O'Brien EC, Simon DN, Thomas LE, et al. The ORBIT Bleeding Score: A Simple Bedside Score to Assess Bleeding Risk in Atrial Fibrillation. Eur Heart J. 2015;36(46):3258-64.

Senoo K, Proietti M, Lane DA, Lip GY. Evaluation of the HAS-BLED, ATRIA, and ORBIT Bleeding Risk Scores in Patients with Atrial Fibrillation Taking Warfarin. Am J Med. 2016;129(6):600-7.

Esteve-Pastor MA, Garcia-Fernandez A, Macias M, et al. Is the ORBIT Risk Score Superior to the HAS-BLED Score in Anticoagulated Atrial Fibrillation Patients? Circ J. 2016;80(10):2102-8.

Wang C, Yu Y, Zhu W, et al. Comparing the ORBIT and HAS-BLED Bleeding Risk Scores in Anticoagulated Atrial Fibrillation Patients: A Systematic Review and Meta-Analysis. Oncotarget. 2017;8(65):109703-11.

Lip GYH, Skjoth F, Nielsen PB, et al. The HAS-BLED, ATRIA, and ORBIT Bleeding Scores in Atrial Fibrillation Patients Using Non-Vitamin K Antagonist Oral Anticoagulants. Am J Med. 2018;131(5):574.e13-574.e27.

Dr. Emily C. O’Brien

ORBIT Bleeding Risk Score for Atrial Fibrillation

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Predicts bleeding risk in patients on anticoagulation for afib, similar to <calculator id="807">HAS-BLED</calculator>.

Anticoagulation bleeding risk in afib.

ORBIT Score for Afib

Hyunjoo Lee, MD, is a clinical assistant professor in emergency medicine at Stony Brook University Hospital. Born and raised in New York, she left New York for her undergraduate studies at Swarthmore College where she received a BA in Biology. She returned to New York and did research in B-cell biology and CLL before heading back to school to obtain her MD from Stony Brook University School of Medicine. She completed her emergency medicine residency at Mount Sinai Beth Israel in New York City and a medical education fellowship in the department of emergency medicine at Thomas Jefferson University in Philadelphia.

Hyunjoo Lee, MD

The ORBIT Bleeding Risk Score for Atrial Fibrillation predicts bleeding risk in patients on anticoagulation for afib, similar to HAS-BLED.

HAS-BLED Score

DAPT Score

VTE-BLEED Score

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