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HAS-BLED Calculator
Estimate major bleeding risk on anticoagulation using the HAS-BLED score.
Hypertension (SBP>160)
No
Yes (+1)
Abnormal renal or liver function
Neither
One (+1)
Both (+2)
Stroke history
No
Yes (+1)
Bleeding history or predisposition
No
Yes (+1)
Labile INR
No
Yes (+1)
Age > 65
No
Yes (+1)
Drugs or alcohol use
Neither
One (+1)
Both (+2)
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