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HAS-BLED Score for Major Bleeding Risk

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Step 1 of 9 11%

Hypertension *

Step 1 of 9

Renal disease *

Step 2 of 9

Liver disease *

Step 3 of 9

Stroke history *

Step 4 of 9

Prior major bleeding or predisposition to bleeding *

Step 5 of 9

Labile INR *

Step 6 of 9

Age >65 *

Step 7 of 9

Medication usage predisposing to bleeding *

Step 8 of 9

Alcohol use *

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    Pisters R, Lane DA, Nieuwlaat R, de Vos CB, Crijns HJ, Lip GY. A novel user-friendly score (HAS-BLED) to assess 1-year risk of major bleeding in patients with atrial fibrillation. Chest. 2010;138(5):1093-1100.
    Lip GY, Frison L, Halperin JL, Lane DA. Comparative validation of a novel risk score for predicting bleeding risk in anticoagulated patients with atrial fibrillation. J Am Coll Cardiol. 2011;57(2):173-180.
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