PaO₂/FiO₂ Ratio (P/F)

Oxygenation ratio for ARDS severity (Berlin).

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
pao2	number	required	Arterial PaO₂ — unit: mmHg
fio2_percent	number	required	FiO₂ as a percent (e.g. 40) — unit: %

Example input

{
  "pao2": 90,
  "fio2_percent": 60
}

Example output

{
  "calculator": "PaO₂/FiO₂ Ratio (P/F)",
  "category": "Pulmonary",
  "value": "150",
  "interpretation": "Moderate ARDS (100–200).",
  "severity": "high"
}

Call it (MCP tools/call)

{
  "method": "tools/call",
  "params": {
    "name": "calc_pao2_fio2_ratio",
    "arguments": {
      "pao2": 90,
      "fio2_percent": 60
    }
  }
}

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