{ "model": { "rank": 12824, "code": "thing-q1126831", "model_id": "vr.tr.tetralogy-of-fallot", "name": "tetralogy of Fallot", "purpose": "Let an agent explain tetralogy of Fallot at a general, factual level from medical reference sources, relay its components, effects and treatment, describe related conditions, and route personal concerns to a clinician.", "family": "Thing Registry", "category": "Cross-cutting context", "status": "research-draft", "kind": "thing", "plane": "XCT", "domain": "XCT.STA", "industry": "", "version": "", "url": "/models/thing/q1126831/", "tier": 2, "score": 39, "payload": { "layer": "wikidata", "aliases": [ "duodenal atresia tetralogy of fallot", "tetralogy of fallot and glaucoma", "hypertelorism and tetralogy of fallot", "fallot complex - intellectual disability - growth delay", "pentalogy of Fallot", "Smith Martin Dodd syndrome" ], "aliasCount": 6, "merged": 6, "knownIn": 39, "facets": null, "markers": [], "lexicalClass": "", "senseRank": null, "alsoRegisteredAs": null, "source": { "dataset": "wikidata", "item": "Q1126831", "url": "https://www.wikidata.org/wiki/Q1126831", "license": "CC0 1.0" } }, "research": { "vercy": "1.0-draft", "publication": { "status": "research-draft", "adjudicationStatus": "unreviewed", "publishableCanonical": false, "generatedAt": "2026-09-14T03:25:52Z", "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": 4, "engine": "claude" }, "metaModel": { "id": "THING-Q1126831", "registryId": "vr.tr.tetralogy-of-fallot", "name": "tetralogy of Fallot", "version": "0.2.0-wave.4", "entryKind": "thing", "family": "Thing Registry", "domain": [ "XCT.STA" ], "status": "research-draft" }, "canonicalUrl": "https://ver.cy/models/thing/q1126831/", "model": { "registry_id": "vr.tr.tetralogy-of-fallot", "name": "tetralogy of Fallot", "purpose": "Let an agent explain tetralogy of Fallot at a general, factual level from medical reference sources, relay its components, effects and treatment, describe related conditions, and route personal concerns to a clinician.", "definition": "A congenital heart defect present from birth that combines four structural abnormalities of the heart, leading to poorly oxygenated blood and, classically, a bluish tint to the skin; it is one of the most common cyanotic heart defects in children. The registry aliases name related and extended conditions such as pentalogy of Fallot and syndromes associated with it. Modern surgery can repair the defect. This is a medical topic, and any personal situation should be directed to a qualified clinician.", "what_it_is_for": "Not applicable; a congenital heart defect.", "affordances": [ "explain the defect generally", "relay its components and effects", "relay that surgery can repair it", "route personal concerns to a clinician" ], "distinguishing_features": [ "Four combined abnormalities", "Present from birth", "Cyanotic", "Repairable by surgery" ], "appearance": "Not a visible object; a combination of heart abnormalities, sometimes signalled by bluish skin.", "visual_identification": [ "Congenital defect combining four heart abnormalities", "Pentalogy of Fallot, trilogy of Fallot, associated syndromes", "It is cyanotic, unlike many other defects; it is present from birth" ], "physical_properties": [ { "quantity": "components", "typical_range": "four combined abnormalities", "unit": "note", "note": "" }, { "quantity": "type", "typical_range": "cyanotic heart defect", "unit": "note", "note": "" }, { "quantity": "registry parents", "typical_range": "trilogy of Fallot, cyanotic heart defect", "unit": "note", "note": "" } ], "families_and_kinds": [ "classic tetralogy", "pentalogy of Fallot", "associated syndromes" ], "related_models": [ { "relation": "is a kind of", "target": "congenital heart defect", "why": "related" }, { "relation": "is a kind of", "target": "cyanotic heart defect", "why": "in registry terms" }, { "relation": "is related to", "target": "trilogy of Fallot", "why": "" }, { "relation": "is contrasted with", "target": "acyanotic heart defects", "why": "" } ], "identifiers": [], "standards_and_regulation": [ "Clinical diagnostic and surgical guidelines" ], "failure_modes_and_hazards": [ "Offering personal diagnosis", "Understating the need for specialist care", "Conflating related conditions" ], "in_scope": [], "out_of_scope": [], "characteristics": [] }, "sources": [], "structure": { "bundles": [ { "id": "understand", "name": "Understand", "description": "What tetralogy of Fallot is.", "rationale": "Attribution.", "layers": [ { "id": "definition", "name": "Definition", "description": "Definition.", "findings": [ { "id": "definition-finding", "name": "Definition", "description": "Definition.", "questions": [ { "text": "What is tetralogy of Fallot, and how does it differ from acyanotic heart defects?", "kind": "definition" }, { "text": "Is this a personal medical situation that needs a clinician?", "kind": "boundary" } ] } ] }, { "id": "components", "name": "Components", "description": "The four components.", "findings": [ { "id": "components-finding", "name": "Components", "description": "Components.", "questions": [ { "text": "What four abnormalities make up tetralogy of Fallot?", "kind": "definition" }, { "text": "Which entry fits a related condition?", "kind": "action" } ] } ] } ] }, { "id": "effects", "name": "Effects", "description": "Effects.", "rationale": "Sources.", "layers": [ { "id": "circulation", "name": "Circulation", "description": "Effect on circulation.", "findings": [ { "id": "circulation-finding", "name": "Circulation", "description": "Circulation.", "questions": [ { "text": "How does the defect affect oxygenation and circulation?", "kind": "provenance" }, { "text": "Which references are standard?", "kind": "provenance" } ] } ] }, { "id": "signs", "name": "Signs", "description": "Signs.", "findings": [ { "id": "signs-finding", "name": "Signs", "description": "Signs.", "questions": [ { "text": "What general signs are associated with the defect?", "kind": "provenance" }, { "text": "Is diagnosis left to a clinician?", "kind": "boundary" } ] } ] } ] }, { "id": "treatment", "name": "Treatment", "description": "Treatment.", "rationale": "Sources.", "layers": [ { "id": "surgery", "name": "Surgery", "description": "Surgical repair.", "findings": [ { "id": "surgery-finding", "name": "Surgery", "description": "Surgery.", "questions": [ { "text": "How is tetralogy of Fallot repaired surgically in general terms?", "kind": "provenance" }, { "text": "Is personal advice left to a clinician?", "kind": "boundary" } ] } ] }, { "id": "outlook", "name": "Outlook", "description": "Outlook.", "findings": [ { "id": "outlook-finding", "name": "Outlook", "description": "Outlook.", "questions": [ { "text": "What is the general outlook after repair, as sources describe?", "kind": "provenance" }, { "text": "Which sources are cited?", "kind": "provenance" } ] } ] } ] }, { "id": "context", "name": "Context", "description": "Care.", "rationale": "Attribution.", "layers": [ { "id": "care", "name": "Care", "description": "Care routing.", "findings": [ { "id": "care-finding", "name": "Care", "description": "Care.", "questions": [ { "text": "Where should concerns about a heart defect be directed?", "kind": "action" }, { "text": "Is the information general rather than diagnostic?", "kind": "boundary" } ] } ] }, { "id": "related", "name": "Related", "description": "Related conditions.", "findings": [ { "id": "related-finding", "name": "Related", "description": "Related.", "questions": [ { "text": "What are pentalogy and trilogy of Fallot?", "kind": "provenance" }, { "text": "Which entry fits the related condition?", "kind": "action" } ] } ] } ] } ] }, "openQuestions": [ "Should associated syndromes be separate entries?", "How should the four components be summarised?", "How should personal concerns be routed?" ], "statistics": { "bundles": 4, "layers": 8, "findings": 8, "questions": 16 } }, "draft": { "generator": "vr.draft.v3", "status": "draft-generated", "researched": false, "archetype": "abstract concept", "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 tetralogy of Fallot, record what state it is in, and decide what may be done with it.", "whatItIs": "Let an agent explain tetralogy of Fallot at a general, factual level from medical reference sources, relay its components, effects and treatment, describe related conditions, and route personal concerns to a clinician.", "characteristics": { "substance": "abstract", "origin": "conceptual", "agency": "inert" }, "whatYouCanDoWithIt": [ "observed and measured" ], "distinguishingFeatures": [ "Names folded into this entry, which a task may need to split apart again: duodenal atresia tetralogy of fallot, tetralogy of fallot and glaucoma, hypertelorism and tetralogy of fallot, fallot complex - intellectual disability - growth delay, pentalogy of Fallot, Smith Martin Dodd syndrome.", "6 finer distinctions are held as aliases rather than separate entries, because telling them apart needs a task that asks for it.", "Described in 39 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 tetralogy of Fallot, and on what evidence are they told apart?" ], "whatItIsMadeOf": "an abstraction with no physical instance", "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": [ "observe it, measure it, record its state" ], "howItIsRecognised": [ "Nothing to see. What is recognised is an instance of it, and which instances count is exactly what is argued about." ], "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": [ "duodenal atresia tetralogy of fallot", "tetralogy of fallot and glaucoma", "hypertelorism and tetralogy of fallot", "fallot complex - intellectual disability - growth delay", "pentalogy of Fallot", "Smith Martin Dodd syndrome" ] } ], "standing": "Described in 39 Wikipedia languages, which measures how widely it is written about rather than how important or how common it is. 6 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 tetralogy of Fallot from another, and a tetralogy of Fallot 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 tetralogy of Fallot, 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 tetralogy of Fallot, 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 tetralogy of Fallot 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 tetralogy of Fallot, 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 tetralogy of Fallot, 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 tetralogy of Fallot 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 tetralogy of Fallot 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 tetralogy of Fallot, 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 tetralogy of Fallot, 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 tetralogy of Fallot 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 tetralogy of Fallot from the things most often confused with it.", "questions": [ { "id": "distinguishing-features-q01", "text": "What identifies and describes what distinguishes a tetralogy of Fallot, 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 tetralogy of Fallot, 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 tetralogy of Fallot 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 tetralogy of Fallot 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 tetralogy of Fallot between them.", "questions": [ { "id": "stages-and-transitions-q01", "text": "What identifies and describes the lifecycle of a tetralogy of Fallot, 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 tetralogy of Fallot, 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 tetralogy of Fallot 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 tetralogy of Fallot, how often and by whom.", "findings": [ { "id": "observation-record", "name": "Observation record", "description": "How an observation of a tetralogy of Fallot 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 tetralogy of Fallot, 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 tetralogy of Fallot, 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 tetralogy of Fallot is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] }, { "id": "definitions-in-contest", "name": "Definitions and who holds them", "description": "What tetralogy of Fallot is taken to mean, and by whom.", "rationale": "When a field disagrees about a concept, the disagreement is the content. A model that picks one definition silently destroys the information.", "layers": [ { "id": "competing-definitions", "name": "Competing definitions", "description": "The main readings and the traditions behind them.", "findings": [ { "id": "definition-map", "name": "Definitions and their holders", "description": "Each definition with the school or body that holds it.", "questions": [ { "id": "definition-map-q01", "text": "Which definitions of tetralogy of Fallot are in use, and which tradition or body holds each?", "kind": "definition" }, { "id": "definition-map-q02", "text": "What turns on the difference between them in practice?", "kind": "boundary" } ] } ] }, { "id": "operationalisation", "name": "Operationalisation", "description": "How it is measured or applied when it has to be.", "findings": [ { "id": "operational-record", "name": "Measures and proxies", "description": "Instruments and indicators used to stand in for it.", "questions": [ { "id": "operational-record-q01", "text": "How is tetralogy of Fallot operationalised or measured in practice, and by what instrument?", "kind": "measurement" }, { "id": "operational-record-q02", "text": "What does that operationalisation leave out, and when does that matter?", "kind": "boundary" } ] } ] } ] }, { "id": "instances-and-use", "name": "Instances, use and consequence", "description": "What counts as an instance of tetralogy of Fallot and what follows from calling something that.", "rationale": "Applying a concept is an act with consequences, so a model must say what the label licenses and what it does not.", "layers": [ { "id": "instances", "name": "What counts as an instance", "description": "Clear cases, borderline cases and non-cases.", "findings": [ { "id": "instance-tests", "name": "Tests for an instance", "description": "What would settle whether something falls under it.", "questions": [ { "id": "instance-tests-q01", "text": "What would settle whether something is an instance of tetralogy of Fallot?", "kind": "boundary" }, { "id": "instance-tests-q02", "text": "Which borderline cases are argued about, and on what grounds?", "kind": "definition" } ] } ] }, { "id": "consequence", "name": "Consequence of application", "description": "Rights, duties or decisions that follow from the label.", "findings": [ { "id": "consequence-record", "name": "What the label licenses", "description": "What an agent may do once something is classified this way.", "questions": [ { "id": "consequence-record-q01", "text": "What follows practically once something is treated as tetralogy of Fallot?", "kind": "action" }, { "id": "consequence-record-q02", "text": "What must an agent not infer from the label alone?", "kind": "action" } ] } ] } ] }, { "id": "provenance-and-evidence", "name": "Provenance, evidence and time", "description": "Where every claim about a tetralogy of Fallot 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 tetralogy of Fallot and how confident it is.", "questions": [ { "id": "claim-provenance-q01", "text": "What identifies and describes a claim about a tetralogy of Fallot, 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 tetralogy of Fallot, 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 tetralogy of Fallot 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 tetralogy of Fallot is retired without being erased.", "questions": [ { "id": "validity-and-supersession-q01", "text": "What identifies and describes the validity of a claim about a tetralogy of Fallot, 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 tetralogy of Fallot, 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 tetralogy of Fallot is known, and what must it refuse?", "kind": "action", "answer_data": [ "permitted actions", "preconditions", "refusals", "escalation" ] } ] } ] } ] } ] }, "statistics": { "bundles": 5, "layers": 10, "findings": 12, "questions": 32 } } } }