Sinus nodal reentrant tachycardia (yomwe imatchedwanso SNRT) ndi imodzi mwa ma arrhythmias omwe amagawidwa ngati tachycardia (SVT) , yomwe imathamanga mtima kwambiri kuchokera ku mtima wa atria. Sinus nodal reentrant tachycardia ndi mtundu wa SVT.
Mwachidule
Sinus nodal reentrant tachycardia ndi reachrant tachycardia . Monga momwe ziliri ndi reentrant tachycardias, sinus nodal reentrant tachycardia imachitika chifukwa pali kugwirizana kwa magetsi mumtima, komwe kulipo kuchokera kubadwa.
Mu sinus nodal reentrant tachycardia, mgwirizano wowonjezera - ndipo ndithudi dera lonselo lopangika lomwe limapanga arrhythmia - liri mkati mwa nambala yaying'ono ya sinus .
Zizindikiro
Zizindikiro za SNRT ndizofanana ndi zizindikiro zomwe zimawoneka ndi mtundu uliwonse wa SVT. Chizindikiro chodziwika kwambiri ndi chiphuphu , ngakhale anthu ena omwe ali ndi arrhythmia adzalinso ndi "mimba" yamtundu wanzeru .
Mofanana ndi ma SVTs ambiri, zizindikiro zimayamba mofulumira komanso popanda chenjezo. Amakhalanso mofulumira mofanana - nthawi zambiri pambuyo pa mphindi zingapo mpaka maola angapo.
Nkhumba ya sinus imaperekedwa kwambiri ndi nthenda ya vagus , kotero anthu omwe ali ndi sinus nodal reentrant tachycardia amatha kuimitsa masewera awo pochita zowonjezera mowonjezera mavenda awo, monga kuchita njira ya Valsalva , kapena kusinja nkhope zawo mu madzi a ayezi. masekondi pang'ono.
Kusiyanasiyana kwa Sinus Yosafunika Tachycardia
Sinus tachycardia (IST) yosavomerezeka ndi yofanana ndi sinus nodal reentrant tachycardia popeza zonsezi zimachokera ku node ya sinus.
Komabe, makhalidwe awo amasiyana kwambiri. Sinus nodal reentrant tachycardia ndi reentrant tachycardia, kotero imayamba ndikuima mwadzidzidzi, monga kutembenuka ndi kuchoka pamsewu; ndipo pamene wodwalayo alibe kachilendo ka tachycardia, chiwerengero cha mtima wake ndi mtima wake amakhalabe wabwinobwino.
Mosiyana ndi zimenezi, IST ndi tachycardia yokha . Chifukwa chake, sichiyamba ndi kuima mwadzidzidzi koma m'malo mwake, imapita patsogolo pang'onopang'ono ndipo imawongolera pang'onopang'ono. Komanso, chiwerengero cha mtima mwa anthu ambiri omwe ali ndi IST kawirikawiri sichimakhala kwenikweni "chachilendo." Mmalo mwake, kuyima kwa mtima nthawi zonse kumakhala kosakwanira, ngakhale kuti sikutulutsa zizindikiro.
Chithandizo
Ngati ma episodes a tachycardia ndi achilendo, makamaka ngati zigawozi zikhoza kuima mosavuta ndi zizindikiro za vagal, anthu omwe ali ndi sinus nodal reentrant tachycardia sangadye thandizo lililonse la mankhwala - pokhapokha ataphunzira momwe angadziwire kuti chigamulo chikuchitika, ndi momwe kuimitsa.
Ngati mankhwala owonjezereka amafunika - mwina chifukwa cha nthawi zambiri kapena zovuta kuthetsa zigawo - mankhwala ochizira mankhwala nthawi zambiri amagwira ntchito. Kutenga beta blocker kapena calcium channel blockers nthawi zambiri amachepetsa kuchuluka kwa magawo, ndi / kapena kuwapangitsa kuwasiya mosavuta.
Ngati sinus nodal reentrant tachycardia imakhala yovuta kwambiri ndipo siimayankha njira zochepa zochiritsira, njira yothandizira anthu nthawi zambiri imakhala yogwira ntchito kuthetseratu magulu onsewa.
Komabe, zimakhala zovuta kutsegula njira yowonjezera yamagetsi mumtundu wa sinus popanda kuwononga nthendayi yotsalira.
Kotero njira yowonjezerapo imakhala ndi chiopsezo chokwanira cha kupanga sinus bradycardia yeniyeni , kuti pakhale pacemaker yosatha.
Choncho, kuyesa kupeza chithandizo chopanda chithandizo kuyenera kuchitidwa musanayambe kulingalira za mankhwala opatsirana pogwiritsa ntchito sinus nodal reentrant tachycardia.
> Zotsatira:
> Fogoros RN, Mandrola JM. Oyang'anira Tachyarrhymias. Mu: Fogoros 'Electrophysiolgic Testing, 6, John Wiley & Ana, Oxford, 2017.
> Tsamba RL, Joglar JA, Caldwell MA, et al. Msonkhano wa 2015 ACC / AHA / HRS kwa Otsogolera Odwala Achikulire Akuluakulu a Tachycardia: Lipoti la American College of Cardiology / American Heart Association Task Force on Clinical Practice Guidelines ndi Heart Rhythm Society. Mtima Rhythm 2016; 13: e136.