![Dab tsi yog Q nthwv dej? Dab tsi yog Q nthwv dej?](https://i.answers-medical.com/preview/medical-health/14076027-what-are-q-waves-j.webp)
Video: Dab tsi yog Q nthwv dej?
![Video: Dab tsi yog Q nthwv dej? Video: Dab tsi yog Q nthwv dej?](https://i.ytimg.com/vi/m_WtmnWCI5g/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Los ntawm kev txhais, a Q yoj ntawm electrocardiogram (ECG) yog qhov pib tsis zoo ntawm QRS complex. Technically, ib Q nthwv dej qhia tau hais tias cov kev taw qhia ntawm cov ventricular depolarization thaum ntxov (QRS) hluav taws xob ua haujlwm rau cov ncej tsis zoo ntawm cov hlau lead hauv nqe lus nug.
Ntxiv mus, dab tsi yog Q ib txwm muaj?
QRS. Cov Q zog yog ib qho kev tsis zoo me me uas ua ntej R yoj . Me me Q yoj (<0.03 vib nas this hauv lub sijhawm) yog a li qub nrhiav hauv txhua tus coj tsuas yog V1 los ntawm V3, qhov twg lawv ib txwm pathologic. Q zog ntawm txhua qhov loj me tuaj yeem yog li qub hauv kev coj ua III thiab aVR.
Ib yam li ntawd, muaj dab tsi tshwm sim thaum lub sij hawm Q yoj? Txoj cai yog: yog tias tus yoj tam sim ntawd tom qab P yoj yog kev tawm tsam sab saud, nws yog R yoj ; yog tias nws yog qhov kev poob qis, nws yog a Q zog :me me Q zog sib raug rau depolarization ntawm interventricular septum. tus S yoj qhia txog qhov kawg depolarization ntawm lub ventricles, ntawm lub hauv paus ntawm lub plawv.
Ntawm no, dab tsi ua rau Q nthwv dej?
Kab mob Q Waves . Kab mob Q zog yog ib qho cim ntawm kev mob myocardial infarction yav dhau los. Lawv yog qhov tshwm sim ntawm qhov tsis muaj hluav taws xob ua haujlwm. Ib qho myocardial infarction tuaj yeem xav tias yog ib qho hluav taws xob 'qhov' raws li cov ntaub so ntswg caws pliav yog hluav taws xob tuag thiab yog li ua rau muaj kab mob. Q zog.
AT wave zoo li cas?
Ib txwm T yoj Nquag, T yoj yog ncaj ncees hauv txhua qhov kev coj, tshwj tsis yog aVR, aVL, III thiab V1 coj. Qhov siab tshaj plaws amplitude ntawm T yoj muaj nyob ntawm V2 thiab V3 ua. Cov duab ntawm T. yoj feem ntau yog asymmetrical nrog lub ncov sib npaug.
Pom zoo:
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Qhov no tau hais tias, hom kev kho mob uas suav tias yog kev kho mob thib peb tam sim no suav nrog: kev lees paub thiab kev cog lus kho mob. kev kho tus cwj pwm dialectical. metacognitive kev kho mob
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