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Video: Dab tsi yog thawj degree AV thaiv ntawm ECG?
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2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
A first degree AV ntawm thaiv tshwm sim thaum conduction los ntawm lub AV node tau qeeb, yog li ncua sijhawm nws yuav siv rau lub peev xwm los taug kev los ntawm SA node, dhau los ntawm AV node, thiab rau lub ventricles. A thawj qib AV thaiv yog qhia rau ECG los ntawm kev ncua sij hawm PR.
Tib neeg kuj nug, yog thawj degree lub plawv block loj?
Thawj - qib plawv thaiv tsis tshua muaj tshwm sim los yog teeb meem. Cov neeg ncaws pob tau kawm zoo tuaj yeem muaj ua ntej - qib plawv thaiv . Thib ob- qib plawv thaiv (Hom II) - Nrog rau qhov mob no, qee qhov hluav taws xob impulses tsis tuaj yeem ncav cuag lub ventricles. Tus mob no tsawg dua li Hom I, thiab ntau dua loj.
Ib yam li ntawd, sinus atherosclerosis nrog 1st degree AV block yog dab tsi? Thawj - qib atrioventricular ( AV ) thaiv , los yog ua ntej - qib plawv thaiv , yog txhais raws li kev ncua ntev ntawm PR ncua sij hawm ntawm ib qho electrocardiogram (ECG) mus rau ntau tshaj 200 msec. Hauv ua ntej - degree AV thaiv , txhua lub atrial impulse yog kis mus rau ventricles, ua rau lub ventricular npaum li cas.
Tsis tas li kom paub yog, kev kho mob rau thawj qib AV thaiv yog dab tsi?
Feem ntau, tsis muaj kev kho mob yog yuav tsum tau rau ua ntej - degree AV thaiv tshwj tsis yog tias PR ncua sijhawm ntev heev (> 400 ms) lossis hloov pauv sai, hauv qhov xwm txheej twg tau qhia. Prophylactic antiarrhythmic tshuaj kho tau zoo tshaj plaws nyob rau hauv cov neeg mob nrog cim ua ntej - degree AV thaiv.
Dab tsi yog cov tsos mob ntawm thawj degree plawv nres?
Thawj lub plawv thaiv feem ntau tsis ua rau muaj tsos mob. Tej zaum nws yuav raug kuaj pom thaum lub sij hawm niaj hnub electrocardiogram (ECG / EKG), tab sis tus neeg mob lub plawv dhia thiab lub atherosclerosis feem ntau yog qhov qub. Cov tsos mob ntawm ob- thiab thib peb-degree lub plawv thaiv suav nrog tsaus muag , kiv taub hau, qaug zog , ua tsis taus pa thiab mob hauv siab.
Pom zoo:
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Nrog rau txoj hauv kev kuaj pom ncaj qha, ib qho enzyme- lossis fluorophore-conjugated thawj cov tshuaj tiv thaiv kab mob tau siv los txhawm rau txheeb xyuas antigen ntawm kev txaus siab ntawm qhov blot. Hauv txoj hauv kev tshawb nrhiav tsis ncaj, ib qho tsis muaj npe thawj cov tshuaj tiv thaiv kab mob yog thawj zaug siv los khi rau antigen
Hom ntawv pov thawj dab tsi thiab pov thawj lom neeg tuaj yeem pom ntawm qhov ua txhaum?
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Fibers, plaub hau, av, ntoo, cov phom phom thiab paj ntoos tsuas yog qee qhov piv txwv ntawm cov pov thawj uas yuav kis tau ntawm tib neeg, cov khoom lossis ib puag ncig thaum ua txhaum. Cov neeg tshawb nrhiav tuaj yeem muaj peev xwm txuas tus neeg phem thiab tus neeg raug tsim txom mus rau qhov chaw sib koom los ntawm cov pov thawj taug qab
Thawj qhov kev nyuab siab nthuav dav thawj thiab kev nyuab siab thib ob los ntawm kev ua piv txwv yog dab tsi?
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Thawj qhov kev ntxhov siab yog cim nyob rau hauv IPA los ntawm kev muab ib txoj kab ntsug ntsug [ˈ] nyob rau ntawm qhov pib ntawm lub suab. Secondary stress: cov lus uas tsis muaj kev ntxhov siab kiag li, tab sis tsis nrov li qhov kev ntxhov siab. Kev ntxhov siab thib ob yog cim nrog txoj kab qis qis [ˌ] nyob rau ntawm qhov pib ntawm lub suab
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Ua. Qhov feem ntau ua rau thawj-degree lub plawv thaiv yog kab mob AV nodal, txhim kho vagal tone (piv txwv li hauv cov neeg ncaws pob), myocarditis, mob myocardial infarction (tshwj xeeb tshaj yog mob inferior MI), electrolyte cuam tshuam thiab noj tshuaj
Cov piv txwv ntawm kev tiv thaiv thawj zaug yog dab tsi?
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Kev tiv thaiv thawj zaug suav nrog cov kev tiv thaiv uas tuaj ua ntej pib mob lossis raug mob thiab ua ntej pib txheej txheem kab mob. Piv txwv suav nrog txhaj tshuaj tiv thaiv kab mob thiab ua haujlwm ib txwm muaj los tiv thaiv teeb meem kev noj qab haus huv yav tom ntej