{"schema":"https://ver.cy/schemas/card/1.0.0","id":"vr.tr.appendicitis","code":"thing-q121041","url":"https://ver.cy/models/thing/q121041/","name":"appendicitis","alternateNames":["Amyand's hernia","Lockwood's sign","perityphlitic abscess","appendicular infiltration","chronic appendicitis"],"kind":"thing","status":"published","version":"0.2.0-wave.3","language":"en","classifiers":{"family":"Thing Registry","category":"Cross-cutting context","entryKind":"thing","plane":"XCT","domain":["XCT.STA"],"industry":[],"navPath":"","tags":[],"facets":{}},"whatItIs":"Inflammation of the appendix, a small pouch attached to the large intestine, usually from obstruction and infection, causing abdominal pain that typically moves to the lower right, with nausea, fever and tenderness; appendicitis is a common surgical emergency treated by appendicectomy or, in selected cases, antibiotics, and complications include perforation and abscess, while rare presentations include the appendix within a hernia and disputed chronic forms.","purpose":"Let an agent explain appendicitis in general terms, relay signs, diagnosis and treatment principles from surgical guidelines, identify warning signs that require emergency care, and route personal symptoms to emergency services and clinicians.","scope":{"in":[],"out":[],"boundaries":[]},"distinguishingFeatures":["Migrating right lower abdominal pain","Surgical emergency","Risk of perforation","Imaging and clinical scores in diagnosis"],"structure":{"bundles":[{"id":"understand","name":"Understand","description":"What appendicitis is.","layers":[{"id":"definition","name":"Definition","description":"Definition and signs.","findings":[{"id":"definition-finding","name":"Definition","description":"Definition.","questions":[{"text":"What is appendicitis, and what signs does it cause?","kind":"definition"},{"text":"Is the user describing acute abdominal pain now, which needs emergency care?","kind":"boundary"}]}]},{"id":"causes","name":"Causes","description":"Causes and risk.","findings":[{"id":"causes-finding","name":"Causes","description":"Causes.","questions":[{"text":"What causes appendicitis, and who is most affected?","kind":"definition"},{"text":"Which entry fits the appendix?","kind":"action"}]}]}]},{"id":"clinical","name":"Clinical","description":"Diagnosis and treatment.","layers":[{"id":"diagnosis","name":"Diagnosis","description":"Diagnosis.","findings":[{"id":"diagnosis-finding","name":"Diagnosis","description":"Diagnosis.","questions":[{"text":"How is appendicitis diagnosed, using examination, scores and imaging?","kind":"provenance"},{"text":"Is the presentation free of personal medical advice?","kind":"boundary"}]}]},{"id":"treatment","name":"Treatment","description":"Treatment principles.","findings":[{"id":"treatment-finding","name":"Treatment","description":"Treatment.","questions":[{"text":"What do guidelines say about surgery versus antibiotics, in general terms?","kind":"provenance"},{"text":"Which references are standard?","kind":"provenance"}]}]}]},{"id":"special","name":"Special","description":"Complications and special cases.","layers":[{"id":"complications","name":"Complications","description":"Complications.","findings":[{"id":"complications-finding","name":"Complications","description":"Complications.","questions":[{"text":"What are perforation, abscess and appendicular mass, and how are they managed?","kind":"provenance"},{"text":"Which entry fits peritonitis?","kind":"action"}]}]},{"id":"groups","name":"Groups","description":"Special groups.","findings":[{"id":"groups-finding","name":"Groups","description":"Groups.","questions":[{"text":"How does appendicitis present and get managed in pregnancy, children and older adults?","kind":"provenance"},{"text":"Which entry fits the specific group?","kind":"action"}]}]}]},{"id":"context","name":"Context","description":"Burden and history.","layers":[{"id":"burden","name":"Burden","description":"Burden.","findings":[{"id":"burden-finding","name":"Burden","description":"Burden.","questions":[{"text":"What do studies report about incidence and outcomes, with sources?","kind":"measurement"},{"text":"Which sources are cited?","kind":"provenance"}]}]},{"id":"history","name":"History","description":"History.","findings":[{"id":"history-finding","name":"History","description":"History.","questions":[{"text":"How was appendicitis recognised and how did appendicectomy develop?","kind":"provenance"},{"text":"Which entry fits the history of surgery?","kind":"action"}]}]}]}]},"agentConduct":{"may":["Explain appendicitis in general terms from medical sources.","Urge a person with severe or worsening abdominal pain to seek emergency care."],"mustNot":["Diagnose or rule out appendicitis from symptoms described.","Advise waiting, painkillers or home remedies for suspected appendicitis.","Recommend surgery or antibiotics in place of a clinician."],"requiresHuman":["Any treatment decision, which belongs to the patient and their clinicians."]},"ethics":{"considerations":["Delay in care can lead to rupture and life-threatening infection.","Children and pregnant people may have unusual symptoms and are at higher risk of missed diagnosis."],"affectedParties":["Patients","Parents of sick children","Clinicians"]},"owners":{"steward":"Nobody owns a disease; clinicians keep patient records.","roles":[],"masterSystems":[]},"relations":[{"target":"Q18556754","type":"parent","note":"registry parent class"},{"target":"Q30314067","type":"parent","note":"registry parent class"},{"target":"Q60196521","type":"parent","note":"registry parent class"},{"target":"appendix disease","type":"related","note":"in registry terms"},{"target":"intraabdominal infection","type":"related","note":"in registry terms"},{"target":"appendectomy","type":"related","note":"the standard operation"},{"target":"vermiform appendix","type":"related","note":"the organ"}],"interaction":{"identity":{"applicability":"required","items":["Vercy registry: vr.tr.appendicitis","Wikidata: Q121041 (https://www.wikidata.org/wiki/Q121041)","ICD-10: K35-K37 appendicitis","ICD-11: DB10"]},"properties":{"applicability":"not-applicable","items":["lifetime risk: about 7-8 percent - estimates","peak age: about 10-30 years"]},"recognition":{"applicability":"optional","items":["Inflamed appendix","Acute surgical emergency","Other causes of abdominal pain such as gastroenteritis and gynaecological conditions are distinguished clinically","Not a visible object; presentations include abdominal pain, tenderness and fever."]},"capabilities":{"applicability":"required","items":["explain the condition and signs","relay diagnosis and treatment principles","identify emergency warning signs","route personal symptoms to emergency care"]},"hazards":{"applicability":"required","items":["Perforation and sepsis from delayed treatment","Misdiagnosis in atypical presentations","Agents giving personal medical advice instead of routing to emergency care"]},"interfaces":{"applicability":"required","items":["Surgical society guidelines on appendicitis","Emergency care standards","Antibiotic stewardship guidance"]},"context":{"applicability":"required","items":["Not applicable; a disease.","acute uncomplicated appendicitis","complicated appendicitis with perforation or abscess, including perityphlitic abscess","appendicular mass or infiltration","appendicitis in pregnancy, children and older adults","rare presentations such as appendicitis within an inguinal hernia","disputed chronic or recurrent appendicitis"]}},"sources":[{"title":"Wikidata item Q121041: appendicitis","url":"https://www.wikidata.org/wiki/Q121041","note":"identity and sense of the item"},{"title":"Wikipedia: Appendicitis","url":"https://en.wikipedia.org/wiki/Appendicitis","note":"general description of the item"}],"openQuestions":["Should appendectomy be the linked primary entry?","How should guidelines be linked?","The registry entry has merged aliases naming signs and rare presentations; should they be split off?"],"resources":{"spec":"/models/things/publications/thing-q121041/spec.json"},"provenance":{"origin":"thing registry research (pass 2)","builtFrom":["models/things/publications/thing-q121041/spec.json"],"providers":["Claude"],"researchStatus":"unreviewed","generatedAt":"2026-09-12T23:20:25Z","builder":"tools/build_cards.py@1.0.0"},"completeness":{"sections":{"classifiers":"filled","whatItIs":"filled","purpose":"filled","distinguishingFeatures":"filled","structure":"filled","agentConduct":"filled","ethics":"filled","owners":"filled","relations":"filled","interaction.identity":"filled","interaction.properties":"not-applicable","interaction.recognition":"filled","interaction.capabilities":"filled","interaction.hazards":"filled","interaction.interfaces":"filled","interaction.context":"filled","sources":"filled"},"notes":{"_gate":"Published through the thing publication gate 1.0 on 2026-10-06T19:51:53+00:00: completeness 1.00; sense: Wikidata description; 2 live sources; review by codex: pass","interaction.properties":"Plane XCT: no invented physical properties."},"score":1.0}}