HAS-BLED

A novel user-friendly score (HAS-BLED) to assess one-year risk
of major bleeding in atrial fibrillation patients:
The Euro Heart Survey

Pisters R., , Lane D., Nieuwlaat R., de Vos B., Crijns H.,  and Lip G.

Chest 2010. doi: 10.1378/chest.10-0134

Conclusion:

"This simple, novel bleeding risk score (acronym HAS-BLED) provides a practical tool to assess the individual bleeding risk of ‘real world’ AF patients, potentially supporting clinical decision-making regarding antithrombotic therapy in AF patients."

http://chestjournal.chestpubs.org/content/early/2010/03/18/chest.10-0134.full.pdf+html

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HAS-BLED

http://www.mdcalc.com/has-bled-score-for-major-bleeding-risk/