What is the HAS-BLED Score used for?

The HAS-BLED Score helps clinicians apply the Risk Assessment framework within Cardiology. Use the inputs on this page to compute the published score or result, then interpret it alongside history, examination, and other tests—not as a replacement for judgment.

Are results from this tool medical advice?

No. YMed Atlas calculators are educational and workflow supports. Validation, local protocols, and shared decision-making with patients remain the clinician's responsibility.

How should I cite or verify the formula?

Check the References section on this page for primary literature and guideline sources. Compare outputs with primary publications if your institution uses a modified variant.

HAS-BLED Score

Cardiology · Risk Assessment

Estimates risk of major bleeding in patients on anticoagulation.

How this calculator is expressed

Formula or scoring rule as stored in YMed Atlas (verify against references before clinical use):

Sum of risk factors (1 point each)

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Frequently asked questions

What is the HAS-BLED Score used for?: The HAS-BLED Score helps clinicians apply the Risk Assessment framework within Cardiology. Use the inputs on this page to compute the published score or result, then interpret it alongside history, examination, and other tests—not as a replacement for judgment.
Are results from this tool medical advice?: No. YMed Atlas calculators are educational and workflow supports. Validation, local protocols, and shared decision-making with patients remain the clinician's responsibility.
How should I cite or verify the formula?: Check the References section on this page for primary literature and guideline sources. Compare outputs with primary publications if your institution uses a modified variant.

Back to Calculators

Inputs and parameters

{
  "drugs": {
    "type": "boolean",
    "label": "Medications predisposing to bleeding",
    "points": 1
  },
  "labile": {
    "type": "boolean",
    "label": "Labile INRs",
    "points": 1
  },
  "stroke": {
    "type": "boolean",
    "label": "Previous Stroke",
    "points": 1
  },
  "alcohol": {
    "type": "boolean",
    "label": "Alcohol or Drug Usage",
    "points": 1
  },
  "elderly": {
    "type": "boolean",
    "label": "Age > 65",
    "points": 1
  },
  "bleeding": {
    "type": "boolean",
    "label": "Prior Major Bleeding",
    "points": 1
  },
  "hypertension": {
    "type": "boolean",
    "label": "Hypertension",
    "points": 1
  },
  "liverDisease": {
    "type": "boolean",
    "label": "Abnormal Liver Function",
    "points": 1
  },
  "renalDisease": {
    "type": "boolean",
    "label": "Abnormal Renal Function",
    "points": 1
  }
}

References

ESC Guidelines 2020

Back to Calculators

Inputs and parameters

{
  "drugs": {
    "type": "boolean",
    "label": "Medications predisposing to bleeding",
    "points": 1
  },
  "labile": {
    "type": "boolean",
    "label": "Labile INRs",
    "points": 1
  },
  "stroke": {
    "type": "boolean",
    "label": "Previous Stroke",
    "points": 1
  },
  "alcohol": {
    "type": "boolean",
    "label": "Alcohol or Drug Usage",
    "points": 1
  },
  "elderly": {
    "type": "boolean",
    "label": "Age > 65",
    "points": 1
  },
  "bleeding": {
    "type": "boolean",
    "label": "Prior Major Bleeding",
    "points": 1
  },
  "hypertension": {
    "type": "boolean",
    "label": "Hypertension",
    "points": 1
  },
  "liverDisease": {
    "type": "boolean",
    "label": "Abnormal Liver Function",
    "points": 1
  },
  "renalDisease": {
    "type": "boolean",
    "label": "Abnormal Renal Function",
    "points": 1
  }
}

References

ESC Guidelines 2020