Mtima ndi minofu yodabwitsa yomwe imagunda pafupifupi 100,000 pa tsiku. Ndipopopayi yovuta kwambiri yomwe imatha kusintha kusintha kwa magazi, kuthamanga, ndi mphamvu kuti mupereke thupi lanu ndi magazi omwe amafunikira. Mtima wanu umasintha nthawi zonse ndi zomwe mukuchita komanso thupi lanu. Pamene mukukula, mtima wanu umasintha ku zosowa za thupi lakale.
Zosinthazi zimabwera ndi malonda, zomwe zimachititsa kuti mtima ukhale wovuta kwambiri ku matenda komanso mavuto ena.
Ntchito ya Mtima Wanu
Tsiku lirilonse mtima wanu uyenera kumenyana maulendo opitirira 100,000 kupopera magazi okwana malita 1,800 kupyolera mitsempha ya magazi yoposa 60,000. Mtima wanu uyeneranso kusintha momwe mungagwiritsire ntchito mapampu anu malinga ndi zomwe mukuchita. Pamene tikukula, kusintha kwa thupi kumafuna kuti mtima ukukonzekera momwe umagwirira ntchito. Mwachitsanzo, mafuta omwe amapezeka mu mitsempha, yotchedwa atherosclerosis , amachititsa mtima kugwira ntchito mwamphamvu kupopera magazi onse kupyolera m'mapope ochepa.
Mtima Wakalala
Matenda a mtima ndi chifukwa chachikulu cha imfa. Pamene tikukalamba, mtima wathu umagwiritsa ntchito mitsempha yowongoka chifukwa chogwira ntchito molimbika komanso kutulutsa magazi. Kusintha kumeneku kumapangitsa mtima kukhala pangozi ndipo umakhudza umoyo wathu:
- 40 peresenti ya anthu omwe ali ndi zaka 65 mpaka 74 ali ndi matenda a mtima (60 peresenti kwa anthu oposa 80).
- Kuchokera zaka 20 mpaka 80, pamakhala kuchepa kwa 50 peresenti m'thupi lomwe lingathe kuchita masewera olimbitsa thupi
- Mu zaka za 20, kupitirira kwa mtima kuli pakati pa 180 ndi 200 kugunda kwa mphindi. Pa 80, ndi 145.
- Mtima wa zaka 20 ukhoza kubweretsa mphamvu ya kupuma mtima kwa 3.5 mpaka 4. Mnyamata wa zaka 80 akhoza kutulutsa mphamvu ziwiri zopuma.
Mitsempha Yakukalamba
Mitsempha imatenga magazi okosijeni kuchokera pamtima ndikuupereka ku thupi. Pamene tikukalamba, mitsempha yathu imakhala yovuta komanso yosasinthasintha. Izi zimayambitsa kukhwima kwa magazi. Mtima umasintha kuwonjezeka kwa kuthamanga kwa magazi mwa kupopera kwambiri ndikusintha nthawi yake. Kusintha kumeneku kumachokera pamtima mosavuta. Kuti mukhale wachinyamata pamtima , chitetezeni mitsempha yanu ndi:
- Kuchita
- Kulamulira kuthamanga kwa magazi
- Kuwona cholesterol yanu
Kuwongolera kwa Ventricle Kumanzere
Ochita kafukufuku awona kuti khoma la kumapeto kwa ventricle la mtima limakula kwambiri. Izi zimapangitsa mtima kupopera mphamvu. Pamene mitsempha yathu ya magazi ili m'badwo, imakhala yochulukitsa-kutsekereza kwa magazi kuwonjezeka. Mtima umatsimikizira izi mwa kukhala wamphamvu ndikupopera mphamvu.
Mitral Valve Amatsegula Zambiri Pang'onopang'ono
Mitsempha ya mitral imatsekeka pang'onopang'ono ndi ukalamba. Izi ndi chifukwa mlingo wamagazi kuchokera kumanzere wa ventricle umachepa pamene umatsitsimutsa pang'onopang'ono. Zimabweretsanso pang'onopang'ono chifukwa zimakula kwambiri ndi msinkhu (onani pamwambapa).
Kugwiritsa Ntchito Mphamvu Kumachepa
Pamene mibadwo ya mtima, imakhala yosavuta kuyankha mauthenga achidule kuchokera mu ubongo. Ochita kafukufuku samadziwa bwino chifukwa chake mtima sukuyankha mofulumira ku mauthenga kuti ufulumire ndi kusintha kusintha kwa ntchito.
Zotsatira zake ndi thupi limene silingagwiritse ntchito nthawi yaitali kapena molimbika monga kale. Izi zikuwoneka ngati mpweya wochepa - chizindikiro chakuti magazi olemera ogijeni sakuyenda mofulumira kudzera mthupi chifukwa mapapo akuyesa kupuma mu mpweya wambiri.
"Kukhala pansi" Momwe Mtima Wakhalira Lowers
Kuthamanga kwa mtima kwa munthu wachikulire pokhala pansi kumakhala pang'onopang'ono kusiyana ndi wamng'ono (koma chimodzimodzi pamene wagona). Zimaganiziridwa kuti kuchepa kwapang'onopang'ono kumachokera pansi pamtima-kulankhulana kwa ubongo chifukwa minofu ya fibrous ndi mafuta yayika pa mitsempha yolumikiza mtima ndi ubongo. Pofuna kubweza ndalama, mtima umachulukitsa kuchulukitsa kwa magazi mwa kukweza magazi a diastolic .
Mtima Sungathe Kupanikiza Moyenera
Chifukwa cha kuchuluka kwa matenda a magazi, mtima umatambasula kwambiri kupopera, kupatsa mpope wamphamvu kuti akhale ndi mphamvu yowonjezera kupopera mphamvu yowonjezera magazi (yotchedwa Frank-Starling mechanism). Koma chifukwa cha kukakamizidwa kwakukulu kwa diastolic, mtima sungathe kufanana molimba.
Mtima Umakula
Mtima wa mwana wazaka 70 wathanzi uli ndi maselo osachepera 30 peresenti kuposa mtima wazaka 20. Maselo a mtima akafa, maselo ena ayenera kutambasula ndikukula kuti akhale oyanjana. Maselo a mtima wachikulire angakhale aakulu mpaka 40 peresenti kusiyana ndi wachinyamata.
Sungani Mtima Wanu Wathanzi ndi Matenda Opatsirana Maganizo
Mtima wanu uli wathanzi monga mitsempha yanu. Yesetsani kuyesetsa kuti mitsempha yanu ikhale ndi thanzi labwino ndi:
- Kulamulira kuthamanga kwa magazi
- Kupititsa patsogolo cholesterol
- Kuchita
- Kusangalala
- Kuphunzira zakudya zogwira mtima
> Chitsime:
> Chitukuko cha National: Kukalamba Mitima ndi Mitsempha