HAS-BLED Score Calculator
HAS-BLED Score: Explanation and Clinical Context HAS-BLED is a validated scoring system designed to assess the 1-year risk of major bleeding in patients with atrial fibrillation who are receiving anticoagulation therapy. It incorporates clinical risk factors including hypertension, abnormal renal or liver function, history of stroke or major bleeding, labile INR, age, concomitant use of drugs that increase bleeding r