Hukumar Kula da Kula da Lafiya ta ECG
Cikakkun bayanai
Fasahar PPG dangane da sa ido na gani fasaha ce ta gani da za ta iya samun bayanan aikin zuciya ba tare da auna siginar lantarki ba.Babban ka'ida ita ce yayin da zuciya ke bugawa, za a sami raƙuman matsa lamba da ke yaduwa ta hanyoyin jini.Wannan kalaman zai dan canza diamita na tasoshin jini.Kulawa da PPG yana amfani da wannan canjin don samun canjin zuciya a duk lokacin da ta buga.Ana amfani da PPG musamman don auna yawan iskar oxygen na jini (SpO2), don haka zai iya samun bayanan bugun zuciya (watau bugun zuciya) na batun a hanya mai sauƙi.
Ana gano fasahar saka idanu ta ECG na tushen Electrode ta hanyar samar da wutar lantarki, kuma ana iya gano yuwuwar watsawar zuciya ta amfani da na'urorin da aka makala a saman fatar mutum.A cikin kowane zagayowar zuciya, zuciya tana jin daɗi a jere ta hanyar na'urar bugun zuciya, atrium, da ventricle, tare da canje-canje a cikin ƙarfin aiki na ƙwayoyin tsokar zuciya marasa ƙima.Ana kiran waɗannan canje-canje na bioelectric ECG.Ta hanyar ɗaukar sigina na bioelectric sannan a sarrafa su ta hanyar dijital, ana canza su zuwa Bayan sarrafa siginar dijital, yana iya fitar da cikakkun bayanai game da lafiyar zuciya.
A kwatanta: fasahar PPG dangane da saka idanu na gani ya fi sauƙi kuma ƙananan farashi, amma daidaiton bayanan da aka samu ba shi da girma kuma kawai ana samun darajar bugun zuciya.Duk da haka, fasahar saka idanu ta ECG na tushen lantarki ya fi rikitarwa, kuma siginar da aka samu ya fi dacewa kuma ya haɗa da dukan sake zagayowar zuciya, ciki har da rukunin raƙuman ruwa na PQRST, don haka farashin ya fi girma.Don saka idanu na ECG mai wayo mai wayo, idan kuna son samun madaidaicin siginar ECG, babban guntu na ECG da aka keɓe yana da mahimmanci.Saboda babban matakin fasaha, wannan madaidaicin guntu a halin yanzu ana amfani da shi ta waje TI na waje, Samar da kamfanoni irin su ADI, kwakwalwan cikin gida suna da doguwar tafiya.
Takamaiman kwakwalwan kwamfuta na ECG na TI sun haɗa da jerin ADS129X, gami da ADS1291 da ADS1292 don aikace-aikacen sawa.Guntuwar ADS129X tana da ginanniyar 24-bit ADC, wanda ke da daidaiton sigina, amma rashin amfanin aikace-aikacen a lokuta masu wahala shine: girman fakitin wannan guntu yana da girma, yawan amfani da wutar lantarki yana da girma, kuma akwai da yawa da yawa. na gefe sassa.Bugu da kari, aikin wannan guntu a cikin tarin ECG ta amfani da na'urorin lantarki na karfe matsakaici ne, kuma amfani da na'urorin lantarki a aikace-aikacen sawa ba makawa ne.Wata babbar matsalar da ke tattare da wannan silsilar kwakwalwan kwamfuta ita ce, farashin naúrar ya yi tsada sosai, musamman ma a yanayin da ake fama da shi, ana samun ƙarancin wadata kuma farashin ya ragu.
Takamaiman kwakwalwan kwamfuta na ADS na ECG sun haɗa da ADAS1000 da AD8232, waɗanda AD8232 ke daidaitawa zuwa aikace-aikacen sawa, yayin da ADAS1000 ya fi amfani da kayan aikin likita na ƙarshe.ADAS1000 yana da ingancin siginar kwatankwacin na ADS129X, amma ƙarin matsalolin sun haɗa da yawan amfani da wutar lantarki, ƙarin hadaddun kayan aiki da manyan farashin guntu.AD8232 ya fi dacewa da aikace-aikacen sawa dangane da amfani da wutar lantarki da girmansa.Idan aka kwatanta da jerin ADS129X, ingancin siginar ya bambanta sosai.Hakanan a cikin aikace-aikacen aikace-aikacen busassun lantarki na ƙarfe, ana kuma buƙatar ingantaccen algorithm.Don amfani da na'urorin lantarki na ƙarfe a cikin yanayin aikace-aikacen sawa, daidaiton siginar matsakaici ne kuma akwai murdiya, amma idan kawai don samun ingantattun siginar bugun zuciya, wannan guntu ba komai bane face gamsarwa.
