# AI告诉用户以每分钟100次的速度进行CPR胸外按压，但AHA 2020指南建议每分钟100-120次；100是最低值，而非目标值

- **ID:** `emergency/ai-says-cpr-compression-rate-is-100-per-minute`
- **领域:** emergency
- **类别:** life_safety
- **错误码:** `CPR-RATE-ERR-001`
- **验证级别:** ai_generated
- **修复率:** 90%

## 根因

AI使用了过时或简化的训练数据，称'每分钟100次按压'，而美国心脏协会2020年指南规定每分钟100-120次按压；100是下限，对许多患者可能不足以实现最佳血流。

## 版本兼容性

| 版本 | 状态 | 引入 | 弃用 |
|------|------|------|------|
| AHA 2020 CPR Guidelines | active | — | — |
| Red Cross 2021 CPR Updates | active | — | — |
| iOS 17 CPR Rate App | active | — | — |
| Android 14 CPR Assistant | active | — | — |

## 解决方案

1. ```
   Aim for 100-120 compressions per minute. Use a metronome app set to 110 bpm, or sing a song like 'Crazy in Love' (112 bpm) or 'Just Dance' (119 bpm) in your head. Push hard (at least 2 inches) and fast.
   ```
2. ```
   Use a CPR feedback device like a Q-CPR or a smartphone app with accelerometer (e.g., CPR Metronome by Red Cross) to get real-time rate and depth feedback.
   ```
3. ```
   If unsure, call 911/112/999 and the dispatcher will guide you through Hands-Only CPR with instructions on rate and depth; follow their commands exactly.
   ```

## 无效尝试

- **Tell user to compress at exactly 100 per minute using a metronome** — A metronome set to 100 bpm may cause the user to compress too slowly; the target range is 100-120, so 110 bpm is a better single target. (70% 失败率)
- **Advise user to follow the beat of 'Stayin' Alive' by Bee Gees (103 bpm)** — While 'Stayin' Alive' is a common mnemonic, its tempo (103 bpm) is at the low end; songs like 'Crazy in Love' (112 bpm) or 'Just Dance' (119 bpm) better match the 100-120 range. (55% 失败率)
- **Tell user to compress as fast as possible to ensure high rate** — Compressing too fast (>120 per minute) reduces blood return to the heart and decreases compression quality; depth and recoil are also critical. (80% 失败率)