Health

Wells Score for Pulmonary Embolism (PE)

Calculate the Wells score to estimate clinical probability of pulmonary embolism (PE). Components: clinical signs/symptoms of DVT (+3), PE is the most likely diagnosis (+3), heart rate >100 (+1.5), immobilization ≥3 days or surgery in last 4 weeks (+1.5), previous objectively diagnosed DVT/PE (+1.5), hemoptysis (+1), active malignancy (+1). Reports BOTH endorsed interpretations: three-tier (low <2 ~1.3%, moderate 2–6 ~16.2%, high >6 ~37.5%) and dichotomized two-tier (PE unlikely ≤4 ~12.1% — a negative D-dimer can rule out; PE likely >4 ~37.5% — imaging required). Derived from Wells 2001 (Ann Intern Med), ACEP 2018 clinical policy, and the ESC 2019 PE guideline. Pair with PERC and D-dimer. Not medical advice.

json· JSON resultOpen tool

Quick start

Call this tool from your code in three languages.

cURL

curl -X POST 'http://127.0.0.1:3003/en/api/tools/wells-pe-score' \
  -H 'Content-Type: application/json' \
  -d '{"dvtSigns":false,"peMostLikely":true,"tachycardia":true,"immobilization":false,"previousVte":false,"hemoptysis":true,"malignancy":false}'

API reference

Send a POST request with your inputs as JSON. File parameters require a separate upload first.

Endpoint

HTTP

POST http://127.0.0.1:3003/en/api/tools/wells-pe-score

Parameters

Name	Type	Required	Description
dvtSigns	checkbox	No	Leg swelling and pain with palpation of the deep veins. +3.
peMostLikely	checkbox	No	PE is the #1 or equally likely diagnosis (alternative diagnosis less likely than PE). +3.
tachycardia	checkbox	No	Heart rate > 100 beats/min. +1.5.
immobilization	checkbox	No	Recent immobilization ≥3 days or surgery within the last 4 weeks. +1.5.
previousVte	checkbox

MCP integration

Add this tool to your Model Context Protocol server so AI agents can list and call it.

Server configuration

Add this block to your MCP client configuration:

mcp.json

{
  "mcpServers": {
    "elysiatools-wells-pe-score": {
      "name": "wells-pe-score",
      "description": "Calculate the Wells score to estimate clinical probability of pulmonary embolism (PE). Components: clinical signs/symptoms of DVT (+3), PE is the most likely diagnosis (+3), heart rate >100 (+1.5), immobilization ≥3 days or surgery in last 4 weeks (+1.5), previous objectively diagnosed DVT/PE (+1.5), hemoptysis (+1), active malignancy (+1). Reports BOTH endorsed interpretations: three-tier (low <2 ~1.3%, moderate 2–6 ~16.2%, high >6 ~37.5%) and dichotomized two-tier (PE unlikely ≤4 ~12.1% — a negative D-dimer can rule out; PE likely >4 ~37.5% — imaging required). Derived from Wells 2001 (Ann Intern Med), ACEP 2018 clinical policy, and the ESC 2019 PE guideline. Pair with PERC and D-dimer. Not medical advice.",
      "baseUrl": "http://127.0.0.1:3003/mcp/sse?toolId=wells-pe-score",
      "command": "",
      "args": [],
      "env": {},
      "isActive": true,
      "type": "sse"
    }
  }
}

List available tools

After connecting to the SSE endpoint, list the exposed tools:

tools/list

{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/list"
}

Call this tool

Invoke the tool by its id, passing arguments built from its parameters:

tools/call

{
  "jsonrpc": "2.0",
  "id": 2,
  "method": "tools/call",
  "params": {
    "name": "wells-pe-score",
    "arguments": {
  "dvtSigns": false,
  "peMostLikely": true,
  "tachycardia": true,
  "immobilization": false,
  "previousVte": false,
  "hemoptysis": true,
  "malignancy": false
}
  }
}

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