Unverified80% confidenceFactTime unknown
宠物正常SpO2应≥95%，持续低于90%提示明显缺氧需紧急就医；该数值范围与人类接近但因测量部位干扰更大需结合宠物行为综合判断
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80%
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Long-term
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Unverified选择带SpO2低氧声光报警且报警阈值可调（一般默认90%）的机型，呼吸道疾病、心脏病或术后监护宠物应设报警线在92%-94%以便早期干预81% similarUnverified宠物心率/血氧检测仪的探头（SpO2夹）需匹配体型：小型犬猫应选耳缘或舌部夹式探头，大型犬可用趾间或尾根，探头尺寸不匹配会因被毛阻挡光路导致血氧读数无效或偏低76% similarUnverified宠物呼吸道/心脏慢病居家监测方案：便携夹式血氧仪（带PI波形+可调报警）作日常筛查→出现SpO2持续＜93%或呼吸急促时立即就医→兽医台式监护仪用于诊室连续监护，家庭设备定位在'早发现'而非'诊断'76% similarUnverified心率/体温/血氧等生命体征监测在毛发浓密的宠物身上准确度大幅下降，光学传感器需紧贴皮肤，长毛犬猫的连续数据往往不可靠，仅适合活动量/睡眠等宏观趋势参考75% similarUnverified选购时优先看是否明确标注为'兽用（Veterinary）'血氧仪：兽用型号的算法针对动物心率范围（犬60-140、猫120-220 bpm，远高于人类）做了校准，人用型号在宠物高心率下容易读数漂移或无法锁定信号75% similar
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