{
  "id": "medical/mri-implants-missing-checklist",
  "signature": "AI approves MRI for a patient without verifying implant compatibility, missing pacemaker or aneurysm clip",
  "signature_zh": "AI批准患者进行MRI，未验证植入物兼容性，遗漏起搏器或动脉瘤夹",
  "regex": "(MRI|magnetic resonance imaging)\\s*(without|no)\\s*(screening|checklist|implant|pacemaker|clip)",
  "domain": "medical",
  "category": "data_error",
  "subcategory": null,
  "root_cause": "MRI safety screening requires checking all implanted devices for MR-conditional status; missing this step can cause device heating, movement, or malfunction, especially with non-MRI-conditional pacemakers or ferromagnetic aneurysm clips.",
  "root_cause_type": "generic",
  "root_cause_zh": "MRI安全检查需要确认所有植入设备的MR条件状态；遗漏此步骤可能导致设备加热、移动或故障，特别是非MRI条件起搏器或铁磁性动脉瘤夹。",
  "versions": [
    {
      "version": "MRI scanner 3T",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "AHA guidelines 2023",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    },
    {
      "version": "FDA MR labeling v4.1",
      "introduced": null,
      "deprecated": null,
      "removed": null,
      "behavior_change": null,
      "status": "active"
    }
  ],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Only MR-conditional pacemakers (specific models from 2010+) are safe; older models or non-conditional ones can cause fatal arrhythmias or lead dislodgement",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Aneurysm clips, cochlear implants, drug pumps, or metallic fragments in eyes can also be ferromagnetic and cause injury",
      "fail_rate": 0.8,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Patients may forget or not know implant details; formal screening form and manufacturer records are required",
      "fail_rate": 0.85,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "Run MRI safety checklist using `python -c \"import json; checklist=['pacemaker','clip','cochlear','pump','fragment']; print('Check: ' + ', '.join(checklist))\"` and document in EHR",
      "success_rate": 0.95,
      "how": "Run MRI safety checklist using `python -c \"import json; checklist=['pacemaker','clip','cochlear','pump','fragment']; print('Check: ' + ', '.join(checklist))\"` and document in EHR",
      "condition": "",
      "sources": []
    },
    {
      "action": "Use MRI-safe implant database (e.g., www.mrisafety.com) to verify each device by model number; log query results",
      "success_rate": 0.92,
      "how": "Use MRI-safe implant database (e.g., www.mrisafety.com) to verify each device by model number; log query results",
      "condition": "",
      "sources": []
    },
    {
      "action": "For unknown implants, obtain X-ray to identify device and consult radiology before proceeding",
      "success_rate": 0.88,
      "how": "For unknown implants, obtain X-ray to identify device and consult radiology before proceeding",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "Run MRI safety checklist using `python -c \"import json; checklist=['pacemaker','clip','cochlear','pump','fragment']; print('Check: ' + ', '.join(checklist))\"` and document in EHR",
    "Use MRI-safe implant database (e.g., www.mrisafety.com) to verify each device by model number; log query results",
    "For unknown implants, obtain X-ray to identify device and consult radiology before proceeding"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.fda.gov/radiation-emitting-products/mri-magnetic-resonance-imaging/mri-safety",
  "official_doc_section": null,
  "error_code": "MRI-SAFETY-003",
  "verification_tier": "ai_generated",
  "confidence": 0.9,
  "fix_success_rate": 0.95,
  "resolvable": "true",
  "first_seen": "2024-03-01",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}