bleeding risk calculator

Tuesday, March 20, 2018

HASBLED Calculator


 H  Hypertension: (uncontrolled, >160 mmHg systolic) 1
A  Abnormal kidney function: Dialysis, transplant, Cr >2.26 mg/dL or >200 µmol/L

Abnormal liver function:Cirrhosis or Bilirubin >2x Normal or AST/ALT/AP >3x Normal




S  Stroke: Prior history of stroke 1
B Bleeding: Prior Major Bleeding or Predisposition to Bleeding 1
L  Labile INR: Unstable/high INR), Time in Therapeutic Range < 60% 1
E  Elderly: Age > 65 years 1
D  Prior Alcohol or Drug Usage History (≥ 8 drinks/week)

Medication Usage Predisposing to Bleeding: (Antiplatelet agents, NSAIDs)





  • Score greater than or equal to 3: increased risk of bleeding
  • Use caution when using anticoagulation medications
  • Patients should be assessed and risk reviewed routinely
  • HASBLED is only moderately effective in predicting bleeding risk


Shoeb, Marwa; Fang, Margaret C. Assessing bleeding risk in patients taking anticoagulants. Journal of Thrombosis and Thrombolysis. 2013: 35 (3):312–9





This entry was tagged ,

One Response to bleeding risk calculator

  1. […] CHADS-VASC) can be used to help decide whether anticoagulation is beneficial and other calculators (HasBled) to decide their risk of bleeding. Together, the doctor and patient can sit down and decide. At the […]

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.