Cishe uke wazibona lezo mithambo eluhlaza okwesibhakabhaka ngaphansi kwesikhumba sethu, ikakhulukazi ezingalweni nasemilenzeni yethu, akunjalo? Sonke sizibiza ngokuthi “imithambo,” kodwa empeleni ziyini? Wake wazibuza ukuthi yimuphi umsebenzi obaluleke kakhulu wale mithambo emzimbeni wethu? Yilokho esizokhuluma ngakho kulesi sihloko namuhla, kalula nangendlela enobungane. Ake sibheke le mithambo, okungukuthi, konke mayelana nemithambo.
Iyini imithambo kalula?
Kalula nje, imithambo yegazi iwuhlobo lomthambo wegazi ohamba emizimbeni yethu yonke. Ifana nenethiwekhi yemigwaqo ethwala izimpahla emizimbeni yethu. Umsebenzi wayo oyinhloko ukubuyisela igazi elingenawo umoya-mpilo enhliziyweni ngemva kokuba selisetshenziswe ezingxenyeni ezahlukene zomzimba.
Cabanga nje, cishe u-75% womthamo wegazi ophelele emzimbeni wethu ukule mithambo nganoma yisiphi isikhathi. Lokho kusho ukuthi imithambo iyingxenye ebaluleke kakhulu ohlelweni lwethu lokujikeleza kwegazi.
Uyini umehluko omkhulu phakathi kwemithambo yegazi nemithambo yegazi?
Kungenzeka ukuthi uke wezwa ngemithambo yegazi. Nakuba zombili lezi zithwala igazi, kunomehluko omkhulu phakathi kwazo zombili.
- Imithambo yegazi: Le mithambo yegazi ithwala igazi elinomoya-mpilo elisuka enhliziyweni liye kuzo zonke izingxenye zomzimba, njengamapayipi athwala amanzi ahlanzekile avela ethangini lamanzi aya kuzo zonke izingxenye zendlu.
- Imithambo: Le mithambo iqoqa igazi elingenawo umoya-mpilo emzimbeni wonke bese ilibuyisela enhliziyweni. Kufana kakhulu nohlelo lwamapayipi oluqoqa futhi lususe amanzi angcolile ekhaya lakho.
Kodwa kukhona icala elilodwa elikhethekile lalokhu. Lelo yimithambo yamaphaphu . Le mithambo ihambisa igazi elinomoya-mpilo elivela emaphashini liye enhliziyweni. Lena ukuphela kwendawo lapho umthambo uthwala khona igazi elinomoya-mpilo.
Indlela emangalisayo igazi elihamba ngayo emizimbeni yethu
Lokhu kufana nokuba nemizila emibili yamabhasi egijima edolobheni. Ake sibone ukuthi lokhu kusebenza kanjani.
1. Isekethe Yokuqala (Isekethe Yesistimu): Okokuqala, igazi elinomoya-mpilo elithathwe emaphashini lalethwa enhliziyweni liphonswa yinhliziyo bese lithunyelwa emzimbeni wonke ngemithambo yegazi. Leli gazi liya kuwo wonke amaseli nezicubu zomzimba, libanikeze umoya-mpilo nezakhamzimba abazidingayo.
2. Uhambo lokubuya: Uma umoya-mpilo usufikile, imfucuza evela emaseli, ikakhulukazi i-carbon dioxide, yengezwa egazini. Leli gazi manje seliba yigazi elingenawo umoya-mpilo .
3. Umsebenzi wemithambo: Yilapho umsebenzi wemithambo uqala khona. Leli gazi elingenawo umoya-mpilo liqoqana ngemithambo emincane kakhulu (ama-venule), lingene emithanjeni emikhulu, bese ekugcineni libuyela enhliziyweni.
4.Isekethe Yesibili (Isekethe Yamaphaphu): Leli gazi elingenawo umoya-mpilo elibuyele enhliziyweni liphonswa yinhliziyo bese lithunyelwa emaphashini . Ngaphakathi emaphashini, i-carbon dioxide kuleli gazi iyasuswa bese kwengezwa umoya-mpilo omusha.
5. Ukuqala futhi: Manje igazi elinomoya-mpilo libuyela enhliziyweni ngemithambo yamaphaphu. Kusukela lapho, umjikelezo wokuqala uqala futhi. Lo mjikelezo uqhubeka njalo njalo ngomzuzwana esiphila ngawo.
Ingabe imithambo iluhlaza okwesibhakabhaka ngempela?
Lokhu kuyiphutha abantu abaningi abanalo. Nakuba kubonakala kuluhlaza okwesibhakabhaka ngaphansi kwesikhumba sethu, imithambo empeleni ayiluhlaza okwesibhakabhaka. Imithambo iqukethe igazi elibomvu ngokumnyama ngenxa yokuntuleka komoya-mpilo. Igazi emithanjeni libomvu ngokukhanyayo.
Pho kungani sibona okuluhlaza okwesibhakabhaka? Kuyiqhinga lamehlo ethu. Lapho ukukhanya kwelanga kushaya isikhumba sethu, amaza emibala ehlukene angena esikhumbeni ngendlela ehlukile. Ukukhanya okubomvu kungena esikhumbeni ngokujulile, kodwa ukukhanya okuluhlaza okwesibhakabhaka akwenzi futhi kubonakala emuva kusuka ebusweni. Yingakho imithambo ibonakala iluhlaza okwesibhakabhaka emehlweni ethu. Khumbula, igazi lihlala libomvu!
Umthambo wakheka kanjani?
Umthambo ngamunye wakhiwe ngezingqimba ezintathu eziyinhloko zezicubu.
| Isendlalelo | Umsebenzi |
|---|---|
| I-Tunica Adventitia | Lolu ungqimba olungaphandle kakhulu. Lunikeza umthambo ukuma kwawo namandla awo. |
| I-Tunica Media | Lolu ungqimba oluphakathi. Amaseli emisipha abushelelezi kulolu ngqimba avumela umthambo ukuba wande futhi unciphe njengoba igazi ligeleza. |
| I-Tunica Intima | Lolu ungqimba olungaphakathi kakhulu. Lwakhiwe ngamaseli abushelelezi kakhulu, ngakho igazi lingageleza kulo ngaphandle kokuvinjelwa. |
Ngaphezu kwalokho, kukhona okunye okukhethekile ngemithambo yegazi. Lokho kusho ukuthiAmavalvu ahamba ngendlela eyodwa. Lawa mavalvu avimbela igazi ukuthi lingagelezi emuva, kodwa liye enhliziyweni. Lawa mavalvu abaluleke kakhulu emilenzeni yethu, lapho esiza khona ukupompa igazi liye phezulu ngokumelene namandla adonsela phansi. Lapho lawa mavalvu onakala, kuvela izimo ezifana nemithambo evuvukalayo .
Kungani izindonga zemithambo zincane?
Izindonga zemithambo zincane kakhulu kunezo zemithambo. Lokhu kungenxa yokuthi igazi ligeleza ngemithambo yegazi lapho ingcindezi iphezulu. Izindonga zemithambo yegazi kudingeka zibe zinkulu ukuze zimelane naleyo ngcindezi. Kodwa-ke, igazi ligeleza ngemithambo yegazi lapho ingcindezi iphansi kakhulu. Ngakho-ke, izindonga zazo akudingeki zibe zinkulu kangako.
Yiziphi izinhlobo eziyinhloko zemithambo yegazi?
Imithambo emzimbeni wethu ingahlukaniswa ngezinhlobo ezintathu eziyinhloko.
| Uhlobo lwemithambo | Incazelo |
|---|---|
| Imithambo Ejulile | Lezi zitholakala phakathi kwemisipha namathambo ethu. Zenza umsebenzi oyinhloko nobaluleke kakhulu wokuthwala igazi elingenawo umoya-mpilo liye enhliziyweni. Ama-90% egazi elisuka emilenzeni liya enhliziyweni lidlula kule mithambo ejulile. |
| Imithambo Engaphandle | Lezi zitholakala ngaphansi kwesikhumba. Lezi yimithambo esiyibona ngamehlo ethu. Iqoqa igazi ezicutshini ezingasenhla bese iliyisa emithanjeni ejulile. |
| Imithambo Ebhobozayo | Lokhu kufana namabhuloho. Le mithambo emincane ixhumanisa imithambo engaphezulu nemithambo ejulile. Ama-valve akule mithambo avimbela igazi ukuthi ligeleze lisuka emithanjeni ejulile liye emithanjeni engaphezulu. |
Iyini indaba "yenhliziyo yesibili" etshelwa imilenze?
Lena indaba emangalisayo futhi ebalulekile. Ubungakholwa yini uma ngingakutshela ukuthi, ngaphezu kwenhliziyo esifubeni sethu, umzimba wethu unenye inhliziyo? Yimisipha yethole ematholeni ethu.
Cabanga ngakho, igazi elisemilenzeni nasezinyaweni zethu kufanele ligeleze phezulu ngokumelene namandla adonsela phansi, liye enhliziyweni. Lokhu akwenzeki nje kuphela. Uma sihamba noma sigijima, imisipha yethu yethole iyafinyela. Uma senza lokho, imithambo ejulile egijima kuleyo misipha iyaqina. Kufana nokucindezela ipayipi. Uma uyicindezela, igazi elingaphakathi kwemithambo liyaphakanyiswa. Ngenxa yama-valve emithambo, lelo gazi alibuyeli phansi.
Yingakho imisipha emathangeni ethu ibizwa ngokuthi "inhliziyo yethu yesibili." Le nhliziyo yesibili isebenza kuphela uma sihamba futhi sinyakazisa imilenze yethu. Yingakho ukuhlala endaweni eyodwa isikhathi eside kakhulu kuyingozi emzimbeni.
Izimo ezivamile ezihlobene nemithambo yegazi
Ngezinye izikhathi ukusebenza kwemithambo yegazi kungaphazamiseka. Lezi ezinye zezimo.
- Imithambo Ye-Varicose: Lapho ama-valve emithambo eba buthakathaka, igazi ligeleza emuva bese lihlangana endaweni eyodwa, okwenza imithambo ivuvuke, iphenduke, futhi ibonakale ebusweni besikhumba.
- I-Deep Vein Thrombosis (DVT): Lesi yisimo esibi kakhulu. Ihlule legazi (i-thrombus) lakha ngaphakathi komthambo ojulile . Uma leli hlule liqhuma futhi lihlala emthanjeni emaphashini, lingasongela impilo. Lesi simo sibizwa ngokuthi i-Pulmonary Embolism .
- I-Thrombophlebitis Engaphezulu: Ukuvuvukala komthambo ongaphezulu ngaphansi kwesikhumba onamahlule egazi.
- Ukungasebenzi kahle kwemithambo yegazi okungapheli: Imithambo yegazi emilenzeni ayikwazi ukupompa igazi kahle. Lokhu kungabangela ukuvuvukala emilenzeni, ushintsho embala wesikhumba, kanye nezilonda.
Uyibona kanjani inkinga yemithambo yegazi?
Uma unalezi zimpawu, kubaluleke kakhulu ukuzinaka bese ubona udokotela wakho ngokushesha .
- Ukuvuvukala emilenzeni, emaqakaleni, noma ezinyaweni (ikakhulukazi kusihlwa ngemva kokuma usuku lonke).
- Ukuzwa ubuhlungu, ukuqina, noma ukuqaqamba emilenzeni.
- Ukuzizwa ukhathele futhi usinda emilenzeni.
- Isikhumba esomile, esiqhekekile, noma esilumayo emilenzeni.
- Imithambo evuvukele nensomi ivela ebusweni besikhumba.
Uma unalezi zimpawu, ungazinaki. Ukutholakala kusenesikhathi kwezinye izifo zemithambo yegazi kungavimbela izimo ezingathi sína.
Ungayilondoloza kanjani impilo yemithambo yegazi?
Kunezinto eziningi ezilula esingazenza ukuze sigcine "inhliziyo yethu yesibili" isebenza kahle futhi imithambo yethu iphilile.
- Hamba kaningi ngangokunokwenzeka: Zama ukuhamba okungenani imizuzu engama-30 ngosuku. Lokhu kuzokwenza inhliziyo yakho yesibili isebenze futhi kuthuthukise ukujikeleza kwegazi.
- Ungahlali endaweni efanayo isikhathi eside kakhulu:Uma umsebenzi wakho udinga ukuthi uhlale endaweni eyodwa, vuka uhambe imizuzu embalwa okungenani kanye ngehora. Ngisho nalapho uhleli, yenza izinto ezifana nokuphakamisa imilenze yakho phezulu naphansi esihlalweni sakho bese uphendula amaqakala akho.
- Gcina isisindo esinempilo: Njengoba isisindo somzimba sanda, kufakwa ingcindezi eyengeziwe emithanjeni emilenzeni.
- Yidla ukudla okunempilo: Yidla ukudla okunosawoti omncane, amafutha, noshukela, kanye nemifino nezithelo eziningi.
- Qaphela ohambweni olude: Uma uhamba ngendiza noma ngebhasi amahora amaningi ngesikhathi, ungakhohlwa ukuvuka uhambehamba ngezikhathi ezithile, bese uvivinya imilenze yakho.
- Gcina imilenze yakho iphakeme: Uma uphumule noma ulele, beka umcamelo ngaphansi kwemilenze yakho bese uyigcina iphakeme kancane. Lokhu kusiza ukugeleza kwegazi enhliziyweni kalula.
Ngisho nalapho siphumule, inhliziyo yethu, imithambo yegazi kanye nemithambo yegazi kusebenza njalo emizimbeni yethu. Ngakho-ke, sidinga ukusiza ukugcina lesi simiso esimangalisayo semizimba yethu siphilile.
Umlayezo Wokuya Nawe Ekhaya
- Imithambo yegazi iyimithambo yegazi ethwala igazi elisetshenzisiwe, elingenawo umoya-mpilo libuyele enhliziyweni emzimbeni.
- Imithambo yegazi ibonakala iluhlaza okwesibhakabhaka ngenxa yendlela ukukhanya okusebenza ngayo esikhumbeni sethu, hhayi ngoba igazi elingaphakathi liluhlaza okwesibhakabhaka. Igazi lihlala libomvu.
- Uma sihamba, imisipha emilenzeni yethu isebenza njengenhliziyo yesibili futhi isiza ekupompeni igazi liye phezulu. Yingakho ukuhamba kubaluleke kangaka.
- Uma unezimpawu ezifana nokuvuvukala kwemilenze, ubuhlungu, noma imithambo ebonakalayo ebusweni besikhumba, ungakushayi indiva bese ubona udokotela wakho.
- Gwema ukuhlala noma ukuma endaweni eyodwa isikhathi eside kakhulu. Ukuvuka nokuhambahamba njalo nokwenza izivivinyo zemilenze elula kungasiza ekugcineni imithambo yakho iphilile.
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