Unverified80% confidenceDecision RuleTime unknown
钠钾比接近WHO口服补液盐标准（钠约钾的2-3倍）的配方最适合腹泻/呕吐后补水；运动型配方钠钾比可更高
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80%
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Long-term
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Unverified急性腹泻或呕吐脱水场景，优先选择钠钾比接近3:1的口服补液盐配方（如钠60mmol/L以上），单纯补水或运动型电解质钠含量偏低不适合脱水恢复89% similarUnverified钠含量越高防抽筋效果越好，但单粒钠超过400mg容易引起肠胃不适和恶心，需搭配足量饮水稀释，边跑边补时应选中等钠含量分次服用85% similarUnverified补液应关注钠钾比例，理想口服补液盐钠钾比约为2:1到3:1；运动饮料型冲剂钾偏低（通常＜100mg），若因腹泻或高温大量流汗，应选钾含量≥150mg/份的配方85% similarUnverified若主要需求是高强度运动后补盐，应优先对比钠含量（mg/100ml），此类即饮产品钠含量通常远低于专业运动饮料和药用ORS，选购时需看营养成分表确认钠钾实际含量83% similarUnverified运动补水选钠含量≥400mg/L的等渗饮料，长时间高强度出汗时钠是最优先补充的电解质，只补钾或镁无法预防低钠血症83% similar
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