CHA₂DS₂-VASc Score Calculator
No anticoagulation required.
Risk Breakdown Reference
| Score | Annual Risk % | Clinical Action |
|---|---|---|
| 0 | 0% | No therapy |
| 1 | 1.3% | Consider Anticoagulation |
| 2 | 2.2% | Anticoagulation Recommended |
| 3 | 3.2% | Anticoagulation Recommended |
| 4+ | 4.0% – 15.2% | Strongly Recommended |
When managing an irregular heart rhythm like atrial fibrillation, understanding your personal risk profile is the first step toward preventing serious complications like a stroke. This clinical tool helps medical professionals categorize patients based on specific physical attributes and medical history to determine if blood-thinning medication is necessary.
How the Assessment Works
The system assigns points based on several key factors. Generally, a higher total indicates a greater likelihood of a thromboembolic event.
Age Matters: Individuals over 65 receive points, with those over 75 being in the highest risk tier.
Vascular Condition: History of heart attacks or arterial disease contributes to the total.
Existing Ailments: Chronic conditions like high blood pressure or diabetes are significant weighted indicators.
Previous Events: A history of “mini-strokes” or full neurological episodes carries the most weight in the calculation.
