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ARDSNet Predicted Body Weight & Tidal Volume Calculator
x402
ARDSNet Predicted Body Weight & Tidal Volume Calculator is a paid API for AI agents from api.magentlab.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-15).
Calculates ARDSNet 2000 predicted body weight (PBW) and lung-protective tidal volumes (6 mL/kg and 4 mL/kg) from patient height and sex
Price / call$0.005
Success—
StatusUnknown
How this service works
ARDS Network 2000 predicted body weight (PBW) from height and sex, and the lower-tidal-volume arm 6 mL/kg PBW. Male PBW_kg = 50 + 0.91*(height_cm-152.4); female uses 45.5. Also returns the published 4 mL/kg minimum. Height in cm or inches. Not a ventilator order, plateau-pressure titration, Berlin/AECC diagnosis, pediatric tube size, or ETT insertion depth. Not Devine IBW. Deterministic published arithmetic with citation.
Output
Returns the ARDSNet predicted body weight in kilograms (using the published formula: 50 + 0.91*(height_cm - 152.4) for males, 45.5 + 0.91*(height_cm - 152.4) for females), the 6 mL/kg PBW tidal volume target from the ARMA trial, and the 4 mL/kg minimum tidal volume, with a citation to the source publication.
Example use cases
ICU ventilator setup for ARDS patient
“My patient is a female, 162 cm tall, newly intubated for ARDS — what are the ARDSNet predicted body weight and the 6 mL/kg tidal volume target I should start with?”
Converting height in inches for tidal volume
“I have a male patient who is 5 feet 10 inches tall — can you calculate his ARDSNet predicted body weight and the recommended low tidal volume using the ARMA trial formula?”
Documenting PBW-based ventilation targets
“For documentation, what is the ARDSNet predicted body weight and the 6 mL/kg and 4 mL/kg tidal volume range for a female patient who is 158 cm tall?”
Technical details
Endpoint
GEThttps://api.magentlab.com/api/calc/ardsnet_tvWhen to prefer
Use this endpoint when you need a fast, deterministic, citation-backed ARDSNet PBW and tidal volume computation per the ARMA 2000 protocol. Prefer this over general LLM arithmetic to ensure correctness and auditability. Not appropriate for Devine IBW, pediatric patients, ETT sizing, plateau-pressure titration, or Berlin ARDS diagnosis — use dedicated endpoints for those.
Side effects
- Missing required 'sex' parameter returns validation error
- Height out of range (below 50 cm or above 250 cm for height_cm, or below 20/above 98 for height_in) likely returns error
- Neither height_cm nor height_in provided results in missing input error
- Payment failure (402) if x402 micropayment header not included or insufficient funds
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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