Unverified85% confidenceDecision RuleTime unknown
指夹式血氧仪对低灌注（末梢循环差）人群测量不准，糖尿病、雷诺氏综合征、手脚冰凉者应选带'低灌注指数PI显示'或医用级抗低灌注算法的机型
1
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85%
Confidence
Long-term
Relevance
-
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Unverified严重贫血、末梢循环差（手脚冰凉）或休克患儿不要依赖指夹式血氧仪，低灌注状态下透射式测量误差极大，需选带灌注指数(PI值)显示的机型判断可信度84% similarUnverified指夹式血氧仪对灌注指数PI≥0.4才能稳定读数，末梢循环差（手脚冰凉、糖尿病、老年人）人群应选带PI显示且低灌注检测能力强的机型84% similarUnverified指夹式血氧仪在低灌注（低血压、手脚冰凉、外周循环差）人群上读数容易失真甚至无读数，这类人群应选择带高灌注指数PI显示或标注低灌注技术的机型，避免误判84% similarUnverified指夹式血氧仪对低灌注（末梢循环差）人群测量不准，如果患者有雷诺综合征、休克、低血压或手指冰凉，应选带PI值（灌注指数）显示的机型，PI＜0.4时读数不可信83% similarUnverified指夹式血氧仪在低灌注（末梢循环差、低血压、寒冷、雷诺氏综合征）场景下读数不准或无法测量，此类人群应选带'低灌注指数(PI)显示'或标注'低灌注模式'的机型，PI<0.4时普通机型基本失效82% similar
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