![Posterior MI yog dab tsi? Posterior MI yog dab tsi?](https://i.answers-medical.com/preview/medical-health/14050205-what-is-a-posterior-mi-j.webp)
Video: Posterior MI yog dab tsi?
![Video: Posterior MI yog dab tsi? Video: Posterior MI yog dab tsi?](https://i.ytimg.com/vi/Zj3ozXAM-3k/hqdefault.jpg)
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
A tom qab phab ntsa MI tshwm sim thaum tom qab cov ntaub so ntswg myocardial (tam sim no hu ua inferobasilar), feem ntau yog muab los ntawm cov tom qab nqes hav cov hlab ntshav - ib ceg ntawm txoj hlab ntshav txoj cai hauv 80% ntawm cov tib neeg - ua rau cov ntshav poob sai vim yog cov hlab ntshav txhaws hauv lub nkoj ntawd.
Khaws qhov no saib, koj yuav qhia tau li cas yog tias koj muaj cov pos tom qab?
ECG pom: ECG hauv posterior STEMI yog thawj tus yam ntxwv ST-kev nyuaj siab nyob rau hauv ua ntej. Kev nyuaj siab ST feem ntau sib sib zog nqus (> 2 hli) thiab tiaj tus (kab rov tav). Yuav muaj R-wave loj hauv V2-3, txawm tias loj dua S-wave. Ib txwm R-nthwv dej nce ntxiv nyob rau hauv qhov siab thoob plaws precordial leads.
Ib tug kuj yuav nug, dab tsi yog qhov posterior ECG? Tom qab ECG ua (V7-V9) tau thov los ntawm kev txav V4-V6 mus rau hauv qab sab laug scapula. Lub Hom Phiaj: Txheeb xyuas tom qab infarcts, uas feem ntau cuam tshuam nrog qis dua lossis ib sab phab ntsa AMI.
Tom qab ntawd, lo lus nug yog, thaum twg koj yuav tsum ua ECG tom qab?
Raws li cov tom qab myocardium tsis pom ncaj qha los ntawm tus qauv 12-lead ECG , kev hloov pauv ntawm STEMI yog nrhiav hauv anteroseptal leads V1-3. Tom qab MI tau qhia los ntawm cov kev hloov hauv qab no hauv V1-3: Kab rov tav ST kev nyuaj siab. Siab, dav R nthwv dej (> 30ms)
Kuv zoo li cas ntawm ECG?
Cov no yog lub septal thiab anterior ECG ua. Cov MI yog tom qab (rov qab rau cov no ua rau lub cev tsis muaj zog), yog li muaj ST kev nyuaj siab tsis txhob nce siab. Tig lub ECG upside down, thiab nws yuav zoo li ib STEMI. Qhov piv ntawm R nthwv dej rau S nthwv dej hauv kev coj V1 lossis V2 yog ntau dua 1.
Pom zoo:
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