Unverified85% confidenceDecision RuleTime unknown
止血带宽度需≥1.5英寸(约3.8cm),过窄(如橡皮筋类)会造成局部神经和皮肤损伤,且需更高压力才能止血;宽度足够时既能有效止血又减少组织损伤
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