![Cov yam ntxwv zoo li cas hauv ECG feem ntau qhia txog myocardial ischemia? Cov yam ntxwv zoo li cas hauv ECG feem ntau qhia txog myocardial ischemia?](https://i.answers-medical.com/preview/medical-health/13932450-what-characteristic-on-the-ecg-typically-indicates-myocardial-ischemia-j.webp)
Video: Cov yam ntxwv zoo li cas hauv ECG feem ntau qhia txog myocardial ischemia?
![Video: Cov yam ntxwv zoo li cas hauv ECG feem ntau qhia txog myocardial ischemia? Video: Cov yam ntxwv zoo li cas hauv ECG feem ntau qhia txog myocardial ischemia?](https://i.ytimg.com/vi/hWMaZYtVuco/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Lub cim ECG ntawm subendocardial ischemia yog ST ntu kev nyuaj siab (A). Kev nyuaj siab yog thim rov qab yog ischemia tsuas yog hloov pauv tab sis kev nyuaj siab mob ntxiv yog tias ischemia hnyav txaus los tsim kev tuag. T yoj rov qab nrog lossis tsis muaj ntu ST kev nyuaj siab (B) qee zaum pom tab sis tsis yog ST ntu nce lossis Q yoj.
Ib yam li ntawd, nws tau nug, ECG hloov dab tsi qhia tias myocardial ischemia?
ECG hloov pauv ntawm infarction suav nrog ST nce ( qhia raug mob), Q nthwv dej ( qhia necrosis), thiab T-wave inversion ( qhia tias ischemia thiab kev hloov pauv ntawm infarction ). Thawj zaug ECG hloov pom hauv tsev kho mob feem ntau yog ST ntu nce, uas qhia tias myocardial raug mob hauv cov ntaub so ntswg hauv qab cov electrodes.
Tom qab ntawd, lo lus nug yog, yuav ua li cas mob plawv ischemic cuam tshuam rau ECG tus qauv? Cov ECG nyob rau hauv ischemic plawv kab mob . Cov ECG yog ib qho cuab yeej tsis muaj txiaj ntsig hauv mob hnyav thiab mob myocardial ischemia. Vim yog ischemia feem ntau cuam tshuam myocardial repolarization, nws yuav ua rau muaj kev hloov pauv hauv ST-ntu thiab T-yoj (sau ua ke hu ua ST-T hloov pauv).
Ib tus tseem yuav nug, ua li cas myocardial ischemia kuaj pom ntawm ECG?
Qoj ib ce ECG yog siv dav rau kev kuaj mob ntawm ischemic cov tsos mob kab mob plawv. Feem ntau ECG kos npe ntawm myocardial ischemia yog tiaj lossis nqes nqes ST-ntu kev nyuaj siab ntawm 1.0 hli lossis ntau dua. Daim ntawv tshaj tawm no ua tib zoo mloog rau lwm yam uas tsis tshua muaj tshwm sim, tab sis tej zaum tseem ceeb ib yam, ECG manifestation ntawm myocardial ischemia.
ECG puas tuaj yeem kuaj pom ischemia?
Cov electrocardiogram tshuaj xyuas ( ECG ) yog qhov kev kuaj mob tseem ceeb rau cov neeg mob uas muaj peev xwm lossis tsim tau myocardial ischemia , raug mob, lossis infarction. Qhov txawv txav tshwm sim hauv ntu ST, ntu T, thiab QRS txoj. Txawm li cas los xij, cov ECG tej zaum yuav zoo li qub lossis tsis tshwj xeeb hauv cov neeg mob no.
Pom zoo:
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