Health Library
October 10, 2025
Question on this topic? Get an instant answer from August.
Ko te mate ngā roa QT he āhuatanga o te ihu o te ngakau e pā ana ki te mahi a te pūnaha hiko o tō ngakau. Ka whiwhi i tōna ingoa mai i te tauira motuhake ka kitea e ngā tākuta i te whakamātautau electrocardiogram (ECG), kei reira tetahi wāhanga o te huringa whiu o tō ngakau e roa atu ana i te tikanga.
Ka taea e tēnei āhuatanga te whakaoho i tō ngakau ki te whiu i te tere, te āhuatanga kē te karangahia ko te torsades de pointes. Ahakoa ka rongo pea tenei he wehi, he tokomaha ngā tāngata e ora ana i te mate ngā roa QT i ngā oranga noa, hauora me te tiaki tika me te matauranga.
Ka puta te mate ngā roa QT ina roa rawa te wa e tangohia ana e tō ngakau ki te whakahoki i waenga i ngā whiu. Whakaarohia tō ngakau me te hiko hiko e hiahia ana ki te utu i muri i ia whiu kia noho tonu ai te rere.
Ko te "QT interval" e pā ana ki te ine i te tohu hiko o tō ngakau. Ina roa atu tenei wāhanga i te tikanga, ka taea te hanga i te matapihi kei reira pea ngā āhuatanga o te ngakau kino. Ka taea e tēnei āhuatanga te mea i whānau mai koe rānei, te whanake rānei na ngā rongoā, ngā take hauora rānei.
Ko te nuinga o ngā tāngata e mate ngā roa QT ana he tino noa te hanganga o te ngakau. Ko te take kei ngā tohu hiko e whakahaere ana i te whiu o tō ngakau.
He tokomaha ngā tāngata e mate ngā roa QT ana kaore e kitea he tōmhanga. Ina puta mai ngā tōmhanga, ka puta pea i te wa e whiu ana tō ngakau i te āhuatanga kino.
Ko ēnei ngā tōmhanga matua ka kitea pea e koe:
Ko ngā wā ngaro te tohu tino mohiotia. Ka puta pea i te wā e pōkai ana tō tinana, ahakoa he tinana, he ngākau rānei. Ka kitea e ētahi tāngata kei te puta o rātou tōmhanga ki te whakakori tinana, te kauhoe, te ohorere rānei i te karaka.
E rua ngā momo matua o te mate ngā roa QT: te whānau (i whakawhiwhia mai) me te whiwhi (i whanakehia i muri mai i te ora). Ko te mārama ki te momo kei a koe ka āwhina i te aronga i tō huarahi maimoatanga.
Ko te mate ngā roa QT whānau e puta mai ana i ngā rerekētanga ira e whiwhi ana koe i ō mātua. He iti rawa te 17 momo ira rerekē, ko ngā toru tino noa ko:
Ka whanake te mate ngā roa QT whiwhi na ngā take o waho penei i ngā rongoā, ngā āhuatanga hauora, ngā koretake o te waikawa rānei. Ko tēnei momo ka taea te whakahoki i te wa e whakatikahia ana te take.
Ko ngā take o te mate ngā roa QT e whakawhirinaki ana ki te momo i whakawhiwhia mai rānei, i whiwhi rānei. Kia tirohia ngā mea e arahina ana ki ia momo.
Ko te mate ngā roa QT whānau e puta mai ana i ngā rerekētanga ira e pā ana ki ngā pūtau e karangatia ana ko ngā hongere ion. Ko ēnei hongere e whakahaere ana i te rere o ngā tohu hiko i roto i ngā pūtau o tō ngakau. Ina kore e mahi tika, ka roa ake te whakahoki hiko o tō ngakau i te tikanga.
Ka taea te whanake o te mate ngā roa QT whiwhi mai i ētahi take:
I etahi wa, he iti te whakaaro o te iwi ki te mate e kore e pakaru anake i te wa e whakamahia ana ngā rongoā, ngā kaiwhakaoho rānei. Ka whakamārama tenei i te take i whanake ai ētahi tāngata i ngā tōmhanga i muri mai i te ora ahakoa he momo i whakawhiwhia mai.
Me rapu koe i te tiaki hauora mena ka pāngia koe e ngā wā ngaro, ina koa i te wā e whakakori tinana ana, te ahotea ngākau rānei. Āe rawa tetahi wā ngaro kaore i whakamāramatia e tika ana kia arotakehia, ina koa ki te puta i te wā e mahi tinana ana.
Whakapiri atu ki tō tākuta i te wa poto mena ka kitea e koe ngā whiu ngakau e rerekē ana i te manukanuka noa, ngā wā māuiui, te ECG rānei e kore e tika. Ko te hītori whānau he mea nui hoki - ki te mea he whānau tata kei a rātou te mate ngā roa QT, kua mate rānei i te tamariki, korerohia tenei ki tō kaiwhakarato hauora.
Rapua te tiaki ohorere i te wa poto mena ka ngaro koe, kaore hoki e ara wawe, he mamae uma me te ngaro, te mea rānei e rite ana ki te hopu. Ka taea e ēnei te tohu i te āhuatanga o te ngakau kino e hiahia ana ki te maimoatanga ohorere.
He maha ngā take ka piki ake tō tūponotanga ki te whanake i te mate ngā roa QT, ki te pāngia rānei e ngā raruraru mena kei a koe. Ko te mārama ki ēnei ka āwhina i a koe me tō tākuta ki te whakatau i ngā whakatau e pā ana ki tō tiaki.
Mō te momo i whakawhiwhia mai, ko tō take pāngarau matua ko te whai i ngā mema whānau e mate ngā roa QT ana, te ngaro whakamārama kore rānei, te mate ngakau ohorere rānei i te tamariki. Ko ngā wāhine e mate ngā roa QT ana ka piki ake pea te tūponotanga i ngā huringa homoni, ina koa i muri i te whānautanga.
Ko ngā take pāngarau mō te mate ngā roa QT whiwhi ko:
Ko te tau hoki e mahi ana i ngā tauira tōmhanga. Ko ngā tamariki me ngā taitamariki e mate ana i ngā momo i whakawhiwhia mai ka puta pea ō rātou tōmhanga tuatahi i te wā o te pakeketanga, ka taea e ngā pakeke te whanake i ngā momo whiwhi na ngā rongoā, ngā huringa hauora rānei.
Ko te take nui mō te mate ngā roa QT ko te tūponotanga o te whanake i te āhuatanga o te ngakau kino e karangatia ana ko te torsades de pointes. Ka taea e tēnei āhuatanga te whakaoho i te ngaro, i te wā rānei, ka taea te haere ki te mate ngakau.
Ko te nuinga o ngā wā o te torsades de pointes he poto, ka mutu ake i a rātou anō, koia te take i ngaro ai te tokomaha o ngā tāngata, ka ora tonu. Heoi, ko te mārama ki ngā raruraru pea ka āwhina i a koe ki te tango i ngā whakamaramatanga tika.
Ko ngā raruraru pea ko:
Ko te rongo pai, me te maimoatanga tika me te matauranga, ka whakaitihia te tūponotanga o ngā raruraru kino. Ko te nuinga o ngā tāngata e whakahaere pai ana i te mate ngā roa QT ka taea te whakauru ki ngā mahi noa maha i te ātete.
Ko te whakatau i te mate ngā roa QT e tīmata ana me te electrocardiogram (ECG), e ine ana i te mahi hiko o tō ngakau. Ka titiro tō tākuta ki te wāhanga QT roa, ahakoa i etahi wā kaore tenei e kitea i tetahi whakamātautau kotahi.
Ka tūtohutia pea e tō tākuta ētahi whakamātautau hei whiwhi i te whakaahua katoa:
I etahi wā kaore te whakatau i te tika. Me tirotiro pea e tō tākuta ō tōmhanga, te hītori whānau, te rārangi rongoā rānei me ngā hua whakamātautau. Ka taea hoki e rātou te mahi i ngā whakamātautau motuhake e wero ana i te pūnaha hiko o tō ngakau i te ātete.
Ko te maimoatanga mō te mate ngā roa QT e aro ana ki te aukati i ngā āhuatanga o te ngakau kino, ki te whakahaere rānei i ō tōmhanga. Ko te huarahi e whakawhirinaki ana ki tō momo motuhake, te kaha o ngā tōmhanga, me ngā take pāngarau takitahi.
Mō te mate ngā roa QT whiwhi, ko te maimoatanga e whakauru ana ki te whakatika i te take. Ka taea tenei te tikanga o te mutu, te whakarerekē rānei i ngā rongoā, te whakatika i ngā koretake o te waikawa, te maimoatanga rānei i ngā āhuatanga penei i ngā mate tairoki.
Ko ngā whiringa maimoatanga mō te mate ngā roa QT i whakawhiwhia mai ko:
Ko ngā beta-blockers te maimoatanga tuatahi na te mea ka āwhina ki te whakau i tō ihu ngakau. Ka mahi tahi tō tākuta me koe ki te rapu i te rongoā tika me te horo e whakahaere ana i ō tōmhanga me te whakaiti i ngā pānga.
Ko te whakahaere i te mate ngā roa QT i te kāinga e whakauru ana ki te matauranga o ō kaiwhakaoho me te tango i ngā mahi hei karo i a rātou. Kāore tēnei e tikanga kaore e taea e koe te ora i te ora mahi, engari ko te tikanga ka mahi koe i ngā whakatau e pā ana ki ngā mahi.
Ko ēnei ngā rautaki whakahaere kāinga matua:
Tātai ki te āhua o tō rongo i ngā mahi rerekē. Mena ka kitea e koe ngā tōmhanga me ngā whakakori tinana, ngā āhuatanga rānei, kōrerohia ngā whakarerekētanga ki tō tākuta i te karo i ngā mahi katoa.
Me ako ngā mema whānau i te CPR taketake me te mohio ki te kite mena kei te pāngia koe e tetahi wā kino. Ko te whai i te mahere ka āwhina i te katoa ki te rongo atu i te whakapono me te whakarite.
Ko te whakarite mō tō hui ka āwhina i te whakarite kia whiwhi koe i te nuinga o tō haerenga. Kawe mai i te rārangi katoa o ngā rongoā, ngā taapiri, me ngā rongoā-ā-te-kāinga e tangohia ana e koe, na te mea ka taea e ētahi te pā ki tō ihu ngakau.
Tuhia ō tōmhanga, tae atu ki te wā e puta mai ana, te mahi i mahi ana koe, me te roa o te roa. Kia tohuhia ngā tauira kua kitea e koe, penei i ngā tōmhanga e puta ana i te wā e whakakori tinana ana, te ahotea, te wā rānei o te rā.
Kohikohia tō hītori hauora whānau, ina koa tetahi korero e pā ana ki ngā raruraru ngakau, ngā mate ohorere, te ngaro rānei i ngā whānau. Ko tēnei korero he mea nui mō te mārama ki ō tūponotanga me ō hiahia maimoatanga.
Whakaritea ngā pātai e pā ana ki ō mahi o ia rā, ngā rongoā, me ētahi āwangawanga kei a koe. Pātaihia e pā ana ki ngā herenga mahi, te mahere ohorere, me te wā hei rapu i te tiaki ohorere.
Kāore e taea e koe te aukati i te mate ngā roa QT i whakawhiwhia mai na te mea i whakaritea e ō ira. Heoi, ka taea e koe te tango i ngā mahi hei aukati i te mate ngā roa QT whiwhi me te whakaiti i ngā raruraru mena kei a koe tētahi momo.
Ko ngā rautaki aukati e whakauru ana ki te tupato ki ngā rongoā e taea te whakaroa i te wāhanga QT. Me whakamōhio tonu ngā kaiwhakarato hauora ki tō āhuatanga i mua i te whiwhi i ngā rongoā hou, tae atu ki ngā rongoā mate huaketo, rongoā pouri rānei.
Pupuri i te hauora pai katoa mā te kai i te kai rite e whai ana i te pōtāhiuma me te māhinaina, te noho makuku tika, me te whakahaere i ētahi atu āhuatanga hauora penei i te mate huka, ngā mate tairoki rānei. Karohia te inu nui o te waiū me ngā raau taero ture kore, e taea te pā ki tō ihu ngakau.
Mena kei a koe te hītori whānau o te mate ngā roa QT, ngā mate ohorere whakamārama kore rānei, whakaarohia te tohutohu ira me te whakamātautau. Ko te tautuhi wawe ka taea te tirotiro tika me te aukati i ngā raruraru.
Ko te mate ngā roa QT he āhuatanga e taea te whakahaere e pā ana ki te pūnaha hiko o tō ngakau. Ahakoa e hiahia ana ki te arotake tonu me te tiaki, ko te nuinga o ngā tāngata e mate ana i tēnei āhuatanga ka taea te ora i ngā ora katoa, mahi me te maimoatanga tika me te matauranga.
Ko te mea nui ko te mahi tata atu ki tō rōpū hauora hei mārama ki tō momo motuhake me ō take pāngarau. Me te whakakotahitanga tika o ngā rongoā, te matauranga oranga, me te tirotiro tonu, ka taea e koe te whakaiti i tō tūponotanga o ngā raruraru.
Kia mahara kei te whakataurite te mate ngā roa QT i ō herenga - ko te tikanga noa ka mahi koe i ngā whakatau e pā ana ki ō mahi me tō tiaki hauora. Noho whakauru ki tō mahere maimoatanga, korero whakatere ki ō tākuta, kaua hoki e whakaroa ki te pātai e pā ana ki tō āhuatanga.
He tokomaha ngā tāngata e mate ngā roa QT ana ka taea te whakakori tinana i te ātete, engari me whakarerekē pea te momo me te kaha e whakawhirinaki ana ki tō āhuatanga motuhake. Ka āwhina tō tākuta ki te whakatau i ngā mahi e tika ana mōu. Ka taea te whakakore i te kauhoe mō ētahi momo o te mate ngā roa QT i whakawhiwhia mai, ka taea pea te whakatenatena i ētahi atu whakakori tinana me ngā whakamaramatanga tika.
Ko ētahi momo o te mate ngā roa QT he ira, ka tukuna atu ki ngā whānau mā ngā rerekētanga ira. Mena kei a koe te mate ngā roa QT i whakawhiwhia mai, he 50% te tūponotanga o ia tamaiti ki te whiwhi i te āhuatanga. Heoi, ko te whai i te rerekētanga ira kaore e whakamana i te whanake o ngā tōmhanga, ā, kāore ngā momo whiwhi e tukuna atu ki ngā tamariki.
He maha ngā rongoā ka whakaiti i te mate ngā roa QT, tae atu ki ētahi rongoā mate huaketo, rongoā pouri, antihistamines, me ngā rongoā ngakau. Me whakamōhio tonu ngā kaiwhakarato hauora ki tō āhuatanga i mua i te whiwhi i ngā rongoā hou. Pupuri i te rārangi hou o ngā rongoā hei karo, me te whakaaro ki te mau i ngā taonga whakaatu hauora.
Kāore e taea te whakaora i te mate ngā roa QT i whakawhiwhia mai na te mea e puta mai ana i ngā rerekētanga ira, engari ka taea te whakahaere tika me te maimoatanga. Ka taea pea te whakahoki i te mate ngā roa QT whiwhi mena ka taea te whakatika i te take (penei i te rongoā, te koretake o te waikawa rānei). Ahakoa he momo i whakawhiwhia mai, ko te maimoatanga tika ka taea e te nuinga o ngā tāngata te ora i ngā ora noa.
Ka taea te kino o te mate ngā roa QT mena kaore i te maimoatia, ka taea te arahina ki ngā āhuatanga o te ngakau kino. Heoi, me te whakatau tika me te maimoatanga, ko te nuinga o ngā tāngata e mate ana i tēnei āhuatanga he hua pai. Ko te matua ko te mahi tahi me tō rōpū hauora hei whakahaere i ō take pāngarau motuhake me te whai i tō mahere maimoatanga tonu.
6Mpeople
Get clear medical guidance
on symptoms, medications, and lab reports.