ATRIA Bleeding Risk Score
Check each condition present; points sum to the ATRIA hemorrhage risk index used in older anticoagulation studies.
Calculator
How it works
ATRIA was derived in patients with atrial fibrillation on warfarin to quantify bleeding hazard beyond simple bleeding history alone.
Limits
DOAC era bleeding rates differ; liver disease, thrombocytopenia, NSAID use, and labile INR are not fully captured.
Educational tool only—not for diagnosis or treatment decisions.