基础心肺复苏步骤

急救教程信息图,2:3,标题《徒手心肺复苏:4个关键步骤》。四个大号编号面板:1 检查反应并呼叫急救,2 跪姿把手掌置于胸部正中,3 用力快速下压约5厘米,4 保持每分钟100-120次直到救援到达。底部有节拍条'100-120 次/分'。清晰线描人物、醒目红白配色、高对比安全设计、粗圆图标,紧迫又整洁的医疗指南美学,大号易读无衬线。

A first-aid how-to infographic, 2:3, titled 'Hands-Only CPR: 4 Key Steps'. Four large numbered panels: 1 Check response & call emergency, 2 Kneel & place hands on chest center, 3 Push hard & fast, 2 inches deep, 4 Continue 100-120 pushes per minute until help arrives. A metronome-style beat bar sits at the bottom '100-120 bpm'. Clear line-art human figures, bold red-and-white palette, high-contrast safety design, thick rounded icons, urgent yet clean medical-guide aesthetic, large legible sans-serif.