I-Sinus nodal reentrant tachycardia (ebizwa nangokuthi i-SNRT) ingenye ye-arrhythmias ehlukaniswa njenge -tachycardia engaphezulu (i-SVT) , ebizwa ngokuthi i-hearthythmicas esheshayo evela e-atria yenhliziyo. I-Sinus nodal reentrant tachycardia iyindlela ehlukumezayo ye-SVT.
Sibutsetelo
I-Sinus nodal reentrant tachycardia iyinhlangano ye- tachycardia ephindaphindiwe . Njengoba kunjalo ngaso sonke isikhathi nge-reentrant tachycardias, i-sinus nodal reentrant tachycardia kwenzeka ngenxa yokuthi uxhumano oluthe xaxa kagesi ngaphakathi enhliziyweni, olukhona kusukela ekuzalweni.
Kwi-sinus nodal reentrant tachycardia, uxhumano oluthe xaxa - futhi ngempela yonke isifunda esivela kabusha esivela i-arrhythmia - itholakala ngaphakathi kwe- node encane yesono .
Izimpawu
Izimpawu ze-SNRT zifana nezimpawu ezivame ukubonwa nganoma yiluphi uhlobo lwe-SVT. Isibonakaliso esivelele kunazo zonke yizintambo , nakuba abanye abantu abane-arrhythmia nabo bazobe bezwa "uhlobo olunesihenqo" sosizi .
Njengama-SVTs amaningi, izimpawu ngokuvamile ziqala ngokungazelelwe futhi ngaphandle kwesixwayiso esithile. Zibuye zinyamalale ngokulinganayo - ngokuvamile ngemva kwemizuzu embalwa kuya emahoreni amaningana.
I-node ye-sinus inikezwa ngokucebile yi- vagus nerve , ngakho-ke abantu abanesifo se-sinus nodal reentrant tachycardia bangakwazi ukuyeka iziqephu zabo ngokuthatha izinyathelo zokwandisa ithoni lezinzwa zabo, njengokusebenzisa umkhondo we- Valsalva , noma ukufaka ubuso babo emanzini e-ice imizuzwana embalwa.
Ukwahlukana Kokungalungi kweSinus Tachycardia
I-sinus tachycardia engafanele (IST) ifana ne-sinus nodal reentrant tachycardia kusukela kokubili kwalezi zi-arrhythmias zivela kwi-node yesusus.
Noma kunjalo, izici zazo zihluke kakhulu. I-sinus nodal reentrant tachycardia iyinhlangano ye-reentrant tachycardia, ngakho iqala futhi ivele ngokuphazima kweso, njengokuvula nokuvala umshini wokukhanya; futhi lapho isiguli singenaso isiqephu sangempela se-tachycardia, isilinganiso senhliziyo yakhe nesigqi senhliziyo sihlala sijwayelekile.
Ngokuphambene, i-IST iyi- tachycardia e-othomathikhi . Ngenxa yalokho, ayiqali futhi iqede ngokungazelelwe kodwa kunalokho, kancane kancane ishesha futhi ijule kancane kancane. Futhi, izinga lokushaya kwenhliziyo kubantu abaningi abane-IST kaningi akulona neze "evamile." Esikhundleni salokho, isilinganiso senhliziyo cishe ngaso sonke isikhathi sihlala okungenani siphakanyisiwe, ngisho nalapho singabonakali izimpawu.
Ukwelapha
Uma iziqephu ze-tachycardia zingavamile, futhi ikakhulukazi uma lezi ziqephu zingase zimekwe kalula ngokukhulisa ithoni ye-vagal, abantu abane-tusycardia yesinus nodal nodokotela bangase bangadingi noma yikuphi ukwelashwa kunoma yikuphi - ngaphandle kokufunda indlela yokuqaphela ukuthi i-arrhythmia iyenzeka, nokuthi kanjani ukumisa.
Uma kudingeka ukwelashwa okunamandla kakhulu - noma ngenxa yeziqephu ezivamile noma ubunzima ekuqedeni iziqephu - ukwelashwa kwezidakamizwa kuvame ukusebenza. Ukuthatha i- beta blocker noma abavimbela isiteshi se-calcium ngokuvamile kuzonciphisa kakhulu imvamisa yeziqephu, futhi / noma kwenze kube lula ukuyeka.
Uma i-sinus nodal reentrant tachycardia ihlupha futhi ingaphenduli ekwelapheni okungenasisindo encane, ukwelashwa kwe-ablation ngokuvamile kusebenza ekuqedeni ukuphela kwesigamu.
Noma kunjalo, kunzima ukususa indlela eyengeziwe kagesi ku-node ye-sinus ngaphandle kokulimaza insalela ye-node yesode.
Ngakho-ke inqubo yokuphumula isengozini enkulu yokukhiqiza i- sinus bradycardia ebalulekile, kuze kube yilapho kudingeke khona i- pacemaker engapheli.
Ngakho-ke, imizamo yokuthola ukwelashwa okungaphephile kufanele iyenze njalo ngaphambi kokucubungula ukwelashwa kwe-ablation ye-sinus nodal reentrant tachycardia.
> Imithombo:
> Fogoros RN, Mandrola JM. I-Supraventricular Tachyarrhythmias. Ku: Ukuhlolwa kwe-Electrophysiolgic kaFogoros, 6, uJohn Wiley & Sons, Oxford, 2017.
> Ikhasi RL, Joglar JA, Caldwell MA, et al. Umhlahlandlela we-ACC / AHA / HRS we-Management of Adult Patients With Tachycardia Ephakeme: Umbiko We-American College of Cardiology / American Heart Association Task Force Emitholampilo Yokuzikhandla Emitholampilo kanye ne-Heart Rhythm Society. I-Heart Rhythm 2016; 13: e136.