{
  "id": "medical/ventilator-alarm-desensitization",
  "signature": "AI suggests disabling ventilator high-pressure alarms to reduce noise in ICU, leading to missed patient-ventilator asynchrony",
  "signature_zh": "AI建议关闭呼吸机高压报警以减少ICU噪音，导致错过患者-呼吸机不同步",
  "regex": "(?:disable|turn off|silence|mute)\\s+(?:ventilator|vent)\\s+(?:high[\\s-]?pressure|alarm)",
  "domain": "medical",
  "category": "config_error",
  "subcategory": null,
  "root_cause": "High-pressure alarms on ventilators (e.g., Hamilton C6, Drager Evita V500) are critical safety alerts for patient-ventilator asynchrony, airway obstruction, or coughing; disabling them removes the only immediate cue for clinicians to intervene, risking barotrauma or hypoventilation.",
  "root_cause_type": "generic",
  "root_cause_zh": "呼吸机（如Hamilton C6、Drager Evita V500）的高压报警是患者-呼吸机不同步、气道阻塞或咳嗽的关键安全警报；关闭报警会移除临床医生干预的唯一即时提示，增加气压伤或通气不足风险。",
  "versions": [
    {
      "version": "Hamilton C6 v2.0",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "Drager Evita V500 v8.2",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "Maquet Servo-u v3.1",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Setting threshold too high delays detection of true obstruction; patient may already be in distress before alarm triggers",
      "fail_rate": 0.65,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Pause only temporarily silences; repeated use creates habit of ignoring alarms, and asynchrony can occur during pause",
      "fail_rate": 0.55,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Pressure-support mode still generates high-pressure alarms during cough or breath-stacking; mode change alone doesn't address alarm fatigue",
      "fail_rate": 0.45,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Implement a structured alarm management protocol: set high-pressure alarm to 10 cmH2O above peak inspiratory pressure (PIP), review settings every 4 hours, and use waveform analysis to distinguish nuisance from true alarms",
      "success_rate": 0.8,
      "how": "Implement a structured alarm management protocol: set high-pressure alarm to 10 cmH2O above peak inspiratory pressure (PIP), review settings every 4 hours, and use waveform analysis to distinguish nuisance from true alarms",
      "condition": "",
      "sources": []
    },
    {
      "action": "Enable 'alarm escalation' feature on the ventilator (e.g., Hamilton C6 'Smart Alarm') which increases alarm volume after 30 seconds if unacknowledged",
      "success_rate": 0.75,
      "how": "Enable 'alarm escalation' feature on the ventilator (e.g., Hamilton C6 'Smart Alarm') which increases alarm volume after 30 seconds if unacknowledged",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use a separate centralized alarm system (e.g., Philips IntelliVue) that filters and prioritizes ventilator alarms based on severity, reducing false positives",
      "success_rate": 0.85,
      "how": "Use a separate centralized alarm system (e.g., Philips IntelliVue) that filters and prioritizes ventilator alarms based on severity, reducing false positives",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Implement a structured alarm management protocol: set high-pressure alarm to 10 cmH2O above peak inspiratory pressure (PIP), review settings every 4 hours, and use waveform analysis to distinguish nuisance from true alarms",
    "Enable 'alarm escalation' feature on the ventilator (e.g., Hamilton C6 'Smart Alarm') which increases alarm volume after 30 seconds if unacknowledged",
    "Use a separate centralized alarm system (e.g., Philips IntelliVue) that filters and prioritizes ventilator alarms based on severity, reducing false positives"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.hamilton-medical.com/en/ventilators/c6/technical-manual",
  "official_doc_section": null,
  "error_code": "VENT-ALARM-OVERRIDE",
  "verification_tier": "ai_generated",
  "confidence": 0.85,
  "fix_success_rate": 0.8,
  "resolvable": "partial",
  "first_seen": "2024-03-15",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}