Video: Kab rov tav ntawm daim ntawv ECG sawv cev dab tsi?
2024 Tus sau: Michael Samuels | [email protected]. Kawg hloov kho: 2023-12-16 01:44
Cov kab rov tav ntawm EKG ntawv teev sijhawm, nrog cov cim dub nyob rau sab saum toj qhia txog 3 ntu thib ob. Cov ntsug ntsug cov ntaub ntawv EKG amplitude (qhov hluav taws xob). Ob qhov loj sib npaug 1 millivolt (mV). Txhua qhov thaiv me me sib npaug 0.1 mV.
Los ntawm qhov ntawd, kab rov tav ntawm ECG sawv cev dab tsi?
Hauv lwm lo lus peb tau xav txog ECG raws li kab duab, ua cov phiaj xwm hluav taws xob ntawm ntsug ntsug tawm tsam lub sijhawm kab rov tav . Qhov no txhais tau tias thaum saib cov ntawv luam tawm ECG nrug deb ntawm 25 hli nrog rau kab rov tav sawv cev 1 thib ob hauv lub sijhawm. ECG ntawv yog cim nrog kab sib chaws ntawm cov xwm txheej me thiab loj.
Qhov thib ob, ntsuas dab tsi txhua qhov xwm txheej raws txoj kab rov tav ntawm daim ntawv ECG sawv cev? ECG ntawv yog ib daim phiaj qhov twg lub sijhawm yog ntsuas raws kab rov tav . Txhua tus me me yog square 1 hli nyob rau hauv ntev thiab sawv cev 0.04 vib nas this. Txhua tus loj dua yog square 5 hli nyob rau hauv ntev thiab sawv cev 0.2 vib nas this.
Los ntawm qhov ntawd, kab kab rov tav ntawm ECG daim ntawv ntsuas yog dab tsi?
Kev saib xyuas lub plawv lossis ECG teeb duab ntawv yog tus qauv nyob rau hauv daim ntawv ntawm daim phiaj. Cov kab rov tav thiab ntsug kab yog qhov tseeb. Cov kab kab rov tav taug kev nce thiab nqis raws txoj kab ntsug sawv cev rau qhov ntsuas hluav taws xob (qhov dav) raws li ntsuas hauv millivolts (mV)
P QRS thiab T wave sawv cev dab tsi?
Cov QRS nyuaj sawv cev cov hluav taws xob tsis zoo raws li nws kis tau los ntawm lub qhov ncauj thiab qhia txog ventricular depolarization. Raws li nrog P yoj , cov QRS complex pib tsuas yog ua ntej ventricular contraction. Nws yog ib qho tseem ceeb kom paub tias tsis yog txhua txhua QRS complex yuav muaj Q, R, thiab S. nthwv dej.
Pom zoo:
Cov lus cim dab tsi uas tshwm ntawm daim ntawv ntim cov tshuaj thiab daim ntawv txheeb xyuas kev nyab xeeb yog dab tsi?
Tsuas muaj ob lo lus siv los ua cov lus teeb liab, "Danger" thiab "Warning." Hauv cov chav muaj kev phom sij tshwj xeeb, "Kev phom sij" yog siv rau qhov phom sij loj dua thiab "Ceeb Toom" yog siv rau qhov phom sij tsis zoo. Yuav tsuas muaj ib lo lus teeb liab ntawm daim ntawv lo txawm tias muaj pes tsawg tus tshuaj lom neeg yuav muaj
Cov plaub fab sawv cev dab tsi ntawm daim ntawv ECG?
ECG daim ntawv yog daim phiaj uas lub sij hawm ntsuas raws li kab rov tav axis. Txhua qhov me me square yog 1 hli ntev thiab sawv cev rau 0.04 vib nas this. Txhua lub xwmfab loj yog 5 hli ntev thiab sawv cev 0.2 vib nas this
Dab tsi yog qhov txawv ntawm daim tawv nqaij thiab daim tawv nqaij daim ntawv xeem?
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