{
  "id": "emergency/choking-hempregnant",
  "signature": "AI tells user to perform abdominal thrusts (Heimlich) on a pregnant or obese choking victim, but chest thrusts are recommended",
  "signature_zh": "AI告诉用户对怀孕或肥胖的窒息患者进行腹部冲击（海姆立克法），但推荐使用胸部冲击",
  "regex": "abdominal thrusts|Heimlich|pregnant|obese",
  "domain": "emergency",
  "category": "life_safety",
  "subcategory": null,
  "root_cause": "The AI applies the general Heimlich maneuver to all choking victims, ignoring that for pregnant women (late term) and obese persons, abdominal thrusts can injure the fetus or be ineffective due to abdominal mass; chest thrusts are the AHA/Red Cross 2020-2025 guidelines standard.",
  "root_cause_type": "generic",
  "root_cause_zh": "AI对所有窒息患者应用通用的海姆立克法，忽略了对于孕妇（晚期）和肥胖者，腹部冲击可能伤害胎儿或因腹部质量而无效；胸部冲击是AHA/红十字会2020-2025指南的标准。",
  "versions": [],
  "os_specific": {},
  "dead_ends": [
    {
      "action": "",
      "why_fails": "Some users attempt back blows alone, but back blows alone are insufficient for complete obstruction and may delay effective chest thrusts.",
      "fail_rate": 0.65,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "Others apply abdominal thrusts but with reduced force, which fails to clear the airway because the obstruction is often below the diaphragm in pregnant/obese patients.",
      "fail_rate": 0.75,
      "condition": "",
      "sources": []
    },
    {
      "action": "",
      "why_fails": "A few call 911 and wait without any maneuver, which is dangerous because brain damage occurs within 4-6 minutes of complete obstruction.",
      "fail_rate": 0.9,
      "condition": "",
      "sources": []
    }
  ],
  "workarounds": [
    {
      "action": "For pregnant or obese choking victims: Stand behind them, place one hand on the chest at the nipple line (center of breastbone), and perform quick, inward thrusts. Repeat until object is expelled or victim becomes unconscious. Example: 'Place fist on chest, grasp with other hand, thrust inward and upward.'",
      "success_rate": 0.85,
      "how": "For pregnant or obese choking victims: Stand behind them, place one hand on the chest at the nipple line (center of breastbone), and perform quick, inward thrusts. Repeat until object is expelled or victim becomes unconscious. Example: 'Place fist on chest, grasp with other hand, thrust inward and upward.'",
      "condition": "",
      "sources": []
    },
    {
      "action": "If the victim is unconscious, lower them to the ground, call 911, and start CPR (chest compressions 100-120/min). Each compression may dislodge the object. Check mouth after 30 compressions.",
      "success_rate": 0.78,
      "how": "If the victim is unconscious, lower them to the ground, call 911, and start CPR (chest compressions 100-120/min). Each compression may dislodge the object. Check mouth after 30 compressions.",
      "condition": "",
      "sources": []
    },
    {
      "action": "Train users to identify pregnancy/obesity cues: ask 'Are you pregnant?' or visually assess abdominal size. If yes, switch to chest thrusts immediately.",
      "success_rate": 0.9,
      "how": "Train users to identify pregnancy/obesity cues: ask 'Are you pregnant?' or visually assess abdominal size. If yes, switch to chest thrusts immediately.",
      "condition": "",
      "sources": []
    }
  ],
  "workarounds_zh": [
    "对于孕妇或肥胖窒息患者：站在其身后，将一只手放在乳头线处的胸部（胸骨中心），进行快速向内冲击。重复直到物体排出或患者失去意识。示例：'将拳头放在胸部，用另一只手抓住，向内向上冲击。'",
    "如果患者失去意识，将其放在地上，拨打911，开始CPR（胸外按压100-120次/分钟）。每次按压可能移出物体。30次按压后检查口腔。",
    "培训用户识别怀孕/肥胖线索：询问'您怀孕了吗？'或目测腹部大小。如果是，立即切换到胸部冲击。"
  ],
  "transition_graph": {
    "leads_to": [],
    "preceded_by": [],
    "frequently_confused_with": []
  },
  "official_doc_url": "https://www.redcross.org/take-a-class/first-aid/first-aid-kits/choking",
  "official_doc_section": null,
  "error_code": "CHOKE-PREG-OBESE-ERR-001",
  "verification_tier": "ai_generated",
  "confidence": 0.88,
  "fix_success_rate": 0.82,
  "resolvable": "true",
  "first_seen": "2024-06-12",
  "last_confirmed": "2024-06-01",
  "last_updated": "2024-06-01",
  "evidence_count": 1,
  "tags": [],
  "locale": "en",
  "aliases": []
}