Ventricular tachycardia inokurumidza kurwara kwemwoyo inobva mumoyo wemhepo. Dzimwe nguva, vanhu vanobvumira ventricular tachycardia neine zviratidzo zvishoma. Asi zvinowanzoitika kuti urongwa hwemagirthmia hunoita zviratidzo zvakakura, hutema hwakaoma, syncope (kurasikirwa kwekuziva), kana kunyange kusungwa kwemwoyo uye kufa kamwe kamwe.
Zviratidzo izvi zvinoitika nokuti ventricular tachycardia inokanganisa kukwanisa kwemoyo kupinza zvakanaka.
Kuita kupemha kwomwoyo kunowedzera kuipa mukati me ventricular tachycardia nokuda kwezvikonzero zviviri. Chokutanga, mutambo wemwoyo panguva ye ventricular tachycardia inogona kukurumidza kukwana (kazhinji, inopfuura 180 kana 200 kurova paminiti) kuti kuderedza kushanda kwemoyo. Chechipiri, tachycardia ye ventricular inogona kuvhiringidza zvakasununguka, zvakarongeka, zvakagadziriswa kusagadzikana kwemutsipa wemwoyo. Izvozvi zvinhu zviviri pamwe chete zvinowanzoita tachycardia ye ventricular inonyanya kuipa mwoyo yemaarthmia.
Chii Chinokonzera Ventricular Tachycardia?
Kazhinji nguva, ventricular tachycardia inowanzokonzerwa nehutano hwepfungwa hunokonzera kukanganisa kwemhepo inoputika -kazhinji, coronary artery chirwere (CAD) kana kushaya mwoyo . Mwoyo wakaremara uye wakaora mutsara unowedzera kubudisa mashoma emagetsi emagetsi mukati memutsipa wemwoyo, mativikiti angaita kuti " reentrant tachycardias ." Nokudaro nguva yakawanda ye ventricular tachycardia inonzi tachycardia zvakare .
Kutaura zvazviri, mungozi yekudzidzira tacycardia ye ventricular yakaenzana nehuwandu hwekukuvadzwa kwakasimbiswa nemhepo inoputika-zvakanyanya kukuvadza, iyo inowedzera dambudziko reurmthmia.
Nzira yakanakisisa yekufungidzira kuwanda kwenhengo yemisasa kukuvara ndeyekuyera chikamu chekusiya ventricular ejection.
Iyo yakaderera chikamu che ejection , iyo yakawedzera zvakanyanya kukanganisa kwemasisita uye yakanyanya kukonzerwa neve ventricular tachycardia.
Zvishoma zvishoma, ventricular tachycardia inogona kuitika kune vechidiki vanoita sevanorwara zvakakwana uye vasina CAD kana mwoyo kusakundikana. Kazhinji yenguva idzi idzi dzinokonzerwa nehutano hwekuzvarwa kana hutano, kusanganisira:
- Long QT syndrome
- Kudzokorora monomorphic ventricular tachycardia (RMVT)
- Arrhythmogenic right ventricular cardiomyopathy (ARVC)
- catecholamine-sensitive polymorphic ventricular tachycardia (CPVT)
- Brugada syndrome
Ndezvipi Zvinowanzoitwa Tachycardia?
Zvikamu zvakakomba zvekuchengetedzwa (kureva, kwenguva refu) ventricular tachycardia inowanzotarisirwa nekurapa. Kana kusungwa kwemwoyo kuchikaitika, ipapo chirwere chekare chinonzi cardiopulmonary resuscitation (CPR) chinofanira kutorwa pakarepo.
Kana munhu akatsigira tricycardia ye ventricular akangwarira uye akamuka uye zvimwe akasimba, ipapo mamwe matanho okufunga anogona kutorwa. Semuenzaniso, urhymia inogona kugumiswa nekupa mishonga inopisa, yakadai se lidocaine. Kana kuti murwere anogona kugadziriswa uye anopa kushamiswa kwegetsi kumisa arrhythmia, chirongwa chinonzi "cardioversion."
Mushure mokunge chiitiko chakaoma che ventricular tachycardia chave chichigadzikana uye mwoyo rhythm inodzorerwa kune yakasununguka, dambudziko rinodzivirira matambudziko epamangwana. Iyi inhanho inokosha kubva pane imwe nguva munhu akave nechiitiko chekusimudzirwa kwetricycardia, zvinokonzera kuva nechimwe chiitiko pamusoro pegore rinotevera kana maviri zvakanyanya kwazvo-uye chero zviitiko zvekare zvinogona kutyisa upenyu.
Nhanho yekutanga mukudzivirira kubvira kwechirwere chetricycardia ndiko kuongorora zvizere uye kubata chirwere chepfungwa chepfungwa. Muzviitiko zvakawanda, izvi zvinoreva kushandiswa kwakanakisisa kwerapi yeCAD kana mwoyo kusakona (kana zvose zviri zviviri).
Zvinosuruvarisa, kunyange kunyatsogadziriswa kwechirwere chepfungwa chepfungwa, njodzi yekudzokorora tricycardia inowanzogara yakakwirira uye, saka, inokonzera kukanganisa kusungwa kwemwoyo uye kamwe-kamwe kufa-saka zvimwe zviyero zvinofanira kutorwa.
Dzimwe nguva zvinodhaka zvinodhaka zvinogona kubatsira mukudzivirira kudzokorora tricycardia, asi zvinosuruvarisa kuti mishonga iyi haigoni kushanda zvakanaka. Dzimwe nguva, nzvimbo yekudzoka iyo iri kubudisa tricycardia ye ventricular inogona kugadzirwa nemagetsi uye inogadziriswa , asi (zvakasiyana zvakasiyana nevarwere vakawanda vane vana vatatu vanotascardias ) ichi ndicho kunze kwekutonga.
Nokuda kwezvikonzero izvi, zvinogadziriswa zvinogadziriswa zvinofanirwa kunyatsotaridzirwa kune vanhu vakawanda vakapukunyuka chikamu chetricycardia yakasimba.
Sources:
Zipes, DP, Camm, AJ, Borggrefe, M, uye al. ACC / AHA / ESC 2006 Nhungamiro Yekutungamirirwa Kwevarwere Ne Ventricular Arrhythmias uye Kudzivirira Kungoerekana Yakafa Rufu-Mutungamiri Mutevedzeri A Nyaya yeAmerican College of Cardiology / American Heart Association Task Force neEuropean Society of Cardiology Komitungamiri Yekushandisa Maitiro (Kunyora Komiti Ikudziridza Nhungamiro Yekutungamira Vatano Ne Ventricular Arrhythmias uye Kudzivirirwa Kwekufa Kwechirwere Chekufa). J Am Coll Cardiol 2006; 48: 1064.