EBMcalc Logo
   INTRO    EQUATIONS    CRITERIA    DECISION TREES    CONVERTERS    SPECIALTIES    OPTIMIZERS    MATHCALC    EHR CONNECT    REFS    SEARCH    NEW!
 
 
  HAS-BLED Bleeding Risk Score

 

Hypertension (1 point)

Abnormal liver function (1 point)

Abnormal renal function (1 point)

Stroke (1 point)

Bleeding tendency or predisposition (1 point)

Labile INRs in patients taking warfarin (1 point)

Elderly: age greater than 65 years (1 point)

Drugs: concomitant antiplatelet agent(s) or NSAIDS (1 point)

Drugs: alcohol abuse (1 point)

 
Total Criteria Point Count:
 
     

 
  HAS-BLED Score Interpretation

 
0 points: 1.13 bleeds per 100 patient-years
1 point: 1.02 bleeds per 100 patient-years
2 points: 1.88 bleeds per 100 patient-years
3 points: 3.74 bleeds per 100 patient-years
4 points: 8.70 bleeds per 100 patient-years
5 to 9 points: Insufficient data (high risk)

 

 
References
  1. Lip GY. Implications of the CHA(2)DS(2)-VASc and HAS-BLED Scores for thromboprophylaxis in atrial fibrillation. Am J Med. 2011 Feb;124(2):111-4. PMID: 20887966 PubMed Logo

 
Associated Medical Subject Headings [MeSH] Terms
 
         Administration,   Age Factors,   Aged,   Alcohol Drinking,   Anticoagulants,   Atrial Fibrillation,   Diabetes Complications,   Drug Administration Schedule,   Female,   Heart Failure,   Hemorrhage,   Humans,   Hypertension,   International Normalized Ratio,   Male,   Oral,   Predictive Value of Tests,   Propensity Score,   Risk Assessment,   Risk Factors,   Stroke,   Thrombosis

 
Associated ICD9-CM Codes
 
   427.31Atrial fibrillation
   437.9Cerebrovasc disease nos
   444.89Arterial embolism nec
   444.9Arterial embolism nos

 
Legal Notices and Disclaimer

 
All information contained in and produced by the EBMcalc system is provided for educational purposes only. This information should not be used for the diagnosis or treatment of any health problem or disease. THIS INFORMATION IS NOT INTENDED TO REPLACE CLINICAL JUDGMENT OR GUIDE INDIVIDUAL PATIENT CARE IN ANY MANNER. Click here for full notice and disclaimer.
 
MedCalc 3000 is Copyright © 1998-2017 Foundation Internet    [Build 252309 v17.1]