Ayyukan zuciya shi ne ya zubar da jini wanda ya wanke kowane jikin jiki. Jinin yana dauke da iskar oxygen da kayan abinci mai mahimmanci ga kyallen takarda da kuma kawar da kayan sharar gida. Idan aikin motsawa na zuciya yana rushewa, gabobin jiki zasu fara kasawa da sauri. Sabili da haka rayuwa ta dogara ne akan ingantaccen aiki, ci gaba da aiki na zuciya.
Zuciyar kwayar murya ce da girman girman ka. Yayin da zuciya ta kulla yarjejeniya ko squeezes, yana yaduwar jinin cikin tsarin kwayoyin halitta. Zauren ɗakunan zuciya da bawullan suna shirya don yaduwar jini yayin da zuciya ta damu.
Ƙungiyar Zuciya da Lambobi
Zuciya tana da ɗakuna huɗu. Biyu ventricles (dama da hagu) sune ɗakunan kwayoyin halitta wanda ke motsa jinin daga zuciya. Harkokin ventricle na dama ya zubar da jini zuwa ga huhu, kuma ventricle na hagu yana tsalle jini ga sauran kwayoyin.
Abubuwan biyu (dama da hagu) suna riƙe da jinin da ya dawo cikin zuciya, kuma a daidai lokacin dacewa a cikin hannun hagu da dama.
Jirgiyoyin zuciya guda hudu (tricuspid, pulmonary, mitral da aortic) kiyaye jini yana motsawa a cikin hanya ta hanyar zuciya.
Yana da amfani wajen ganin zanen zuciya yana aiki a matsayin tsalle-tsalle biyu, aiki a jerin; da hakkin zuciya pump, da kuma hagu zuciya famfo.
Dama Zuciya
Zuciyar zuciya mai kyau ta kunshi tayi mai kyau, tarin gado, madogarar ƙwayar cuta, kwandon kwakwalwa, da karfin jini. Ayyukansa shine don tabbatar da cewa "jini" ana amfani dasu tare da oxygen. Maganin yaduwar cutar marar jini wanda ya dawo cikin zuciya daga jikin jikin ya shiga cikin dama. A lokacin da kwangilar atria ta fara, tarin gado yana buɗewa ya kuma bari a zub da jinin daga hannun dama a hannun dama na ventricle.
Bayan haka, idan kwangilar kirkirar da ta dace, asalin tricuspid ya kulle (don hana jini daga wankewa zuwa baya zuwa dama), kuma valve mai kwakwalwa ya buɗe - don haka zubar da jini daga magungunan ƙwayar ido da kuma ƙwayar maganin huhu da huhu, inda an cika shi da oxygen.
Kwallon Hagu na Hagu
Hawan hagu na hagu yana kunshe da hagu na hagu, valve na hagu, hagu na hagu, kwari mai kwari, da kuma aorta. Ayyukanta shi ne zubar da jini mai arzikin oxygen a jikin jikin jikin. Jinin da yake dawowa daga zuciya daga huhu yana shiga ajin hagu. Yayin da kwangilar atria ta yi, sai valve din ya buɗe kuma ya bari jini ya shiga ventricle na hagu. Lokacin da ventricle hagu yayi kwangila wani lokaci daga bisani, valve din din ya rufe kuma valve mai kwance ya buɗe. Ana fitar da jini daga ventricle na hagu, a fadin kwandon daji, kuma daga cikin jiki.
- Karanta game da stenosis.
- Karanta game da tsarin regurgitation.
- Karanta game da stenosis.
- Karanta game da regurgitation aortic.
Kwayar Cardiac
Kuna ji game da batun da ake kira juyayi na zuciya. Kawai, "mai zagaye na zuciya" yana da hanyar likitoci na da raba aikin aikin zuciya zuwa kashi biyu - lokaci na diastolic da lokaci na systolic.
A cikin lokaci na diastolic, wadannan ventricles biyu suna shakatawa kuma suna cike da jinin daga atria biyu. A cikin tsarin systolic, ƙananan ventricles biyu suna yin kwangila.
Wannan maganin yana da amfani a hanyoyi da dama. Alal misali, lokacin da muka auna karfin jini, muna auna matsin lamba a cikin jigilar jini a duk lokacin da kewayar zuciya-systolic da diastolic. Saboda haka, an ɗauke da karfin jini kamar lambobi biyu, kamar 120/80. A nan, karfin jini na jini (magungunan tashin hankali a lokacin da ventricles ke bugu) yana da 120 mmHg, kuma matsa lamba na diastolic (matsin lamba a yayin hutun ventricular) shine 80 mmHg.
Har ila yau, yayin da masu kirkiro ke magana game da rashin cin nasara zuciya, sukan nuna ko satar jiki na zuciya yana shafar sashin jiki na zuciya na zuciya (kamar yadda ke cikin cardiomyopathy ), ko kuma ɓangaren diastolic (kamar yadda yake cikin dysfunction diastolic ). Kulawa mai kyau yana bukatar yin wannan bambanci.
Karanta game da yanayin jikin jigilar jini na al'ada.
Sources:
Otto CM. Littafin rubutun kalmomi na asibiti, rubutun 4th, Saunders Elsevier, 2009.