{"uid":"cap_bdrzRO_xpKT16-qY8EayD","slug":"iv-acetylcysteine-dose-calculator-prescott-1979-c0066028","name":"IV Acetylcysteine Dose Calculator (Prescott 1979)","description":"Intravenous acetylcysteine milligrams from weight (Prescott 1979). load_mg = weight_kg * 150 over 15 minutes; infusion_4h_mg = weight_kg * 50 over 4 hours; infusion_16h_mg = weight_kg * 100 over 16 hours; total_mg = weight_kg * 300 over 20.25 hours. For acetaminophen (paracetamol) poisoning. Not a prescription, not a Rumack–Matthew nomogram, and not a plasma acetaminophen interpretation.","url":"https://api.magentlab.com/api/calc/acetylcysteine_iv","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"headers":{"type":"object","additionalProperties":{"type":"string"}},"queryParams":{"type":"object","required":["weight_kg"],"properties":{"weight_kg":{"type":"number","description":"Weight in kilograms (1-200)."}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_6zwPiy8Dx-j09mWXTSzWv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates intravenous acetylcysteine (NAC) dosing for acetaminophen poisoning based on patient weight using the Prescott 1979 three-bag regimen.","exampleAgentPrompt":"Calculate the IV acetylcysteine doses for a 68 kg patient using the Prescott three-bag regimen — I need the loading dose, the 4-hour infusion dose, and the 16-hour infusion dose.","exampleUseCases":[{"title":"Emergency acetaminophen overdose dosing","prompt":"My patient weighs 82 kg and came in with a paracetamol overdose. What are the IV acetylcysteine doses for each phase of the Prescott protocol — loading, 4-hour, and 16-hour infusions?"},{"title":"Pharmacist double-checking NAC order","prompt":"Can you verify the IV NAC doses for a 55 kg patient under the Prescott 1979 regimen? I want the mg amounts for each bag and the total dose."},{"title":"Medical education dose illustration","prompt":"Show me how the IV acetylcysteine Prescott regimen scales for a 100 kg patient — what would the loading dose, the 4-hour infusion, and the 16-hour infusion each be in milligrams?"}],"resultDescription":"Returns four computed dose values in milligrams: the 15-minute loading dose (weight_kg × 150), the 4-hour infusion dose (weight_kg × 50), the 16-hour infusion dose (weight_kg × 100), and the total dose over approximately 20.25 hours (weight_kg × 300). Does not return nomogram interpretation or plasma acetaminophen levels.","failureModes":["weight_kg outside 1–200 range returns a validation error","missing weight_kg parameter returns a 400 bad request","non-numeric weight value causes schema validation failure","payment failure (insufficient USDC balance) blocks the call via x402 protocol"],"whenToPreferThis":"Use this endpoint when you need rapid, weight-based IV acetylcysteine dose computation for the standard Prescott 1979 three-bag regimen. It is ideal for clinical decision support tools, EHR integrations, or emergency department agents that need the three phase-specific milligram amounts quickly. Do not use it as a substitute for Rumack–Matthew nomogram interpretation or plasma acetaminophen level analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T13:04:20.282Z","isFirstParty":false}