{ "x402Version": 2, "id": 39337, "slug": "39337", "resource": "https://api.magentlab.com/api/calc/adrogue_madias", "description": "Adrogué–Madias change in serum sodium after 1 L of infusate from TBW (child 0.6; adult male 0.6; adult female 0.5; elderly male 0.5; elderly female 0.45) and infusate Na plus K. Deterministic published arithmetic with citation; not a correction-rate order or infusion protocol.", "type": "http", "serviceName": "magent", "resourceType": "Agent Service", "accepts": [ { "scheme": "exact", "network": "eip155:8453", "payTo": "0x836Be278f1739fB4308091cD1852F7971Bc19Ee2", "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913", "amount": "5000", "amountUsd": 0.005, "maxTimeoutSeconds": 600 } ], "outputSchema": { "properties": { "example": { "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" }, "extensions": { "bazaar": { "info": { "iconUrl": "https://api.magentlab.com/favicon.ico", "input": { "body": { "items": [ { "age": 40, "infusate_k_mmol_l": 0, "infusate_na_mmol_l": 513, "pediatric": false, "sex": "female", "sodium_mmol_l": 110, "weight_kg": 70, "weight_lb": 154.3236 }, { "age": 40, "infusate_k_mmol_l": 0, "infusate_na_mmol_l": 513, "pediatric": false, "sex": "female", "sodium_mmol_l": 110, "weight_kg": 70, "weight_lb": 154.3236 } ] }, "method": "POST", "type": "http" }, "output": { "example": { "count": 2, "items": [ { "age_years": 40, "citation": { "authors": "Adrogué HJ, Madias NE", "doi": "10.1056/NEJM200005253422107", "id": "adrogue-madias-2000", "source": "N Engl J Med. 2000;342(21):1581-1589", "title": "Hyponatremia" }, "delta_na_mmol_l": 11.2, "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.", "formula": "adrogue_madias", "formula_expression": "delta_na_mmol_l = (infusate_na_mmol_l + infusate_k_mmol_l - sodium_mmol_l) / (tbw_l + 1); tbw_l = tbw_fraction * weight_kg", "infusate_k_mmol_l": 0, "infusate_na_mmol_l": 513, "pediatric": false, "sex": "female", "sodium_mmol_l": 110, "tbw_fraction": 0.5, "tbw_l": 35, "weight_kg": 70 }, { "age_years": 40, "citation": { "authors": "Adrogué HJ, Madias NE", "doi": "10.1056/NEJM200005253422107", "id": "adrogue-madias-2000", "source": "N Engl J Med. 2000;342(21):1581-1589", "title": "Hyponatremia" }, "delta_na_mmol_l": 11.2, "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.", "formula": "adrogue_madias", "formula_expression": "delta_na_mmol_l = (infusate_na_mmol_l + infusate_k_mmol_l - sodium_mmol_l) / (tbw_l + 1); tbw_l = tbw_fraction * weight_kg", "infusate_k_mmol_l": 0, "infusate_na_mmol_l": 513, "pediatric": false, "sex": "female", "sodium_mmol_l": 110, "tbw_fraction": 0.5, "tbw_l": 35, "weight_kg": 70 } ], "path": "/api/calc/adrogue_madias" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "items": { "items": { "properties": { "age": { "description": "Age in years. pediatric=false: integer 18-120; age ≥65 uses the elderly TBW fraction. pediatric=true: integer 0-17; TBW uses the child fraction 0.6.", "type": "integer" }, "infusate_k_mmol_l": { "description": "Potassium concentration of the same 1 L infusate in mmol/L (0-200). Omitted uses 0. Added to infusate sodium in the numerator.", "type": "number" }, "infusate_na_mmol_l": { "description": "Sodium concentration of 1 L of infusate in mmol/L (0-1000). Adrogué–Madias table examples: 5% dextrose 0; 0.9% NaCl 154; 3% NaCl 513.", "type": "number" }, "pediatric": { "description": "true uses the child TBW fraction 0.6. false uses adult or elderly fractions from sex and age. Required; magent does not infer child vs adult from age.", "type": "boolean" }, "sex": { "description": "Sex used for adult and elderly TBW fractions. Ignored for the TBW fraction when pediatric=true (child fraction 0.6).", "enum": [ "female", "male" ], "type": "string" }, "sodium_mmol_l": { "description": "Measured serum sodium in mmol/L. Range 90-190.", "type": "number" }, "weight_kg": { "description": "Weight in kilograms. Provide weight_kg or weight_lb.", "type": "number" }, "weight_lb": { "description": "Weight in pounds. Converted as kg = lb * 0.45359237.", "type": "number" } }, "required": [ "sodium_mmol_l", "infusate_na_mmol_l", "sex", "age", "pediatric" ], "type": "object" }, "maxItems": 25, "minItems": 1, "type": "array" } }, "required": [ "items" ], "type": "object" }, "headers": { "additionalProperties": { "type": "string" }, "type": "object" }, "method": { "const": "POST", "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method" ], "type": "object" }, "output": { "properties": { "example": { "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } } }, "tags": [ "adrogue-madias", "sodium", "electrolytes", "calculator", "bazaar" ], "sourceHost": "api.magentlab.com", "lastUpdated": "2026-10-12T22:56:07.779Z", "quality": { "calls30d": 5, "uniquePayers30d": 2, "lastCalledAt": "2026-10-12T22:56:07.547Z" }, "metadata": { "serviceName": "magent", "extensions": { "bazaar": { "info": { "iconUrl": "https://api.magentlab.com/favicon.ico", "input": { "body": { "items": [ { "age": 40, "infusate_k_mmol_l": 0, "infusate_na_mmol_l": 513, "pediatric": false, "sex": "female", "sodium_mmol_l": 110, "weight_kg": 70, "weight_lb": 154.3236 }, { "age": 40, "infusate_k_mmol_l": 0, "infusate_na_mmol_l": 513, "pediatric": false, "sex": "female", "sodium_mmol_l": 110, "weight_kg": 70, "weight_lb": 154.3236 } ] }, "method": "POST", "type": "http" }, "output": { "example": { "count": 2, "items": [ { "age_years": 40, "citation": { "authors": "Adrogué HJ, Madias NE", "doi": "10.1056/NEJM200005253422107", "id": "adrogue-madias-2000", "source": "N Engl J Med. 2000;342(21):1581-1589", "title": "Hyponatremia" }, "delta_na_mmol_l": 11.2, "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.", "formula": "adrogue_madias", "formula_expression": "delta_na_mmol_l = (infusate_na_mmol_l + infusate_k_mmol_l - sodium_mmol_l) / (tbw_l + 1); tbw_l = tbw_fraction * weight_kg", "infusate_k_mmol_l": 0, "infusate_na_mmol_l": 513, "pediatric": false, "sex": "female", "sodium_mmol_l": 110, "tbw_fraction": 0.5, "tbw_l": 35, "weight_kg": 70 }, { "age_years": 40, "citation": { "authors": "Adrogué HJ, Madias NE", "doi": "10.1056/NEJM200005253422107", "id": "adrogue-madias-2000", "source": "N Engl J Med. 2000;342(21):1581-1589", "title": "Hyponatremia" }, "delta_na_mmol_l": 11.2, "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.", "formula": "adrogue_madias", "formula_expression": "delta_na_mmol_l = (infusate_na_mmol_l + infusate_k_mmol_l - sodium_mmol_l) / (tbw_l + 1); tbw_l = tbw_fraction * weight_kg", "infusate_k_mmol_l": 0, "infusate_na_mmol_l": 513, "pediatric": false, "sex": "female", "sodium_mmol_l": 110, "tbw_fraction": 0.5, "tbw_l": 35, "weight_kg": 70 } ], "path": "/api/calc/adrogue_madias" }, "type": "json" } }, "schema": { "$schema": "https://json-schema.org/draft/2020-12/schema", "properties": { "input": { "additionalProperties": false, "properties": { "body": { "additionalProperties": false, "properties": { "items": { "items": { "properties": { "age": { "description": "Age in years. pediatric=false: integer 18-120; age ≥65 uses the elderly TBW fraction. pediatric=true: integer 0-17; TBW uses the child fraction 0.6.", "type": "integer" }, "infusate_k_mmol_l": { "description": "Potassium concentration of the same 1 L infusate in mmol/L (0-200). Omitted uses 0. Added to infusate sodium in the numerator.", "type": "number" }, "infusate_na_mmol_l": { "description": "Sodium concentration of 1 L of infusate in mmol/L (0-1000). Adrogué–Madias table examples: 5% dextrose 0; 0.9% NaCl 154; 3% NaCl 513.", "type": "number" }, "pediatric": { "description": "true uses the child TBW fraction 0.6. false uses adult or elderly fractions from sex and age. Required; magent does not infer child vs adult from age.", "type": "boolean" }, "sex": { "description": "Sex used for adult and elderly TBW fractions. Ignored for the TBW fraction when pediatric=true (child fraction 0.6).", "enum": [ "female", "male" ], "type": "string" }, "sodium_mmol_l": { "description": "Measured serum sodium in mmol/L. Range 90-190.", "type": "number" }, "weight_kg": { "description": "Weight in kilograms. Provide weight_kg or weight_lb.", "type": "number" }, "weight_lb": { "description": "Weight in pounds. Converted as kg = lb * 0.45359237.", "type": "number" } }, "required": [ "sodium_mmol_l", "infusate_na_mmol_l", "sex", "age", "pediatric" ], "type": "object" }, "maxItems": 25, "minItems": 1, "type": "array" } }, "required": [ "items" ], "type": "object" }, "headers": { "additionalProperties": { "type": "string" }, "type": "object" }, "method": { "const": "POST", "type": "string" }, "type": { "const": "http", "type": "string" } }, "required": [ "type", "method" ], "type": "object" }, "output": { "properties": { "example": { "type": "object" }, "type": { "type": "string" } }, "required": [ "type" ], "type": "object" } }, "required": [ "input" ], "type": "object" } } } }, "liveness": { "reliability": null }, "verified": false, "featured": false, "provider": { "host": "api.magentlab.com", "manifest_name": "api.magentlab.com", "source": "cdp-mirror", "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources", "submitted_at": "2026-10-14T01:15:01.050Z" }, "exampleResponse": { "example": {}, "type": "string" } }