{ "model": { "rank": 4565, "code": "thing-q189331", "model_id": "vr.tr.heart-arrhythmia", "name": "heart arrhythmia", "purpose": "Let an agent route cardiac arrest and serious symptoms to emergency services and CPR first, then give general sourced information on arrhythmias and refer individual questions to clinicians.", "family": "Thing Registry", "category": "Information and virtual systems", "status": "research-draft", "kind": "thing", "plane": "INF", "domain": "INF.KNW", "industry": "", "version": "", "url": "/models/thing/q189331/", "tier": 2, "score": 74, "payload": { "layer": "wikidata", "aliases": [ "cardiac fibrillation", "quadrigeminy", "trigeminy", "torsades de pointes", "supraventricular arrhythmia", "embryocardia", "benign early repolarization", "Pacemaker syndrome", "bigeminy", "pre-excitation syndrome", "ventricular dysrhythmia", "Automatic tachycardia", "Afterdepolarization", "dysrhythmia", "ectopic pacemaker", "parasystole", "sudden unexpected death syndrome", "tachyarrhythmia", "Ashman phenomenon", "ectopic beat", "genetic cardiac rhythm disease", "non-genetic cardiac rhythm disease", "Cabrera sign", "holiday heart syndrome", "long QT syndrome", "proarrhythmia", "Quatrefoil reentry", "Mahaim-type pre-excitation", "Andersen-Tawil syndrome", "long QT syndrome 4", "long QT syndrome 1", "long QT syndrome 2", "long QT syndrome 3", "long QT syndrome 5", "long QT syndrome 6", "long QT syndrome 9", "long QT syndrome 10", "long QT syndrome 11", "long QT syndrome 12", "long QT syndrome 13" ], "aliasCount": 44, "merged": 44, "knownIn": 74, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q189331", "url": "https://www.wikidata.org/wiki/Q189331", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-11T12:34:41Z", "providers": [ "Claude" ], "breadth": "written by Claude from model knowledge without web access - no source was read, every claim is a lead to verify", "pass": 2, "wave": 1, "engine": "claude" }, "metaModel": { "id": "THING-Q189331", "registryId": "vr.tr.heart-arrhythmia", "name": "heart arrhythmia", "version": "0.2.0-wave.1", "entryKind": "thing", "family": "Thing Registry", "domain": [ "INF.KNW" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q189331/", "model": { "registry_id": "vr.tr.heart-arrhythmia", "name": "heart arrhythmia", "purpose": "Let an agent route cardiac arrest and serious symptoms to emergency services and CPR first, then give general sourced information on arrhythmias and refer individual questions to clinicians.", "definition": "Any abnormality of the heart rate or rhythm, such as atrial fibrillation, supraventricular tachycardia, bradycardia, ectopic beats or ventricular arrhythmias; some are harmless while others can cause stroke, fainting or cardiac arrest.", "what_it_is_for": "A group of heart conditions relevant to emergencies and long-term care.", "affordances": [ "recognise emergency signs and start CPR with an AED", "find general information about arrhythmia types", "understand tests such as ECG in general terms", "prepare questions for a clinician" ], "distinguishing_features": [ "Abnormal rate or rhythm", "Ranges from harmless to life-threatening", "Diagnosed with ECG", "Some raise stroke risk" ], "appearance": "Felt as palpitations, skipped beats, dizziness or fainting; seen on ECG traces.", "visual_identification": [ "Irregular or abnormal ECG rhythms", "Palpitations and fainting", "A normal fast heartbeat during exercise is not an arrhythmia" ], "physical_properties": [], "families_and_kinds": [ "atrial fibrillation and flutter", "supraventricular tachycardias", "bradycardias and heart block", "ventricular arrhythmias", "ectopic beats" ], "related_models": [ { "relation": "is a kind of", "target": "heart disease", "why": "category" }, { "relation": "is diagnosed by", "target": "electrocardiography", "why": "test" }, { "relation": "can cause", "target": "cardiac arrest", "why": "complication" }, { "relation": "is related to", "target": "bioelectricity", "why": "mechanism" } ], "identifiers": [], "standards_and_regulation": [ "ESC and AHA arrhythmia guidelines", "Resuscitation guidelines (ERC and AHA)", "Rules on public access defibrillators" ], "failure_modes_and_hazards": [ "Delaying CPR in cardiac arrest", "Ignoring fainting or chest pain", "Over-reliance on consumer wearable alerts", "Agents interpreting personal ECGs" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "emergency", "name": "Emergency", "description": "Cardiac arrest.", "rationale": "Safety comes first.", "layers": [ { "id": "arrest", "name": "Arrest", "description": "Collapse.", "findings": [ { "id": "arrest-finding", "name": "Arrest", "description": "Cardiac arrest.", "questions": [ { "text": "Has someone collapsed and is not breathing normally?", "kind": "boundary" }, { "text": "Should emergency services be called, CPR started and an AED fetched now?", "kind": "action" } ] } ] }, { "id": "symptoms", "name": "Symptoms", "description": "Serious symptoms.", "findings": [ { "id": "symptoms-finding", "name": "Symptoms", "description": "Serious symptoms.", "questions": [ { "text": "Are palpitations accompanied by chest pain, fainting or breathlessness?", "kind": "boundary" }, { "text": "Should urgent medical help be sought now?", "kind": "action" } ] } ] } ] }, { "id": "information", "name": "Information", "description": "General facts.", "rationale": "Sourced information only.", "layers": [ { "id": "types", "name": "Types", "description": "Kinds.", "findings": [ { "id": "types-finding", "name": "Types", "description": "Arrhythmia types.", "questions": [ { "text": "What are the main types of arrhythmia, according to heart charities or health services?", "kind": "provenance" }, { "text": "Which are usually harmless?", "kind": "provenance" } ] } ] }, { "id": "tests", "name": "Tests", "description": "ECG and monitors.", "findings": [ { "id": "tests-finding", "name": "Tests", "description": "Tests.", "questions": [ { "text": "What tests are used to find arrhythmias, in general terms?", "kind": "definition" }, { "text": "Is the user asking to interpret their own ECG or watch alert?", "kind": "boundary" } ] } ] } ] }, { "id": "care", "name": "Care", "description": "Clinicians.", "rationale": "Clinicians guide care.", "layers": [ { "id": "referral", "name": "Referral", "description": "Seeing a doctor.", "findings": [ { "id": "referral-finding", "name": "Referral", "description": "Referral.", "questions": [ { "text": "Should the person see a doctor about recurring palpitations?", "kind": "action" }, { "text": "What information should they bring?", "kind": "action" } ] } ] }, { "id": "treatment", "name": "Treatment", "description": "Questions.", "findings": [ { "id": "treatment-finding", "name": "Treatment", "description": "Treatment questions.", "questions": [ { "text": "Is the user asking whether to change their treatment?", "kind": "boundary" }, { "text": "How should the agent refer them to their cardiologist?", "kind": "action" } ] } ] } ] }, { "id": "community", "name": "Community", "description": "Preparedness.", "rationale": "Communities can save lives.", "layers": [ { "id": "aed", "name": "AED", "description": "Defibrillators.", "findings": [ { "id": "aed-finding", "name": "AED", "description": "Defibrillators.", "questions": [ { "text": "Where is the nearest public defibrillator, according to local registers?", "kind": "provenance" }, { "text": "How is it used?", "kind": "action" } ] } ] }, { "id": "training", "name": "Training", "description": "CPR courses.", "findings": [ { "id": "training-finding", "name": "Training", "description": "CPR training.", "questions": [ { "text": "Where can people learn CPR and AED use?", "kind": "provenance" }, { "text": "How long does a course take?", "kind": "provenance" } ] } ] } ] } ] }, "openQuestions": [ "Should arrhythmia types be separate entries?", "How should AED locators be linked?", "How should wearable data be handled?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "discipline or field of knowledge", "method": "Written from the archetype playbook - what this kind of thing needs beyond identity and provenance - and from the structure that recurred across 6,333 models already researched by two engines. Applied to this entry by rule. No source was read for this thing and no claim here is researched. This entry carries no facets of its own, so they were inferred from its domain - a guess about a whole domain applied to one thing.", "facetsInferred": true, "nextPass": "A researcher replaces this draft with a sourced specification. Treat every sentence below as a proposal to argue with.", "purpose": "Give an agent a durable, checkable way to recognise a heart arrhythmia, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent route cardiac arrest and serious symptoms to emergency services and CPR first, then give general sourced information on arrhythmias and refer individual questions to clinicians.", "characteristics": { "substance": "information", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "read and interpreted" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: cardiac fibrillation, quadrigeminy, trigeminy, torsades de pointes, supraventricular arrhythmia, embryocardia, benign early repolarization, Pacemaker syndrome, bigeminy, pre-excitation syndrome, ventricular dysrhythmia, Automatic tachycardia.", "44 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 74 Wikipedia languages, which is a measure of how widely the thing is known, not of how important it is." ], "openQuestionsForResearch": [ "Which of the bundles below does a real task actually need, and which are ceremony?", "What does this thing have that the facets do not capture at all?", "Which neighbouring kind is most often confused with a heart arrhythmia, and on what evidence are they told apart?" ], "whatItIsMadeOf": "content that has to be carried by something else", "physicalCharacter": [ "Does nothing on its own; everything it does, something else did to it.", "These come from the domain this entry sits in rather than from the entry itself, so treat them as a first guess about the whole domain applied to one thing." ], "whatCanBeDoneWithIt": [ "read it and act on what it says" ], "howItIsRecognised": [], "relatedModels": [ { "relation": "covers", "note": "Finer kinds folded into this entry because telling them apart needs a task that asks for it. Each is a model waiting to be split out when one does.", "targets": [ "cardiac fibrillation", "quadrigeminy", "trigeminy", "torsades de pointes", "supraventricular arrhythmia", "embryocardia", "benign early repolarization", "Pacemaker syndrome", "bigeminy", "pre-excitation syndrome", "ventricular dysrhythmia", "Automatic tachycardia" ] } ], "standing": "Described in 74 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 44 finer distinctions are held inside this entry as names rather than as separate models.", "structure": { "bundles": [ { "id": "identity-and-classification", "name": "Identity, naming and classification", "description": "How an agent tells one heart arrhythmia from another, and a heart arrhythmia from things that resemble it.", "rationale": "Recognition comes before every other claim. Without stable identity nothing else in the model can be trusted to be about the same thing twice.", "layers": [ { "id": "naming-and-identifiers", "name": "Names and identifiers", "description": "The names this thing goes by and the identifiers that survive translation and time.", "findings": [ { "id": "preferred-name-and-aliases", "name": "Preferred name, aliases and local names", "description": "Which name to use, which names mean the same thing, and which merely sound similar.", "questions": [ { "id": "preferred-name-and-aliases-q01", "text": "What identifies and describes the name of a heart arrhythmia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "preferred-name-and-aliases-q02", "text": "Who or what asserted this about the name of a heart arrhythmia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "preferred-name-and-aliases-q03", "text": "What may an agent decide or do once the name of a heart arrhythmia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "stable-identifiers", "name": "Stable identifiers and external keys", "description": "Identifiers that keep pointing at this kind of thing across systems and languages.", "questions": [ { "id": "stable-identifiers-q01", "text": "What identifies and describes an identifier for a heart arrhythmia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stable-identifiers-q02", "text": "Who or what asserted this about an identifier for a heart arrhythmia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stable-identifiers-q03", "text": "What may an agent decide or do once an identifier for a heart arrhythmia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "classification-and-granularity", "name": "Classification and granularity", "description": "Where a heart arrhythmia sits among kinds, and how finely a task needs to cut it.", "findings": [ { "id": "kind-and-parents", "name": "Kind, parents and neighbouring kinds", "description": "The classes this thing belongs to and the ones it is next to.", "questions": [ { "id": "kind-and-parents-q01", "text": "What identifies and describes the kind of a heart arrhythmia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "kind-and-parents-q02", "text": "Who or what asserted this about the kind of a heart arrhythmia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "kind-and-parents-q03", "text": "What may an agent decide or do once the kind of a heart arrhythmia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] }, { "id": "distinguishing-features", "name": "Distinguishing features", "description": "What separates a heart arrhythmia from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a heart arrhythmia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "distinguishing-features-q02", "text": "Who or what asserted this about what distinguishes a heart arrhythmia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "distinguishing-features-q03", "text": "What may an agent decide or do once what distinguishes a heart arrhythmia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "state-and-lifecycle", "name": "State and lifecycle", "description": "The states a heart arrhythmia passes through and the events that move it between them.", "rationale": "Most decisions about a thing depend on what state it is in now, which is a claim with a time on it, not a property.", "layers": [ { "id": "lifecycle-stages", "name": "Lifecycle stages", "description": "From coming into existence to ceasing to be one of these.", "findings": [ { "id": "stages-and-transitions", "name": "Stages and transitions", "description": "The stages worth naming and what moves a heart arrhythmia between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a heart arrhythmia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "stages-and-transitions-q02", "text": "Who or what asserted this about the lifecycle of a heart arrhythmia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "stages-and-transitions-q03", "text": "What may an agent decide or do once the lifecycle of a heart arrhythmia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "observations-and-status", "name": "Observations and current status", "description": "What is observed about a heart arrhythmia, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a heart arrhythmia is recorded so that it can be superseded rather than overwritten.", "questions": [ { "id": "observation-record-q01", "text": "What identifies and describes an observation of a heart arrhythmia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "observation-record-q02", "text": "Who or what asserted this about an observation of a heart arrhythmia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "observation-record-q03", "text": "What may an agent decide or do once an observation of a heart arrhythmia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "content-and-access", "name": "Content, encoding and access", "description": "What a heart arrhythmia says, how it is encoded and who may read it.", "rationale": "An informational thing carries content that can be copied, versioned and withheld, none of which its physical carrier explains.", "layers": [ { "id": "content-and-encoding", "name": "Content and encoding", "description": "The content itself, its format and its language.", "findings": [ { "id": "content-and-format", "name": "Content, format and language", "description": "What a heart arrhythmia contains and in what form it is held.", "questions": [ { "id": "content-and-format-q01", "text": "What identifies and describes the content of a heart arrhythmia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "content-and-format-q02", "text": "Who or what asserted this about the content of a heart arrhythmia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "content-and-format-q03", "text": "What may an agent decide or do once the content of a heart arrhythmia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "access-and-rights", "name": "Access, rights and retention", "description": "Who may read, copy or change it, and for how long it is kept.", "findings": [ { "id": "access-rules", "name": "Access rules and retention", "description": "The permissions attached to a heart arrhythmia and the period it survives.", "questions": [ { "id": "access-rules-q01", "text": "What identifies and describes access to a heart arrhythmia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "access-rules-q02", "text": "Who or what asserted this about access to a heart arrhythmia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "access-rules-q03", "text": "What may an agent decide or do once access to a heart arrhythmia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "subject-and-method", "name": "Subject matter and method", "description": "What heart arrhythmia studies and how it establishes anything.", "rationale": "A field is identified by its questions and its methods, and those are what distinguish it from the fields next to it.", "layers": [ { "id": "subject", "name": "Subject matter", "description": "The questions it takes as its own.", "findings": [ { "id": "subject-record", "name": "Questions and objects of study", "description": "What it is about, stated so a neighbouring field can be told apart.", "questions": [ { "id": "subject-record-q01", "text": "What questions and objects does heart arrhythmia take as its own?", "kind": "definition" }, { "id": "subject-record-q02", "text": "Which questions does it share with a neighbouring field, and who claims them?", "kind": "boundary" } ] } ] }, { "id": "method", "name": "Method and evidence", "description": "How claims are established and what counts as evidence.", "findings": [ { "id": "method-record", "name": "Methods and standards of evidence", "description": "The methods used and what they are taken to establish.", "questions": [ { "id": "method-record-q01", "text": "By what methods does heart arrhythmia establish claims, and what counts as sufficient evidence?", "kind": "provenance" }, { "id": "method-record-q02", "text": "What kind of claim can this field not settle, and where should an agent look instead?", "kind": "action" } ] } ] } ] }, { "id": "institutions-and-classification", "name": "Institutions and classification", "description": "Where heart arrhythmia is practised and how catalogues place it.", "rationale": "The institutional footprint is the evidence that a field exists as a field rather than as a topic.", "layers": [ { "id": "institutions", "name": "Institutional markers", "description": "Societies, journals, degrees and departments.", "findings": [ { "id": "institution-record", "name": "Bodies and venues", "description": "Where the field organises itself.", "questions": [ { "id": "institution-record-q01", "text": "Which societies, journals or degrees mark heart arrhythmia as an established field?", "kind": "provenance" }, { "id": "institution-record-q02", "text": "What would show that it is emerging or dissolving rather than established?", "kind": "boundary" } ] } ] }, { "id": "classification", "name": "Classification schemes", "description": "Where library and research classifications put it.", "findings": [ { "id": "classification-record", "name": "Codes and their disagreements", "description": "The classification codes that place it, and where they differ.", "questions": [ { "id": "classification-record-q01", "text": "Which classification schemes place heart arrhythmia, under what codes?", "kind": "definition" }, { "id": "classification-record-q02", "text": "Where do those schemes disagree about its scope?", "kind": "boundary" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a heart arrhythmia came from and when it held.", "rationale": "A claim without a source and a time cannot be superseded, only overwritten, and an agent that overwrites loses the ability to explain itself.", "layers": [ { "id": "source-and-authority", "name": "Source and authority", "description": "Who said it, on what evidence, and how strongly.", "findings": [ { "id": "claim-provenance", "name": "Claim provenance and confidence", "description": "The authority behind each claim about a heart arrhythmia and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a heart arrhythmia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "claim-provenance-q02", "text": "Who or what asserted this about a claim about a heart arrhythmia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "claim-provenance-q03", "text": "What may an agent decide or do once a claim about a heart arrhythmia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] }, { "id": "time-and-versions", "name": "Time, versions and supersession", "description": "When a claim was true, when it was learnt, and what replaced it.", "findings": [ { "id": "validity-and-supersession", "name": "Validity period and supersession", "description": "How an old claim about a heart arrhythmia is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a heart arrhythmia, and in what units or vocabulary?", "kind": "definition", "answer_data": [ "identifiers", "types and classes", "values with units", "explicit unknowns" ] }, { "id": "validity-and-supersession-q02", "text": "Who or what asserted this about the validity of a claim about a heart arrhythmia, by which method, and when was it true?", "kind": "provenance", "answer_data": [ "authority", "method", "evidence", "event time", "knowledge time" ] }, { "id": "validity-and-supersession-q03", "text": "What may an agent decide or do once the validity of a claim about a heart arrhythmia is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 6, "layers": 12, "findings": 14, "questions": 38 } } } }