Ukwelapha Kungadlulela Phakathi Kwezinhlobo Ezihlukahlukene ze-SVT
I-tachycardia yesithathu (iSVT) isigaba se-arrhythmias enhliziyo esheshayo evela emakamelweni ase-atrial yenhliziyo. ("I-Supraventricular" isho ukuthi "ngenhla kwezingu-ventricles.")
Kunezinhlobo eziningana ezehlukene ze-SVT, kodwa kumuntu ophethe i-SVT bonke bavame ukuzizwa ngendlela efanayo. Ngokuvamile zikhiqiza izimpande, futhi zivame ukuba nezinwele ezincane, futhi nakuba zingekho neze ezisongela ukuphila, noma yiluphi uhlobo lwe-SVT kungaba nzima ukubekezelela.
Nakuba izimpawu nazo zonke izinhlobo ze-SVT zifana, uma kuziwa ekwelapheni kukhona umehluko obalulekile. Ngakho uma udokotela ephuza umuntu nge-SVT, kubalulekile ukuthola ukuthi yiliphi uhlobo lwe-SVT. I-SVTs ihlukaniswa ngezigaba ezimbili ezibanzi: "i-reentrant" nangokuthi "okuzenzakalelayo" i-SVT.
I-SVT engenawo kabusha
Iningi labantu abane-SVT bazalwe ngokuxhumeka kogesi ngaphezulu kwenhliziyo yabo. Lezi zixhumanisi ezengeziwe zakha isiteshi esingaba namandla kagesi.
Ngaphansi kwezimo ezithile, umfutho wegesi wegesi ungaba "ubanjwe" ngaphakathi kwalesi sifunda, ujikeleze futhi uwuzungeza njalo. Ngolunye uhlangothi, i-heartbeat entsha ikhiqizwa, ikhiqiza i- tachycardia . Uhlobo lwe-tachycardia olwenziwe yizixhumanisi ezengeziwe libizwa ngokuthi i- reentrant tachycardia.
Izinhlobo Ezijwayelekile Zama-SVTs angenawo
Amagama anikezwe ezinhlobonhlobo ze-SVT enama-reentrant angadideka, kodwa ukhiye wukuthi amagama abonisa ukuthi uxhumano oluthe xaxa lukhona ngaphakathi kwenhliziyo.
Izinhlobo ezivame kakhulu ze-SVT zibalwe lapha. Chofoza kusixhumanisi ozofunda mayelana nezici ezithile zohlobo ngalunye:
- I-Atrioventricular reentrant tachycardia, noma i-AVNRT , ebangela cishe ama-60% we-SVTs.
- I-Atrioventricular reciprocating tachycardia, noma i-AVRT , uhlobo lwe-SVT olubandakanya uWolff-Parkinson-White Syndrome (WPW) . I-AVRT ibangela cishe ama-30% we-SVTs.
- I-Sinus nodal reentrant tachycardia , noma i-SNRT, ebangela abangaphansi kwama-5% we-SVTs.
- I-retraatrial reentrant tachycardia, noma i-IART, futhi ibangele ama-SVTs angaphansi kwama-5%.
Ngenkathi ukhetho lwezokwelapha kuzo zonke lezi zinhlobo ze-SVT ephindaphindiwe kufaka kokubili izinqubo zokuphumula kanye nemithi, ukwelashwa "okuhle kakhulu" kuncike ekutheni luhlobo olunjani.
I-Tachycardias ezenzakalelayo
Uhlobo olulodwa lwe-SVT alubangelwa ukuxhumeka kagesi okwengeziwe enhliziyweni. Lolu hlobo lwe-SVT lubizwa ngokuthi "i-SVT ezenzakalelayo."
Ngokuvamile, isigqi senhliziyo silawulwa yizimfutho zikagesi ezakhiwe ngamaseli "we-pacemaker" enhliziyo, esesimweni se - sinus .
Kodwa ngo-SVT othomathikhi, amaseli kwenye indawo ngaphakathi kwe-atria aqala ukukhiqiza izifiso zawo kagesi, ngokushesha kakhulu kunombono wesono, ngaleyo ndlela uthatha isigqi senhliziyo futhi akhiqize i-SVT e-othomathikhi.
I-SVTs ezenzakalelayo ayijwayelekile kakhulu kuneSVTs engenawo kabusha. Zivame ukuvela kuphela kubantu abanesifo esibalulekile sezokwelashwa - ikakhulukazi isifo se-lung lungumuthi , i- hyperthyroidism engalawuleki, noma izifo eziningi eziyingozi kakhulu ezidinga ukondla esibhedlela.
I-SVTs ngokuzenzakalelayo ivame kakhulu ukuphatha ngokuqondile, ngoba akukho uxhumano oluthe xaxa lwamandla kagesi olungabhekwa, kanti kusukela izidakamizwa ezithathelwanayo ngokuvamile azisebenzi kahle ekucindezeleni lezi zi-arrhythmias.
Ngakho ukwelashwa kwangempela kwe-SVT okuzenzakalelayo kuyindlela engafanele yokulapha, okuwukuthi, ukuphatha isifo sezempilo esiyinhloko. Cishe njalo, uma isiguli nge-othomathikhi ye-SVT sesitholile ngokwanele ukuze sikhululwe ku-unit yokunakekelwa okukhulu, i-arrhythmia izobe isanyamalala.
Ezihlukahlukene ezihlukahlukene ezikhethekile ze-SVT ezenzakalelayo azikona ngenxa yokugula okunzima futhi zivame ukuba zingavamile futhi kunzima ukuphatha. Lesi sinas tachycardia engalungile (i-IST), efanelwe ingxoxo eyayo .
Qaphela: Nakuba i-fibrillation ye-atriyri ngokwemvelo ifomu le-SVT, kubhekwa ukuthi isesigaba sayo. Funda lapha mayelana ne-fibrillation ye-atrial .
Imithombo
Blomström-Lundqvist C, Scheinman MM, Aliot EM, et al. Imikhombandlela ye-ACC / AHA / ESC yokuphatha iziguli ezine-arrhythmias ezingaphezulu - isifingqo esiphezulu: umbiko we-American College of Cardiology / American Heart Association Task Force on Iziqondiso Zokuzikhandla kanye ne-European Society of Cardiology Committee Yemihlahlandlela Yokuzikhandla (Ikomiti Yokubhala Thuthukisa izinkombandlela zokuphathwa kweziguli ezine-Arrhythmias Supraventricular). Ukujikeleza 2003; 108: 1871.