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پالس اکسیمتر

پالس اکسیمتر

پالس اکسیمتر (Pulse Oximeter) یا اکسیژن‌سنج خون وسیله‌ای است که با کمک آن می‌توان میزان درصد اشباع اکسیژن خون سرخرگ انسان را اندازه‌گیری کرد.

پالس اکسیمتری روشی غیرتهاجمی است که میزان مولکول‌های هموگلوبینی را که با اکسیژن آمیخته شده‌اند ،اندازه گیری و به درصد بیان می‌کند.میزان نرمال آن 95-97% است اگر این میزان در بیماران کمتر از 90% شود زنگ هشدار به صدا درمی‌آید . همچنین اکثر دستگاه‌های پالس اکسی متر تعداد و آهنگ ضربان قلب ‎را نیز نمایش می‌دهند با این وسیله می‌توان درباره‌ی هایپوکسمی (کم شدن اکسیژن خون ) هشدار داد و با اجتناب از حملات هیپوکسی پیامد بیماران جراحی را بهبود بخشید . هایپوکسمی زمانی رخ می‌دهد که به بیمار بی حسی موضعی یا آرام‌بخش زده شود و یا زمانی که بیمار پس از یک بیهوشی عمومی به هوش آید . این وسیله در سال 1980معرفی شد و اکنون به عنوان یک روش استاندارد به کارمی‌رود.



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