Free Water Deficit (hypernatremia)

Estimated free water deficit in hypernatremia.

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
sex	enum(male \| female)	required	Biological sex
weight_kg	number	required	Body weight — unit: kg
sodium	number	required	Current sodium — unit: mEq/L

Example input

{
  "sex": "male",
  "weight_kg": 70,
  "sodium": 160
}

Example output

{
  "calculator": "Free Water Deficit (hypernatremia)",
  "category": "Electrolytes",
  "value": "6 L",
  "interpretation": "Free water deficit to correct toward a sodium of 140.",
  "severity": "moderate",
  "notes": [
    "Correct slowly — no faster than 10–12 mEq/L per 24 h to avoid cerebral edema."
  ]
}

Call it (MCP tools/call)

{
  "method": "tools/call",
  "params": {
    "name": "calc_water_deficit",
    "arguments": {
      "sex": "male",
      "weight_kg": 70,
      "sodium": 160
    }
  }
}

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