{"slug":"api-magentlab-com-api-calc-fick-990af9","title":"Fick 1870 cardiac output","host":"api.magentlab.com","method":"POST","resource":"https://api.magentlab.com/api/calc/fick","category":"other","description":"Fick 1870 cardiac output: CO (L/min) = VO2 (ml/min) / (CaO2 - CvO2) with contents in ml/L (ml/dL x10). Caller supplies the three measured terms. Does not estimate VO2 from BSA or apply Hufner Hb factors. Rejects CaO2 <= CvO2. Not a catheter order, shock diagnosis, or medical device. magent does not ","price_listed":0.005,"price_asked":0.005,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":268,"reported_calls_30d":0,"reported_payers_30d":0,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"body":{"items":[{"cao2_ml_dl":20,"cao2_ml_l":200,"cvo2_ml_dl":15,"cvo2_ml_l":150,"vo2_ml_min":250},{"cao2_ml_dl":20,"cao2_ml_l":200,"cvo2_ml_dl":15,"cvo2_ml_l":150,"vo2_ml_min":250}]},"method":"POST","type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"body":{"additionalProperties":false,"properties":{"items":{"items":{"properties":{"cao2_ml_dl":{"description":"Arterial oxygen content in ml/dL (5-40, magent clamp). Converted as ml/L = ml/dL × 10. Provide this or cao2_ml_l, not both.","type":"number"},"cao2_ml_l":{"description":"Arterial oxygen content in ml/L (50-400, magent clamp). Provide this or cao2_ml_dl, not both. magent does not compute content from hemoglobin or Hüfner factors.","type":"number"},"cvo2_ml_dl":{"description":"Mixed-venous oxygen content in ml/dL (2-35, magent clamp). Converted as ml/L = ml/dL × 10. Provide this or cvo2_ml_l, not both. Must be less than CaO2 after conversion.","type":"number"},"cvo2_ml_l":{"description":"Mixed-venous oxygen content in ml/L (20-350, magent clamp). Provide this or cvo2_ml_dl, not both. Must be less than CaO2. magent does not sample mixed-venous blood.","type":"number"},"vo2_ml_min":{"description":"Measured oxygen consumption in ml/min (50-2000, magent clamp; Fick 1870 does not publish an input band). Caller supplies the measured term. magent does not estimate VO2 from BSA or assume 125 ml/min/m².","type":"number"}},"required":["vo2_ml_min"],"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"},"history":[{"day":"2026-09-28","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.005,"price_match":true,"latency_ms":268,"error":null}],"description_full":"Fick 1870 cardiac output: CO (L/min) = VO2 (ml/min) / (CaO2 - CvO2) with contents in ml/L (ml/dL x10). Caller supplies the three measured terms. Does not estimate VO2 from BSA or apply Hufner Hb factors. Rejects CaO2 <= CvO2. Not a catheter order, shock diagnosis, or medical device. magent does not sample blood.","last_updated":"2026-09-28T13:42:38.266Z","schemes":["exact"]}