The CHA2DS2-VASc score calculates the stroke risk for patients with atrial fibrillation, possibly better than the CHADS2 score. Click here to use it on MDCalc.com.
It’s basically CHADS-VAS with the two subscripts put on the two letters in the first part that repeat in the second part. A and S are the only two repeating numbers in the whole score. So they get 2 in part 1 and 1 in the 2nd part. Except that the second S means sex, not stroke.
CHF = 1pt
HTN = 1 pt
Age ≥ 75 years = 2 pts
DM = 1 pt
Stroke = 2 pts
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Vascular disease (e.g. PAD, MI, aortic plaque) = 1pt
Age 65-74 years = 1
Sex – Female =1; Male=0
Further Reading