Wake wama wacabanga ngendlela igazi elihamba ngayo lisuka enhliziyweni yakho liye kuwo wonke amakhona omzimba wakho, kuze kufike ezandleni zakho? Kufana nenethiwekhi yemigwaqo edolobheni. Kwezinye izindawo, izimoto zihamba kahle, kwezinye izindawo, ziminyene, kanti kwezinye izindawo, imigwaqo imincane. Ukugeleza kwegazi emizimbeni yethu kuyafana. Kwezokwelapha, lokhu sikubiza ngokuthi ukugeleza kwegazi, amandla akuthintayo, kanye nenqubo edlula kuyo, 'i-hemodynamics.' Ungakhathazeki, igama lingase lizwakale liyinkimbinkimbi kancane, kodwa indaba ilula kakhulu. Ake sixoxe ngakho.
Iyini ngempela i-hemodynamics?
Kalula nje, i-hemodynamics isifundo sokuthi igazi ligeleza kanjani emithanjeni yakho kanye nasemithanjeni kanye namandla ahlukahlukene athinta ukugeleza kwegazi.
Ngokuvamile, igazi ligeleza emithanjeni yegazi yomuntu ophilile ngendlela ebushelelezi nehlelekile. Lokhu sikubiza ngokuthi ukugeleza kwe-laminar . Njengamanzi ageleza ngepayipi, igazi lihamba ngokushesha phakathi komthambo wegazi ngoba akukho ukungqubuzana okuncane nezindonga.
Kodwa-ke, ngaphakathi kwamakamelo angaphansi enhliziyo yakho (siwabiza ngokuthi ama-ventricle ) nalapho imithambo yegazi ihlangana khona, noma lapho umthambo wegazi uncipha khona ngokuzumayo, lolu hambo luba yisiphithiphithi kancane. Lokhu sikubiza ngokuthi ukugeleza okuguquguqukayo . Ohambweni olunjalo oluyisiphithiphithi, kudinga amandla engeziwe ukusunduza igazi phambili.
Imithambo yegazi emincane ephuma ku-aorta yakho iletha umoya-mpilo kanye nezakhamzimba kuwo wonke amaseli nezicubu emzimbeni wakho. Ngemva kokuthatha umoya-mpilo ezithweni zakho, igazi libuyela enhliziyweni yakho ngemithambo. Inhliziyo bese ipompa igazi liye emaphashini akho, lapho liphinde lithathe khona umoya-mpilo, bese umjikelezo uqala futhi.
Cabanga nje ukuthi kunezithiyo endleleni ukuze leli gazi lihambe.
- Ngezinye izikhathi ama-cholesterol deposit (i-plaque) akheka ezindongeni zemithambo yegazi, akha "ama-speed bumps." Lokhu kuncipha indlela yokugeleza kwegazi. Ngezinye izikhathi la ma-deposit angaqhekeka futhi avale ngokuphelele imithambo yegazi.
- Futhi, ihlule legazi lingakheka futhi livimbe umthambo.
- Noma mhlawumbe inhliziyo yakho ibuthakathaka futhi ayikwazi ukupompa igazi elanele emzimbeni wakho.
Noma yiziphi zalezi zinkinga zingavimbela uhlelo lwethu lokujikeleza kwegazi ekwenzeni umsebenzi walo ngendlela efanele, okusho ukuthi alukwazi ukuletha umoya-mpilo nezakhamzimba ezidingwa yiwo wonke amaseli emzimbeni.
Kungani kubaluleke kangaka ukwazi nge-hemodynamics?
Ukuqonda i-hemodynamics kubaluleke kakhulu, ngoba ngayo ungathola ukuqonda okungcono ngesifo senhliziyo noma izimo zemithambo yegazi.
Isibonelo, ake sithi unomfutho wegazi ophakeme. Uma ufunda nge-hemodynamics, uyaqonda ukuthi lapho umfutho wegazi ukhuphuka, inhliziyo kufanele isebenze kanzima ukupompa igazi. Ngemuva kwalokho, udokotela uzokunikeza umuthi owenza imithambo yegazi ibe banzi (ikhululeke) futhi udale isikhala esengeziwe sokugeleza kwegazi. Ngemuva kwalokho, umthwalo enhliziyweni uyancipha, futhi umfutho wegazi uyalawulwa.
Udokotela wakho usebenzisa idatha ye-hemodynamics ukusiza ekuxilongeni nasekubikezeleni ikusasa lesifo. Isibonelo, bangahlola ukuthi i-valve yenhliziyo iyavuza yini, okungavimbela igazi ukuthi ligeleze kahle. Bangahlola nokuthi ukugeleza kwegazi lakho sekuthuthukile yini ngemva kokuhlinzwa noma imithi.
I-Hemodynamics ayigcini nje ngomfutho wegazi. Umfutho wegazi uyingxenye eyodwa nje yale nqubo iyonke. Ezinye izinto eziningi zithinta indlela igazi lethu eligeleza ngayo.
Yiziphi izici ezithinta ukugeleza kwegazi?
Kunezici ezahlukahlukene ezenza kube lula noma zivimbele ukugeleza kwegazi emizimbeni yethu. Umzimba wethu uhlala ushintsha lezi zinto, uzama ukunikeza amangqamuzana lokho kanye akudingayo. Ake sibheke izici eziyinhloko.
| Isici | Indlela Okuthinta Ngayo |
|---|---|
| Usayizi (ububanzi) wemithambo yegazi | Kulula ukuthi igazi ligeleze ngomthambo wegazi omkhulu nobanzi. Kodwa uma igazi ligeleza ngomthambo wegazi oncishiswe yizinqwaba ze-cholesterol, kuba nzima kakhulu. |
| Ukungqubuzana | Uma igazi ligeleza, ligudla izindonga zemithambo. Lokhu kungqubuzana kubangela ukuthi igazi lihambe kancane eduze kwezindonga. Igazi lihamba ngokushesha phakathi komthambo. |
| Ukuminyana kwemithambo yegazi kanye nokwanda kwayo | Imithambo yethu yegazi ingavuleka futhi inciphe uma kudingeka. Lena yindlela umzimba olawula ngayo ukugeleza kwegazi kanye nomfutho wegazi. |
| Izinguquko zokucindezela | Kukhona umehluko phakathi kwamandla inhliziyo epompa ngawo igazi kanye nokumelana okunikezwa yimithambo yegazi. Njengoba ukucindezeleka kukhuphuka, inhliziyo kufanele isebenze kanzima ngokumelene nalokhu kumelana. |
| Umphumela Wenhliziyo | Leli inani legazi inhliziyo elimpompa ngokushaya okukodwa. Uma uzivocavoca, inhliziyo yakho impompa igazi eliningi ngoba amangqamuzana akho adinga umoya-mpilo owengeziwe. |
| Isilinganiso senhliziyo | Ngesikhathi sokuzivocavoca, izinga lokushaya kwenhliziyo liyakhuphuka ukuze kuhlangatshezwane nesidingo somoya-mpilo esikhulayo. |
| Umsebenzi wamaseli enhliziyo | Uma amakamelo angezansi (ama-ventricle) enhliziyo engasebenzi kahle, awakwazi ukupompa igazi elanele emzimbeni. Lokhu kungabonakala ezifweni zenhliziyo. |
Kuyini Ukungazinzi kwe-Hemodynamic?
Lesi yisimo esibucayi. Ukungazinzi kwe-hemodynamic kwenzeka lapho umzimba ungakwazi ukunikeza igazi elanele. Lesi yisimo esidinga ukwelashwa okuphuthumayo. Ngokuvamile sikubiza ngokuthi isimo sokushaqeka . Sihlukaniswe ngezinhlobo eziningana kuye ngembangela.
- I-cardiogenic - ngenxa yenkinga yenhliziyo
- I-Hypovolemic - ngenxa yokwehla kwenani loketshezi noma igazi emzimbeni
- Ukuvimbela - ngenxa yokuvinjelwa okungokomzimba kokugeleza kwegazi
- Ukusabalalisa - ngenxa yokwanda ngokweqile kwemithambo yegazi
- I-Neurogenic - ngenxa yomonakalo ohlelweni lwezinzwa
I-hemodynamics ilinganiswa kanjani?
Udokotela wakho angasebenzisa izivivinyo ezahlukahlukene ukukala isimo sakho se-hemodynamic, ezinye zazo ongase uzijwayele.
| Ukuhlolwa | Yini nje oyenzayo? |
|---|---|
| Ukulinganisa umfutho wegazi | Ukuhlolwa kwenziwa kusetshenziswa idivayisi ejwayelekile yokulinganisa umfutho wegazi (i-BP cuff). |
| I-ECG | Umsebenzi kagesi wenhliziyo uyahlolwa ukuze kubonakale ukuthi kukhona yini amaphethini okushaya kwenhliziyo angajwayelekile. |
| I-Echocardiogram | Basebenzisa amaza omsindo ukuthatha isithombe senhliziyo nokuhlola ukuthi amakamelo nama-valve enhliziyo asebenza kahle yini. |
| Ukufakwa kwe-catheter kwenhliziyo | Ipayipi elincane (i-catheter) lidluliselwa emthanjeni wegazi liye enhliziyweni ukuze kulinganiswe ingcindezi engaphakathi kwenhliziyo futhi kuhlolwe ukusebenza kwama-valve. |
| Ukuhlolwa kwetafula elithambekile | Kulabo abavame ukuquleka, kwenziwa ukuhlolwa ukuze kubonwe ukuthi umfutho wegazi kanye nesilinganiso senhliziyo kushintsha kanjani lapho isimo somzimba sishintsha. |
Izimo zezokwelapha ezivamile ezithinta i-hemodynamics
Noma yisiphi isifo senhliziyo noma isifo semithambo yegazi esithinta ukugeleza kwegazi sithinta i-hemodynamics.
- I-Atherosclerosis: Ukuncipha kwemithambo yegazi ngenxa yokufakwa kwe-cholesterol.
- Umfutho wegazi ophakeme: Umfutho wegazi ophakeme .
- Umfutho wegazi ophansi: Umfutho wegazi ophansi .
- Izinkinga zamavalvu enhliziyo: Amavalvu angavali noma angavuli kahle.
- Ukwehluleka kwenhliziyo: Inhliziyo ayikwazi ukupompa igazi elanele emzimbeni.
- Isifo semithambo yegazi engaphandle: Ukuncipha kwemithambo yegazi ehambisa igazi ezingalweni nasemilenzeni.
- I-thrombosis yemithambo ejulile:Ihlule legazi emthanjeni ojulile emzimbeni.
- Ukuhlaselwa yinhliziyo: Ukuvaleka komthambo ohambisa igazi enhliziyweni.
Izimpawu ezivamile zezinkinga ze-hemodynamic
Uma kunenkinga ngokujikeleza kwegazi lakho, umzimba wakho uzokunikeza izimpawu ezahlukahlukene ngakho. Uma unezinye zalezi zimpawu, ungazinaki. Kubaluleke kakhulu ukubona udokotela wakho ngokushesha okukhulu bese ucela iseluleko.
- Ubunzima bokuphefumula
- isiyezi esivamile
- Isiyezi
- Ukukhathala ngokweqile
- Isikhumba esikhanyayo
- Isikhumba esibandayo
- Ukudideka
- Ukushaya kwenhliziyo okungavamile
Uma udokotela wakho ekhuluma nge-hemodynamics, ubhekisela ekugelezeni kwegazi lakho. Uma kunenkinga ngenhliziyo yakho noma emithanjeni yegazi, igazi lakho lingase lingahambi kahle. Udokotela wakho angakuhlola futhi akuncomele ukwelashwa (imithi noma ukuhlinzwa) okufanele le nkinga. Ukwelapha lezi zinkinga kubaluleke kakhulu ngoba kusiza ukuqinisekisa ukuthi yonke iseli emzimbeni wakho ithola umoya-mpilo eliwudingayo.
Umlayezo Wokuya Nawe Ekhaya
- I-Hemodynamics ayinzima, imane ikhuluma ngendlela igazi eligeleza ngayo emzimbeni wakho.
- Izinto eziningi, njengobukhulu bemithambo yegazi, umfutho wegazi, kanye nokushaya kwenhliziyo, kuthinta lokhu kugeleza kwegazi.
- Izimpawu ezifana nesiyezi, ukuphelelwa umoya, kanye nokuquleka njalo kungaba uphawu lwenkinga yokujikeleza kwegazi.
- Ungalokothi uzishaye indiva izimpawu ezinjengalezi. Khuluma nodokotela wakho njalo.
- Ukuqonda le nqubo kuzokusiza uqonde ukuthi kungani imithi noma izinguquko zendlela yokuphila ezinikezwa udokotela wakho zibalulekile.
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