CHA2 DS2 VASC CHA2DS2 VASc Clinical Decision Tool Estimates stroke risk factors in atrial fibrillation using the CHA₂DS₂-VASc score. Risk Factors Congestive heart failure / LV dysfunction +1 Hypertension +1 Age 75 years or older +2 Diabetes mellitus +1 Previous stroke / TIA / thromboembolism +2 Vascular disease +1 Age 65–74 years +1 Female sex +1 Calculate CHA2DS2 VASc
