Wells Score for DVT

Pretest probability of deep vein thrombosis.

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
active_cancer	boolean	optional	Active cancer
paralysis_immobilization	boolean	optional	Paralysis/paresis or recent immobilization of leg
bedridden_or_surgery	boolean	optional	Bedridden >3d or major surgery <12wk
localized_tenderness	boolean	optional	Localized tenderness along deep venous system
entire_leg_swollen	boolean	optional	Entire leg swollen
calf_swelling	boolean	optional	Calf swelling >3 cm vs other leg
pitting_edema	boolean	optional	Pitting edema in symptomatic leg
collateral_veins	boolean	optional	Collateral superficial veins
previous_dvt	boolean	optional	Previously documented DVT
alternative_diagnosis	boolean	optional	Alternative diagnosis at least as likely (−2)

Example input

{
  "active_cancer": true,
  "localized_tenderness": true,
  "entire_leg_swollen": true,
  "calf_swelling": true
}

Example output

{
  "calculator": "Wells Score for DVT",
  "category": "Cardiovascular",
  "value": "4 points",
  "interpretation": "High probability",
  "severity": "high",
  "references": [
    "Wells PS et al. 2003"
  ]
}

Call it (MCP tools/call)

{
  "method": "tools/call",
  "params": {
    "name": "calc_wells_dvt",
    "arguments": {
      "active_cancer": true,
      "localized_tenderness": true,
      "entire_leg_swollen": true,
      "calf_swelling": true
    }
  }
}

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

References

Wells PS et al. 2003