
1. Introduction
Sodium cyanide (NaCN) ndi mankhwala oopsa kwambiri, ndipo mawonekedwe ake amadzimadzi amabweretsa zoopsa zazikulu pa thanzi la anthu komanso chilengedwe. Kumvetsetsa njira zake zophera poizoni ndikudziwa njira zoyenera zothandizira anthu oyamba ngati atakhudzidwa ndikofunika kwambiri kuti zitsimikizire chitetezo, makamaka m'mafakitale komwe imagwiritsidwa ntchito, monga migodi ya golide yochotsera poizoni komanso m'mafakitale ena opanga mankhwala.
2. Kuopsa kwa Liquid Sodium Cyanide
2.1. Njira ya Toxicity
Madzi a Sodium Cyanide amapatukana m'thupi kuti atulutse ma ayoni a cyanide (CN⁻). Ma ayoni a cyanide awa ali ndi mphamvu yayikulu kwambiri ya cytochrome oxidase, enzyme complex mu mitochondria ya maselo. Mwa kumangirira ku cytochrome oxidase, cyanide imaletsa unyolo woyendera ma elekitironi, womwe ndi gawo lofunika kwambiri la kupuma kwa aerobic. Zotsatira zake, maselo sangathe kugwiritsa ntchito mpweya bwino, zomwe zimapangitsa kuti pakhale vuto la histotoxic hypoxia. Mwachidule, maselo amasowa mpweya ngakhale atakhala ndi magazi okwanira, zomwe zimasokoneza magwiridwe antchito abwinobwino a maselo ndi kagayidwe kachakudya.
2.2. Njira Zowonetseredwa ndi Zogwirizana nazo Poizoni
2.2.1. Kukoka mpweya
Ngati nthunzi kapena utsi wa madzi a sodium cyanide wapumidwa, zizindikiro zimatha kuchitika mwachangu kwambiri. Njira yopumira ndiyo yoyamba kukhudzidwa. Zizindikiro zoyambirira zitha kuphatikizapo kukwiya pakhosi, kukhosomola, komanso kumva kupsinjika pachifuwa. Pamene kukhudzidwako kukupitirira, zizindikiro zoopsa monga kupuma movutikira, kupuma mofulumira, komanso pamene munthu akukhala ndi mpweya wambiri, kupuma kumatha kuyima. Kupuma ngakhale pang'ono kwa cyanide - komwe kuli ndi nthunzi kungakhale koopsa chifukwa cha kulowa mwachangu kwa cyanide m'magazi kudzera m'mapapo.
2.2.2. Kukhudza Khungu
Kukhudzana mwachindunji ndi sodium cyanide yamadzimadzi kungakhalenso koopsa. Kuchuluka kwa sodium cyanide m'madzimadzi kungayambitse kuyabwa, kupsa, ndi dzimbiri pakhungu. Kuphatikiza apo, ngati pali mabala, mikwingwirima, kapena mabala otseguka pakhungu, cyanide imatha kulowa m'magazi. Kukhudzana kwa khungu kwa nthawi yayitali kapena kwakukulu kungayambitse poizoni m'thupi, ndi zizindikiro zofanana ndi za kumwa kapena kupuma, monga mutu, chizungulire, kufooka, komanso nthawi zina, kulephera kwa mtima.
2.2.3. Kumeza
Kumwa madzi a sodium cyanide ndikoopsa kwambiri. Ngakhale zochepa zimatha kupha. Ma cyanide ions amatengedwa mwachangu kudzera m'matumbo a m'mimba kulowa m'magazi. Zizindikiro nthawi zambiri zimayamba mkati mwa mphindi zingapo ndipo zimatha kukhala nseru, kusanza, kupweteka m'mimba, ndi kutentha mkamwa ndi mmero. Pamene chiphecho chikufalikira m’thupi, chingayambitse kukomoka, kukomoka, ndipo pamapeto pake, imfa chifukwa cha kupuma ndi kulephera kwa mtima.
2.3. Mlingo wa Lethal
Mlingo wakupha wa sodium cyanide wamadzimadzi ukhoza kusiyanasiyana malingana ndi zinthu monga njira yowonekera, thanzi la munthu, ndi kulemera kwa thupi. Komabe, nthawi zambiri, sodium cyanide ndi poizoni kwambiri, ndipo yocheperako imatha kupha. Mwachitsanzo, mlingo wakupha wapakamwa mwa anthu umakhala wosakwana 5 mg/kg ya kulemera kwa thupi. Izi zikutanthauza kuti kwa munthu wamkulu wamkulu (pafupifupi 70 kg), osachepera 350 mg wa sodium cyanide akhoza kukhala wakupha ngati atamwa.
3. Choyamba - Njira zothandizira
3.1. Kukoka mpweya
Kutuluka Mwamsanga : Ngati wina wapuma nthunzi yamadzimadzi ya sodium cyanide kapena nthunzi, ayenera kuchotsedwa mwachangu pamalo oipitsidwawo kupita kumalo okhala ndi mpweya wabwino. Izi zimathandiza kuti munthu asakumanenso ndi poizoniyo.
Sungani Mpweya ndi Kupuma : Onetsetsani kuti mpweya wa wovulalayo uli bwino. Ngati wovulalayo akuvutika kupuma, perekani mpweya wochita kupanga ngati mwaphunzitsidwa kutero. Komabe, ndikofunikira kuti musamutse mpweya pakamwa chifukwa pali chiopsezo choti munthuyo alowe mu mpweya wa cyanide. M'malo mwake, gwiritsani ntchito chigoba chokhala ndi thumba - valavu - chokhala ndi mpweya wowonjezera ngati chilipo.
Funani Thandizo la Chipatala Mwachangu : Imbani ogwira ntchito zachipatala zadzidzidzi (EMS) nthawi yomweyo. Mukuyembekezera ambulansi, yang'anirani zizindikiro zofunika za wovulalayo, monga kupuma ndi kugunda kwa mtima. Ngati wovulalayo wataya chikumbumtima kapena wakumana ndi vuto la mtima, yambani kutsitsimutsa mtima (CPR) ngati mwaphunzitsidwa, kutsatira malangizo oyenera.
3.2. Kukhudza Khungu
Chotsani Zovala Zodetsedwa : Mwachangu momwe mungathere, chotsani zovala zilizonse zomwe zakhudzana ndi sodium cyanide yamadzimadzi. Izi zimathandiza kuti khungu lisawonekere komanso kuti lisalowe. Mukachotsa zovalazo, samalani kuti musafalitse mankhwalawo ku ziwalo zina za thupi kapena kwa wopulumutsa.
Sambani Khungu Bwinobwino : Tsukani malo okhudzidwa ndi khungu ndi madzi ambiri othamanga kwa mphindi zosachepera 20. Izi zimathandiza kuchepetsa ndikuchotsa sodium cyanide pakhungu. Ngati ilipo, yankho la 5% la sodium thiosulfate lingagwiritsidwe ntchito kutsuka khungu mukatha kutsuka koyamba ndi madzi. Sodium thiosulfate ingathandize kuthetsa cyanide pakhungu.
Pitani kuchipatala : Mukatsuka khungu, wodwalayo ayenera kupita kuchipatala kuti akawonedwe bwino ndi kulandira chithandizo. Ngakhale khungu silikuwoneka kuti lakhudzidwa kwambiri, pakhoza kukhalabe chiopsezo cha poizoni m'thupi, ndipo akatswiri azachipatala amatha kuyang'anira zizindikiro zilizonse za poizoni.
3.3. Kumeza
Musamavutitse Kusanza : Musamavutitse kusanza chifukwa izi zingayambitse kuwonongeka kwina kwa m'mero ndikuwonjezera chiopsezo chotulutsa poizoni m'mapapo.
Tsukani Pakamwa : Ngati wodwalayo ali ndi chikumbumtima, tsukani pakamwa pake bwino ndi madzi kuti muchotse zotsalira za sodium cyanide yamadzimadzi.
Perekani Mankhwala Oletsa Kutupa Motsogozedwa ndi Dokotala : Mankhwala akuluakulu oletsa poizoni wa cyanide ndi hydroxocobalamin (Cyanokit) ndi kuphatikiza kwa sodium nitrite ndi sodium thiosulfate. Komabe, mankhwala awa ayenera kuperekedwa ndi akatswiri azachipatala okha. EMS iyenera kuyimbidwa nthawi yomweyo, ndipo wovulalayo ayenera kunyamulidwa kupita kuchipatala mwachangu momwe angathere. Kuchipatala, mankhwala oyenera adzaperekedwa kutengera kuopsa kwa poizoniyo komanso momwe wodwalayo alili.
Chisamaliro Chothandizira : Kuwonjezera pa chithandizo cha mankhwala, wozunzidwayo angafunike chisamaliro chothandizira, monga madzi a m'mitsempha kuti asalowe m'thupi, mankhwala oletsa khunyu ngati atachitika, komanso kuyang'anira mosamala zizindikiro zofunika kwambiri, kuphatikizapo kugunda kwa mtima, kuthamanga kwa magazi, ndi kuchuluka kwa mpweya m'thupi.
4. Kupewa ndi Chitetezo
Kuti mupewe kukhudzana ndi sodium cyanide yamadzimadzi, njira zotetezera ziyenera kutsatiridwa m'malo antchito omwe amagwiritsidwa ntchito. Ogwira ntchito akuyenera kupatsidwa zida zoyenera zodzitetezera (PPE), kuphatikizapo magolovesi osamva mankhwala, magalasi, ndi chitetezo cha kupuma. Malo ogwirira ntchito akuyenera kukhala ndi mpweya wabwino kuti achepetse chiopsezo cha mpweya wa cyanide. Payeneranso kukhala ndi zizindikiro zosonyeza kukhalapo kwa poizoniyo, ndipo ogwira ntchito ayenera kuphunzitsidwa nthawi zonse za kusamala ndi kusunga madzi a sodium cyanide, komanso zoyenera kuchita ngati atapezeka mwangozi.
Pomaliza, sodium cyanide yamadzimadzi ndi chinthu chapoizoni kwambiri, ndipo kuwonekera kulikonse kungakhale ndi zotsatira zoyipa pamoyo wamunthu. Kudziwa njira zakupha komanso kudziwa njira zoyenera zothandizira kungathandize kwambiri kupulumutsa miyoyo pakagwa mwadzidzidzi.
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