF Figure 8. Stroke prevention strategy in patients with AF. AF = atrial fibrillation; HF = heart failure; NOAC = non-vitamin K oral anticoagulant; OAC = oral anticoagulation. *CHA2DS2-VASs score: a congestive HF, hypertension, age ≥75 (doubled), diabetes mellitus, prior stroke or transient ischemic attack (doubled), vascular disease, age 65–74, female. Figure 8. Stroke prevention strategy in patients with AF. AF = atrial fibrillation; HF = heart failure; NOAC = non-vitamin K oral anticoagulant; OAC = oral anticoagulation. *CHA2DS2-VASs score: a congestive HF, hypertension, age ≥75 (doubled), diabetes mellitus, prior… Korean Circ J. 2018 Dec;48(12):1033-1080. https://doi.org/10.4070/kcj.2018.0339