Ngaba wakha wazibuza ukuba kutheni iminwe yakho ijika ibe mdaka ngemini ebanda kakhulu? Okanye kutheni intliziyo yakho ibetha ngokukhawuleza kwaye umzimba wakho ubanda xa usoyika kakhulu okanye uphantsi koxinzelelo olukhulu? Namhlanje siza kuthetha ngenkqubo emangalisayo emzimbeni wethu ebangela konke oku. Oku kubizwa ngokuba yiVasoconstriction kwisayensi yezonyango.
Ngamafutshane, yintoni i-vasoconstriction?
Cinga ngenkqubo yemithambo yegazi emzimbeni wethu wonke njengothungelwano lweepayipi zamanzi. Le mibhobho (imithambo yegazi) ijikelezwe ngumaleko omncinci kakhulu wemisipha. Xa ngesizathu esithile esi sihlunu siqina, oko kukuthi, sifinyela, isithuba esingaphakathi kwemithambo yegazi siyancipha. Loo nkqubo yinto esiyibiza ngokuba yi-vasoconstriction .
Kukho elinye icala kule nto. Oko kukuthi, izihlunu ezijikeleze imithambo yegazi ziyaphumla, zikhulise imithambo yegazi. Oku sikubiza ngokuba yi-vasodilation. Zombini ezi nkqubo zilawulwa yinkqubo yethu yemithambo-luvo. Umzimba wethu unamandla amangalisayo okunciphisa imithambo yegazi xa kufuneka kwaye uyikhulise xa kufuneka.
Into ebalulekileyo kukuba oku kuxinana kwemithambo yegazi ngamanye amaxesha kuyinkqubo yokukhusela imizimba yethu. Nangona kunjalo, ngamanye amaxesha, le nkqubo inye inokubangela iingxaki ezinkulu zempilo.
Oku kusinceda njani? (Amaxesha afanelekileyo)
Khawuthelekelele ukuba uye kwindawo ebandayo efana neNuwara Eliya. Emva kwexesha elithile, umzimba wakho uqala ukungcangcazela kwaye iminwe yakho ibanda. Okwenzekayo apha kukuba ingqondo yethu izama ukuthintela ubushushu bomzimba ukuba bungaphumi kwaye umzimba ungabanda (Hypothermia). Into enye eyenzayo kukucutha imithambo yegazi kufutshane nolusu. Emva koko, ukuhamba kwegazi eluswini kuyehla, kulawula ukulahleka kobushushu obuxabisekileyo ngaphakathi emzimbeni. Le yindlela yokukhusela ubomi bethu.
Kwakhona, oogqirha basebenzisa la mayeza e-vasoconstrictor njengonyango lwezifo ezithile.
- Ukothuka: Lawula uxinzelelo lomntu opha kakhulu, njengasemva kwengozi.
- Ezinye iintlobo zentloko ebuhlungu (iiMigraines): Lawula ukwandiswa kwemithambo yegazi engqondweni xa kukho intloko ebuhlungu efana nemigraines.
- Ukuxinana kwempumlo: Amanye amayeza omkhuhlane (amayeza okususa ukuxinana kwempumlo) anciphisa imithambo yegazi empumlweni aze anciphise ukuxinana.
- Isifuba kunye ne-COPD: Amayeza asebenza kwindlela yokuphefumla.
Kunini apho i-vasoconstriction iyingozi khona?
Xa le nkqubo isenzeka kakhulu, okanye ngexesha elingafanelekanga, inokuba yingozi empilweni.
| Isiphumo esibi | Ingcaciso elula |
|---|---|
| Igazi elonyukayo | Xa imithambo yegazi incipha, intliziyo kufuneka isebenze nzima ukutyhala igazi kuloo mithambo inciphayo. Ukuba oku kuyaqhubeka, uxinzelelo lwegazi oluphezulu luyakhula. |
| Iimeko ezifana ne-Raynaud's Phenomenon | Ukuxinana okukhulu kwemithambo yegazi ekhokelela kwiminwe nakwiinzwane kunokubangela ukuba iminwe ibe mhlophe, ibe luhlaza okwesibhakabhaka, kwaye ingabi nanto. |
| Umngcipheko okhulayo wokuhlaselwa yintliziyo | Xa umntu onemithambo yegazi ehambisa igazi entliziyweni exinezelekile, imithambo yegazi inokuxinana kwaye ukuhanjiswa kwegazi entliziyweni kunokuphazamiseka. |
| Uxinzelelo lwegazi oluphezulu lwemiphunga | Imithambo yegazi emiphungeni iyancipha, nto leyo enyusa uxinzelelo njengoko igazi lihamba kuyo. Le yimeko embi kakhulu. |
| Umngcipheko weStroke yoBushushu | Kumntu one-hyperthermia, imithambo yegazi iyancipha, nto leyo enokwenza ukulahleka kobushushu eluswini kube mandundu. |
Uxinzelelo lwegazi oluphezulu kunye ne-Vasoconstriction
Kukho unxibelelwano olukhulu phakathi kwezi zimbini. Ukuba sele une-high blood pressure, izinto ezibangela i-vasoconstriction zinokuba yingozi kakhulu kuwe kunezinye. Kuba imithambo yegazi yakho sele iphantsi koxinzelelo oluthile. Ukuba iyancipha ngakumbi, uxinzelelo lwakho lunokunyuka ngendlela eyingozi nangakumbi.
Yiyo loo nto oogqirha becebisa abantu abanoxinzelelo lwegazi oluphezulu ukuba bangathathi amayeza athile okunciphisa ukuxinana komkhuhlane. La mayeza anciphisa imithambo yegazi, nto leyo enokunyusa uxinzelelo lwegazi.
Ziziphi izizathu eziphambili zale meko?
Ukuxinana kwemithambo yegazi akuzenzekeli nje. Kukho izinto ezininzi ezichaphazela oku.
- Amayeza: Amayeza abhalwe ngugqirha, kunye namanye amayeza abandayo angathengwa kwikhemesti ngaphandle kwemvume kagqirha.
- Ezinye iimeko zonyango: Izifo ezifana nesiganeko sikaRaynaud, esithethe ngaso ngaphambili.
- Uxinzelelo: Xa uxinezelekile, umzimba wakho ucinga ukuba usengozini. Iihomoni ezikhutshwa ngumzimba wakho zibangela ukuba imithambo yegazi yakho inciphe.
- Ukutshaya: Iikhemikhali ezikwicuba, ingakumbi i-nicotine, zinciphisa imithambo yegazi ngokukhawuleza.
- Ukubanda kakhulu: Yinkqubo yendalo eyenzeka ukugcina ubushushu bomzimba.
- Ukutya okuthile neziselo: Ukutya neziselo ezinetyuwa eninzi kunye ne-caffeine. Umzekelo, inyama ezicutshungulweyo, izidlo ezinetyuwa, ikofu, iti (ingakumbi iti enamandla).
Singayilawula kwaye siyithintele njani le nto?
Eyona nto ingcono onokuyenza kukususa unobangela. Umzekelo, xa ubuya emakhazeni uye kwindawo efudumeleyo, imithambo yegazi iyavuleka kwakhona. Nangona kunjalo, ukuba unemeko efana nekaRaynaud, kuya kufuneka ufune unyango kugqirha wakho.
Kukho izinto ezininzi esinokuzenza ekhaya:
- Lawula uxinzelelo: Nciphisa uxinzelelo ngokwenza izinto ezifana nokucamngca, i-yoga, kunye nokuzibandakanya kwinto oyithandayo.
- Nciphisa iziselo ezine-caffeine: Nciphisa inani leekomityi zekofu neti oziselayo ngosuku.
- Ukuzilolonga: Xa uzilolonga, imithambo yegazi iyavuleka (i-vasodilation) kwaye ukuhamba kwegazi kuyaphucuka. Kodwa ungalibali ukuzifudumeza imizuzu embalwa ngaphambi kokuba uqale ukuzilolonga.
- Kuphephe ukutshaya ngokupheleleyo: Le yeyona nto ilungileyo onokuyenza.
- Nciphisa ukusetyenziswa kwetyuwa: Lumka malunga nobungakanani betyuwa eyongezwa ekutyeni.
Sifanele siye kugqirha nini?
Ngokwesiqhelo, izinto ezifana nokungakhululeki kweminwe yakho ngenxa yomkhuhlane azinanto yakwenza ukhathazeke ngazo. Nangona kunjalo, ukuba uneempawu okanye iimeko ezidweliswe ngezantsi, kubalulekile ukubona ugqirha wakho ngoko nangoko ukuze akunike ingcebiso.
- Uxinzelelo lwegazi oluphezulu olungalawulekiyo.
- Ukuba ukrokrela ukuba une-pulmonary hypertension (iimpawu ezifana nokuphefumla kancinci, iintlungu zesifuba).
- Ingxamiseko efana nobushushu bomzimba obuphezulu (iHyperthermia).
- Ukuba iminwe neenzwane zihlala zitshintsha umbala, zisiva iintlungu okanye ukungaziva.
Musa ukuzithatha lula ezi zinto, kuba ukufumana unyango olufanelekileyo ngexesha elifanelekileyo kunokuthintela iingxaki ezininzi ezinzulu.
Umyalezo Wokuya Ekhaya
- I-Vasoconstriction kuxa izihlunu ezijikeleze imithambo yegazi yethu ziqina, zinciphisa indlela igazi elihamba ngayo. Le yinkqubo eqhelekileyo eyenzeka emzimbeni wethu.
- Nangona oku kusinceda ngamaxesha afana nokusikhusela kumkhuhlane, ukuchanabeka kakhulu kunokukhokelela kwiingxaki ezifana noxinzelelo lwegazi oluphezulu kunye nomngcipheko wesifo sentliziyo.
- Uxinzelelo, ukutshaya, kunye nokutya neziselo ezine-caffeine eninzi/ityuwa eninzi kunokwenza le meko ibe mandundu.
- Ukuba une-high blood pressure, kuphephe ukuthatha amayeza athile omkhuhlane (i-decongestants) ngaphandle kwengcebiso kagqirha.
- Ukugcina indlela yokuphila esempilweni (ukuzilolonga, ukulawula uxinzelelo) kunokulawula kakhulu iimeko ezingathandekiyo zokuxinana kwegazi.
- Ukuba unamathandabuzo okanye uvakalelwa kukuba iimpawu zakho zinzima, qiniseka ukuba ubona ugqirha wakho.
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