如何计算C H A D S V A Sc
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CHADS₂-VASc score predicts stroke risk in atrial fibrillation patients. It guides anticoagulation decisions and risk stratification.
分步指南
- 1Assign points for: CHF, Hypertension, Age ≥75 (2 pts), Diabetes, Stroke/TIA/thromboembolism, Vascular disease, Age 65-74, Sex (female)
- 2Total score 0-9; higher indicates more stroke risk
- 3Score guides anticoagulation recommendations
例题解析
输入
Age 72, HTN, CHF, no diabetes, female
结果
CHADS₂-VASc = 4 (moderate-high risk)
Anticoagulation likely recommended
常见错误注意事项
- ✕Confusing CHADS₂-VASc with CHADS₂ (different scoring)
- ✕Not updating score when risk factors change
常见问题
Why age 75 scores double?
Age 75+ shows dramatically increased stroke risk, warranting stronger anticoagulation recommendations.
What score means no anticoagulation needed?
Score 0 males and score 1 females may not need anticoagulation; all others should be considered.
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