Pisters R, Lane DA, Nieuwlaat R, et al. A Novel User-Friendly Score (Has-Bled) To Assess 1-Year Risk Of Major Bleeding In Patients With Atrial Fibrillation: The Euro Heart Survey. Chest. 2010;138(5):1093-1100.

Lip GY, Frison L, Halperin JL, Lane DA. Comparative validation of a novel risk score for predicting bleeding risk in anticoagulated patients with atrial fibrillation: the HAS-BLED (Hypertension, Abnormal Renal/Liver Function, Stroke, Bleeding History or Predisposition, Labile INR, Elderly, Drugs/Alcohol Concomitantly) score. J Am Coll Cardiol. 2011 Jan 11;57(2):173-80. doi: 10.1016/j.jacc.2010.09.024. Epub 2010 Nov 24.

Dr. Ron Pisters

HAS-BLED Score for Major Bleeding Risk

hypertension

renal_disease

liver_disease

stroke

bleeding_predisposition

labile_inr

age_65

medication_usage

alcohol_drug_use

Estimates risk of major bleeding for patients on anticoagulation to assess risk-benefit in atrial fibrillation care.

Bleeding risk with AFib anticoagulation.

HAS-BLED Score

Calvin Hwang, MD, is a clinical assistant professor in the department of orthopaedic surgery at the Stanford University School of Medicine. A native Californian, Dr. Hwang grew up in San Diego and attended Stanford University before venturing off to Case Western Reserve University School of Medicine, where he received his medical degree. He completed his residency at the Stanford/Kaiser Emergency Medicine program and fellowship in sports medicine at Stanford. He is currently a team physician for the Golden State Warriors, Stanford Football and Stanford Volleyball.

Calvin Hwang, MD

The HAS-BLED Score for Major bleeding risk estimates risk of major bleeding for patients on anticoagulation to assess quality of atrial fibrillation care.

CHADS2 Score

ORBIT Score for Afib

HEMORR2HAGES Score

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Calc Function