Unverified90% confidenceDecision RuleTime unknown
止血带宽度≥3.8cm(1.5英寸)才符合TCCC战术标准,窄于此宽度会切割组织且难以完全阻断动脉血流;家庭/日常场景可接受但户外重伤救援必须选宽款
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