Cardiology · Haematology · Internal Medicine
HAS-BLED calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
Result
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0
HAS-BLED total (0–9)
Band: HAS-BLED total (0–9)
Interpretation. HAS-BLED total (0–9)
Suggested management. Identify and correct modifiable bleeding risks and increase review frequency when risk is high; do not use the score alone to withhold anticoagulation.
HAS-BLED: 0 — HAS-BLED total (0–9). Interpretation: HAS-BLED total (0–9) What to do: Identify and correct modifiable bleeding risks and increase review frequency when risk is high; do not use the score alone to withhold anticoagulation. Inputs: Uncontrolled hypertension, systolic BP >160 mmHg (+1): false; Abnormal renal function (+1): false; Abnormal liver function (+1): false; Previous stroke (+1): false; Bleeding history or predisposition (+1): false; Labile INR (+1): false; Age >65 years (+1): false; Drugs predisposing to bleeding (+1): false; Alcohol excess, >8 units/week (+1): false Source: Pisters R et al. A novel user-friendly score to assess one-year risk of major bleeding in atrial fibrillation. Chest (2010)
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Clinical inputs
- Uncontrolled hypertension, systolic BP >160 mmHg (+1)
- Abnormal renal function (+1)
- Abnormal liver function (+1)
- Previous stroke (+1)
- Bleeding history or predisposition (+1)
- Labile INR (+1)
- Age >65 years (+1)
- Drugs predisposing to bleeding (+1)
- Alcohol excess, >8 units/week (+1)
Primary source
Pisters R et al. A novel user-friendly score to assess one-year risk of major bleeding in atrial fibrillation. Chest (2010)
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