HAS-BLED

Major bleeding risk on anticoagulation in AF.

How to use

Call with the inputs below. Boolean inputs are optional (absent = false). Returns the value, an interpretation, and a breakdown. Deterministic — no network call.

Parameters

Name	Type		Description
hypertension	boolean	optional	Uncontrolled HTN (SBP >160)
renal_disease	boolean	optional	Abnormal renal function
liver_disease	boolean	optional	Abnormal liver function
stroke	boolean	optional	Prior stroke
bleeding	boolean	optional	Bleeding history or predisposition
labile_inr	boolean	optional	Labile INR
elderly	boolean	optional	Age >65
drugs	boolean	optional	Antiplatelet/NSAID use
alcohol	boolean	optional	Alcohol ≥8 drinks/week

Example input

{
  "hypertension": true,
  "renal_disease": false,
  "liver_disease": false,
  "stroke": true,
  "bleeding": true,
  "labile_inr": false,
  "elderly": true,
  "drugs": false,
  "alcohol": false
}

Example output

{
  "calculator": "HAS-BLED",
  "category": "Cardiovascular",
  "value": "4 points",
  "interpretation": "High bleeding risk — caution, address modifiable factors",
  "severity": "high",
  "references": [
    "Pisters R et al. 2010"
  ]
}

Call it (MCP tools/call)

{
  "method": "tools/call",
  "params": {
    "name": "calc_hasbled",
    "arguments": {
      "hypertension": true,
      "renal_disease": false,
      "liver_disease": false,
      "stroke": true,
      "bleeding": true,
      "labile_inr": false,
      "elderly": true,
      "drugs": false,
      "alcohol": false
    }
  }
}

Endpoint: POST https://clinical-mcp.mcharge.in/mcp (Streamable HTTP).

References

Pisters R et al. 2010