Kev piav qhia: CMRR ntawm qhov kev txiav txim ntawm 100-120 dB nrog 5 kW tsis sib npaug hauv cov coj yog qhov tsim nyog ntawm ECG tshuab.
Kev ntsuas dab tsi yog ua vertically ntawm electrocardiogram?
Ntawm axis ntsug, txhua tus lub thawv me me yog 1 hli hauv qhov siab; 10 mm=1 mV. Lub plawv dhia cuam tshuam nrog txhua lub thawv loj hauv qab no yog 300, 150, 100, 75, 60, 50, 43, 37, 33 neeg ntaus ib feeb (bpm).
Daim ntawv ceev ceev rau kev ua haujlwm niaj hnub yog dab tsi?
3.7 Daim ntawv nrawm ntawm 3 cm / s, lossis cov duab digital ntawm 10 vib nas this / nplooj, yuav tsum tau siv rau cov ntaub ntawv niaj hnub. Daim ntawv ceev ntawm 1.5 cm / s, lossis 20 vib nas this / nplooj, qee zaum siv rau kev kaw EEG hauv cov menyuam mos los yog lwm yam xwm txheej tshwj xeeb.
Qhov twg yog qhov tseem ceeb tshaj plaws ntawm lub cev tsis zoo saib xyuas hauv chav saib xyuas mob hnyav?
Cov kev ntsuas lub cev tam sim no tso tawm ntawm ICU saib suav nrog ntshav siab, tau los ntawm cov hlab ntsha hauv hlab ntsha thiab sab nraud lub siab; oxygen saturation ntawm cov ntshav, tau los ntawm pulse oximeter; lub plawv dhia; thiab tus nqi ua pa, tau los ntawm cov transducers sab nraud thiab electrocardiogram waveform.
Ntau zaus ntawm ECG Mcq yog dab tsi?
Cov txheej txheem Biomedical Instrumentation Ntau Cov Lus Nug & Lus Teb (MCQs) tsom rau "Electrocardiography". Kev piav qhia: Feem ntau qhov kev kuaj mob muaj txiaj ntsig zoo yog qhov ntautxais raws li 0.05 txog 150 Hz.
