I-tricycardia ye-Ventricular eye yodwa ngokwemizuzwana engama-30 ibizwa ngokuba yi-tachycardia engenazo i-ventricular (NSVT). Ekubeni i-tricycardia ye-ventricular ingenokuba yingozi ye- cardiac arrhythmia , ixesha elide lihlala libi kakhulu. Ngoko i-NSVT ayiyona yingozi kakhulu kune-tachycardia ye-ventric eqhubekayo. Sekunjalo, kunokubangela iimpawu ezibalulekileyo, kwaye ngokuqinisekileyo kunokubonisa ubungozi obukhulu benhliziyo.
Sibanzi
Incazelo equlathekileyo ye-NSVT iyisiqhelo se-tachycardia ye-ventricular enezinga lentliziyo ubuncinane ubunzima be-120 ngomzuzu, elihlala ixesha elincinci elinesithathu kunye nokuqhubekayo ngaphantsi kwemizuzwana engama-30.
Ngokugqithiseleyo, i-NSVT ayibangeli nayiphi na impawu, okanye inokubangela ukuba izibilini zenzeke. Ngamanye amaxesha, i-NSVT inokuvelisa ubunqunu, utyhefu okanye, ngokungaqhelekanga, i- syncope (ukulahlekelwa kwengqondo).
Ngenxa yokuba i-NSVT ayinakuveza iimpawu eziphazamisayo, ngokuqhelekileyo zifunyenwe ngeso siganeko, ngelixa zirekhoda i-electrocardiogram (ECG) okanye ngenye indlela yokujonga ngentliziyo.
Kutheni i-NSVT ibalulekile?
Kukho izizathu ezintathu ze-NSVT kubalulekile. Okokuqala, i-NSVT ngokwayo ivelise iimpawu ezinzima. Okwesibini, kungabonisa ubukho beengxaki zesifo senhliziyo esaziwayo ngaphambili. Ekugqibeleni, ubukho be-NSVT bunokubonisa ukungazinzi kombane okusongela ngakumbi, mhlawumbi okukhokelela kwiimpawu eziyingozi ngakumbi ezifana nefridayric fibrillation .
Ukuxilongwa
Ukuba ufumene ukuba unesifo se-NSVT, kubaluleke kakhulu ukuba ugqirha wakho enze ukuhlolwa kwenhliziyo ukujonga isifo senhliziyo esisisiseko.
Iintlobo zesifo senhliziyo esivame ukudibaniswa ne-NSVT ziyi- coronary artery disease (CAD) kunye nokungaphumeleli kwentliziyo ngenxa ye-cardiomyopathy. I-NSVT ibonakala kwakhona nge- hypertrophic cardiomyopathy kunye nesifo se-valve (ikakhulukazi i-aortic stenosis kunye ne- mitral regurgitation ).
Uninzi lwale miqathango lunokukhishwa ngaphandle kwe-echocardiogram, kodwa uvavanyo lwe-thallium oluxinzelelekileyo lunokuba luncedo xa unemingcipheko yeCAD.
Ngamanye amaxesha, i-NSVT ibangelwa zizimo zengqondo ezingahambelani nesifo senhliziyo (oko kukuthi, isifo senhliziyo esingatshintshi isimo senhliziyo). Okuqhelekileyo kwezi meko ziphindaphinda i-tricycardia ye-monomorphic ventricular (RMVT) . I-RMVT yinto engavamile yokuzalwa yintlungu echaphazela inkqubo yombane, enokuvelisa utshintsho oluthile olubonakalayo kunye ne-echocardiogram. Ukuphazamiseka okunje okuvelisa i-NSVT ngokuqhelekileyo ifunyaniswa xa ugqirha ephawula iimpawu ezithile ze-arrhythmia kwi-ECG.
Unyango
Kwiimeko ezininzi, i-NSVT ibaluleke ngokukodwa njengesalathisi esinokuba nesifo senhliziyo. Ukuba isifo senhliziyo sifumaneka, unyango kufuneka lujoliswe kulo. Ukuba akukho sifo sentliziyo sifumaneka, ngokubanzi, i-NSVT ayinakwandisa ngokukhawuleza ingozi yokubanjwa kwentliziyo, kwaye kwindlela yokugonywa yonyango, ngokuqhelekileyo kukho imeko yokuba akukho mfuneko yonyango.
Ngokungaqhelekanga, isifo sengqondo ngokwaso sibeka umngcipheko omkhulu wokufa ngokukhawuleza kwi-arrhythmias yenhliziyo.
Oku kuyinyani ngokukodwa kwi-CAD kunye nokuhluleka kwentliziyo. Kule miqathango, umngcipheko wokubanjelwa komzimba unxulumene kakhulu kwiqhekeza le- ejection ye-ventricular kune-presence or absence of NSVT. Ukunciphisa umngcipheko, xa iqhekeza le-ejection liyancitshiswa kakhulu, i- defibrillator efakekayo ifanele iqwalaselwe.
Kubantu abanesifo sengqondo se-hypertrophic cardiomyopathy, ubukho be-NSVT bubonisa ingozi ephakamileyo yokufa ngokukhawuleza. Ngoko kulaba bantu abane-NSVT babeza kwenza isifo se-cardiologist sithembele kwicala lomgcini-mzimba, ngokukodwa ukuba kukho imbali yokufa ngokukhawuleza kwi-cardiomyopathy kwintsapho.
Ukuba i-NSVT ingatshintshi ukugxekwa kwesifo senhliziyo se-valvular, kubandakanya i- mitral valve prolapse , kwaye kule miqathango akufanele ibe yinto ebangela ukwenza izigqibo zonyango.
Abantu abaselula abane-NSVT kwaye akukho nesifo senhliziyo esifanelekileyo kufuneka bathunyelwe kwi-carroac electrophysiologist (i-heart-rhythm specialist) ukuba ihlolwe i-RMVT kunye nezinye izimo zokubeleka ezinokuvelisa le-arrhythmia. Ezi ntlobo ze-arrhythmi ziyakuthi ziphathwe ngonyango wokuxhoma .
Amachiza
Ukuba kwakungelula kwaye / okanye ukhuselekile ukulahla i-NSVT ngeyeza lonyango, le nto ayiyi kuba ngumbuzo onzima. Ngelishwa, iziyobisi ezingasetyenziselwa ukuphatha i-NSVT zihlala zingasebenzi kwaye zivame ukuvelisa imiphumo emibi kakhulu.
Ukuba kusetyenziswa unyango lweziyobisi, uninzi lwagqirha luya kuqala ngokusebenzisa i- beta blockers , kunye ne- block calumine block blockers , ekubeni la mayeza anganciphisa ngamanye amaxesha iimpawu, kwaye zikhuselekile. Nangona kunjalo, ukuba izidakamizwa zangempela ziza kuqwalaselwa, ukusetyenziswa kwazo kufuneka zihlale zikhokelwa yi-carroac electrophysiologist.
Umgca wokubaluleka kukuba ukubaluleka kwe-NSVT kaninzi kungekhona nge-NSVT ngokwayo. Esikhundleni saloo nto, idla ngokuba yinto yokuba i-NSVT ingaba yinkcazelo kwiengxaki zentliziyo efuna ukuhlolwa kunye nokuphathwa.
> Imithombo:
> I-Marine JE, Shetty V, i-Chow GV, et al. > Ukubaluleka nokuBaluleka kokuBaluleka koTyyydiadia engaxhaswanga nge-Exercostic Tucycardia kumaVolontiya angabonakaliyo >: BLSA (iBaltimore Longitudinal Study of Aging). J Am Coll Cardiol 2013; 62: 595.
> Zipes, DP, Camm, AJ, Borggrefe, M, et al. > I-ACC / AHA / ESC 2006 Izikhokelo zokuLawula izigulane ezinee-Arrichythmias ze-Ventricular kunye nokuKhuselwa koKhuseleko lweCaracac-Death Summary Summary Umbiko we-American College of Cardiology / American Heart Association Task Force kunye ne-European Society yeKomiti yeCardiology yokuSebenza izikhokelo ( IKomidi yokuBhala ukuPhucula iziKhokelo zoLawulo lwezigulane ezinee-Arrichystmias kunye neNqande yokufa kweCardiac Sudden) . J Am Coll Cardiol 2006; 48: 1064.