{"uid":"cap_7dch6slh7M_QvFW3wv28i","slug":"2helps2b-score-calculator-struck-2017-0ebf68d7","name":"2HELPS2B Score Calculator (Struck 2017)","description":"Struck 2017 2HELPS2B: BIRDs 2 points; LPD or LRDA or BIPD, prior seizure, sporadic epileptiform discharges, frequency >2.0 Hz, and plus features 1 point each. Max 7. Published probable seizure risk: 0→5%, 1→12%, 2→27%, 3→50%, 4→73%, 5→88%, 6–7→>95%. Not a seizure diagnosis or monitoring-duration protocol. magent does not read EEG.","url":"https://api.magentlab.com/api/calc/2helps2b","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":["birds","lpd_lrda_bipd","prior_seizure","sporadic_epileptiform","frequency_gt_2hz","plus_features"],"properties":{"birds":{"type":"boolean","description":"Brief (ictal) rhythmic discharges (BIRDs) as assigned by the caller (Struck 2017). true scores 2. magent does not read EEG."},"lpd_lrda_bipd":{"type":"boolean","description":"LPD or LRDA or BIPD as assigned by the caller (Struck 2017). true scores 1. magent does not read EEG."},"plus_features":{"type":"boolean","description":"Plus features (superimposed rhythmic, sharp, or fast activity) as assigned by the caller (Struck 2017). true scores 1. magent does not read EEG."},"prior_seizure":{"type":"boolean","description":"Prior seizure, acute or remote, as assigned by the caller (Struck 2017). true scores 1."},"frequency_gt_2hz":{"type":"boolean","description":"Frequency >2.0 Hz for any periodic or rhythmic pattern as assigned by the caller (Struck 2017). true scores 1. magent does not read EEG."},"sporadic_epileptiform":{"type":"boolean","description":"Sporadic epileptiform discharges as assigned by the caller (Struck 2017). true scores 1. magent does not read EEG."}}}},"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_4-dpXWOKYpNIaBVbINOvY","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":"Computes the 2HELPS2B score for estimating probable seizure risk from EEG pattern features pre-assigned by a clinician, returning a total score and associated seizure probability.","exampleAgentPrompt":"Calculate the 2HELPS2B seizure risk score for a patient who has BIRDs, no LPD/LRDA/BIPD, a prior seizure, no sporadic epileptiform discharges, frequency greater than 2 Hz, and no plus features — what's the total score and estimated seizure probability?","exampleUseCases":[{"title":"ICU seizure risk triage","prompt":"My ICU patient has LPD on EEG, a prior acute seizure, frequency over 2 Hz, and plus features but no BIRDs and no sporadic epileptiform discharges — calculate the 2HELPS2B score and tell me the seizure probability."},{"title":"Neurology consult risk stratification","prompt":"For a neurology consult note, I need the Struck 2017 2HELPS2B score for a patient with BIRDs and sporadic epileptiform discharges but no LPD/LRDA/BIPD, no prior seizure, frequency not exceeding 2 Hz, and no plus features."},{"title":"Clinical decision support documentation","prompt":"Can you compute the 2HELPS2B score for a patient with no BIRDs, BIPD present, prior remote seizure, sporadic epileptiform discharges, frequency above 2 Hz, and plus features? I need the score and the published seizure risk percentage for the chart."}],"resultDescription":"Returns a numeric 2HELPS2B total score (0–7) derived from the submitted boolean flags, along with the published probable seizure risk percentage corresponding to that score (e.g., score 0→5%, 1→12%, 2→27%, 3→50%, 4→73%, 5→88%, 6–7→>95%). Does not include EEG waveform interpretation or a clinical diagnosis.","failureModes":["Missing required boolean parameter returns a 400 error","Non-boolean value passed for a flag field causes schema validation failure","Network timeout if the API is temporarily unavailable","Score of 6 or 7 both map to >95% — no finer-grained probability is returned at the top range"],"whenToPreferThis":"Use this endpoint when a clinician or clinical decision support system has already interpreted the EEG and needs to arithmetically apply the Struck 2017 2HELPS2B scoring formula to pre-assigned binary features. Prefer this over manual calculation when building automated neurology workflows, ICU decision support agents, or documentation tools that must reliably produce the published seizure risk percentage without arithmetic error. Do not use this endpoint to interpret raw EEG signals — it accepts only pre-classified flags.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:59:20.758Z","isFirstParty":false}