{"uid":"cap_LqipYOmEYPb3j-uiS2XU2","slug":"egsys-score-calculator-del-rosso-2008-7088cb4c","name":"EGSYS Score Calculator (Del Rosso 2008)","description":"Del Rosso 2008 EGSYS: palpitations +4, abnormal ECG or heart disease +3, syncope during effort +3, syncope while supine +2, absence of autonomic prodromes −1, absence of predisposing and/or precipitating factors −1. Range −2 to 12. Discriminator is score ≥3 versus <3 (cardiac-syncope triage). Caller assigns six flags. Not a medical device, not a cardiac-syncope diagnosis, and magent does not take a history.","url":"https://api.magentlab.com/api/calc/egsys","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":["palpitations","abnormal_ecg_or_heart_disease","syncope_during_effort","syncope_supine","no_autonomic_prodromes","no_precipitating_factors"],"properties":{"palpitations":{"type":"boolean","description":"Palpitations preceding syncope (Del Rosso 2008, +4). true or false as assigned by the caller. magent does not take a history."},"syncope_supine":{"type":"boolean","description":"Syncope while supine (Del Rosso 2008, +2). true or false as assigned by the caller."},"syncope_during_effort":{"type":"boolean","description":"Syncope during effort (Del Rosso 2008, +3). true or false as assigned by the caller."},"no_autonomic_prodromes":{"type":"boolean","description":"Absence of autonomic prodromes (Del Rosso 2008, −1). true or false as assigned by the caller."},"no_precipitating_factors":{"type":"boolean","description":"Absence of predisposing and/or precipitating factors (Del Rosso 2008, −1). true or false as assigned by the caller."},"abnormal_ecg_or_heart_disease":{"type":"boolean","description":"Abnormal ECG and/or heart disease (Del Rosso 2008, +3). true or false as assigned by the caller. magent does not read an ECG."}}}},"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_WozqjbVnxOOHuavps8exS","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 EGSYS (Evaluation of Guidelines in SYncope Study) score to triage cardiac versus non-cardiac syncope based on six clinical flags.","exampleAgentPrompt":"Calculate the EGSYS score for a syncope patient who had palpitations before the episode and has abnormal ECG findings, but no syncope during effort, no syncope while supine, no autonomic prodromes were absent, and there were no precipitating factors absent — so flag palpitations true, abnormal ECG true, effort false, supine false, no_autonomic_prodromes false, no_precipitating_factors true.","exampleUseCases":[{"title":"ED syncope cardiac triage","prompt":"I have a syncope patient in the ED — they had palpitations before passing out and their ECG is abnormal, but it didn't happen during effort or while lying down. There were no absent autonomic prodromes and no absent precipitating factors. Can you run the EGSYS score for me to see if this looks cardiac?"},{"title":"Outpatient syncope workup scoring","prompt":"For my outpatient syncope workup, can you calculate the Del Rosso EGSYS score? The patient fainted while lying down and during exertion, no palpitations, normal ECG and no heart disease, and autonomic prodromes were present, but there were no predisposing factors — so no_autonomic_prodromes false, no_precipitating_factors true."},{"title":"Automated syncope risk stratification pipeline","prompt":"As part of the syncope risk pipeline, compute the EGSYS score with these flags: palpitations true, abnormal ECG or heart disease true, syncope during effort true, syncope supine true, no autonomic prodromes true, no precipitating factors false. Tell me the score and whether it crosses the cardiac threshold."}],"resultDescription":"Returns the computed EGSYS integer score (range −2 to 12) derived from the six weighted clinical flags. A score ≥3 indicates higher likelihood of cardiac syncope; <3 suggests non-cardiac etiology. The response includes the total score and likely the individual component contributions.","failureModes":["Missing required boolean flags returns a 400 validation error","Non-boolean values for flag parameters cause a schema validation failure","Network timeout if the API is temporarily unavailable","Payment failure via x402 protocol if USDC balance is insufficient"],"whenToPreferThis":"Use this endpoint when you need a fast, validated arithmetic computation of the EGSYS score from pre-assessed clinical flags. It is ideal for clinical decision-support pipelines where a clinician or structured data source has already determined the six binary features. Prefer this over manual calculation to avoid arithmetic errors in automated workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:58:03.165Z","isFirstParty":false}