Pulse oximetry

ʻO ka Pulse oximetry kahi ala noninvasive no ka nānā ʻana i ka saturation oxygen o ke kanaka (SO2).ʻOiai ʻaʻole like like kāna heluhelu ʻana i ka saturation oxygen peripheral (SpO2) me ka heluhelu makemake nui ʻia o ka arterial oxygen saturation (SaO2) mai ka nānā ʻana i ke kinoea koko arterial, ua hoʻopili maikaʻi ʻia nā mea ʻelua i ke ʻano palekana, kūpono, noninvasive, inexpensive pulse oximetry method. He mea waiwai ia no ke ana ʻana i ka saturation oxygen i ka hoʻohana lāʻau lapaʻau.

Ma kāna ʻano noi maʻamau (transmissive), kau ʻia kahi mea ʻike ma kahi ʻāpana lahilahi o ke kino o ka mea maʻi, maʻamau ka manamana lima a i ʻole ka pepeiao, a i ʻole ke keiki pēpē, ma waena o kahi wāwae.Hāʻawi ka mea hana i ʻelua mau nalu o ka mālamalama ma o ka ʻāpana kino i kahi mea nānā kiʻi.He ana ia i ka hoʻololi ʻana o ka absorbance ma kēlā me kēia o nā nalu nalu, e ʻae iā ia e hoʻoholo i ka hoʻopaʻa ʻana ma muli o ke koko pulsing arterial wale nō, koe wale nō ke koko venous, ka ʻili, ka iwi, ka ʻiʻo, ka momona, a (i ka hapanui o nā hihia) nail polish.[1]

ʻO ka Reflectance pulse oximetry kahi mea ʻokoʻa maʻamau i ka transmissive pulse oximetery.ʻAʻole koi kēia ʻano i kahi ʻāpana lahilahi o ke kino o ke kanaka a no laila ua kūpono i ka hoʻohana āpau e like me nā wāwae, ka lae, a me ka umauma, akā aia kekahi mau palena.ʻO ka Vasodilation a me ka hoʻoulu ʻana o ke koko venous ma ke poʻo ma muli o ka hoʻihoʻi ʻana o ka venous i ka puʻuwai hiki ke hoʻohui i nā puʻuwai arterial a me venous i ka lae a alakaʻi i nā hopena SpO2 hoʻopunipuni.ʻO ia mau kūlana i ka wā e hana ana i ka anesthesia me ka endotracheal intubation a me ka mechanical ventilation a i ʻole i nā maʻi ma ke kūlana Trendelenburg.[2]