CHA₂DS₂-VASc Calculator|HealthCalculum
Stroke risk in atrial fibrillation
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What is CHA₂DS₂-VASc?
Stroke risk score for atrial fibrillation patients.Guides anticoagulation decisions.
How to Calculate
Points:CHF(1),HTN(1),Age≥75(2),Diabetes(1),Stroke(2),Vascular(1),Age65-74(1),Female(1).Score≥2 recommends anticoagulation.
Limitations
Use only for non-valvular atrial fibrillation.Balance stroke vs bleeding risk.Consult cardiologist for treatment decisions.
Frequently Asked Questions
When should I anticoagulate?
Score≥2 recommends anticoagulation.Score 1:consider.Score 0:generally not needed.Individualized decision considering bleeding risk.
Which anticoagulant to use?
DOACs(apixaban,rivaroxaban,dabigatran,edoxaban)or warfarin.DOACs preferred in most cases.Choice depends on renal function,drug interactions,and preference.
What is vascular disease?
Includes prior MI,peripheral artery disease,aortic plaque.Increases stroke risk in AF.
Should I stop anticoagulant for procedures?
Depends on procedure type and anticoagulant.Consult doctor.Some procedures can be done without interruption,others require temporary pause.