ST kev nyuaj siab yog hais txog nrhiav pom ntawm ib qho electrocardiogram, nyob rau hauv cov kab hauv ST ntu yog qhov txawv txav qis hauv qab lub hauv paus.
Vim li cas ST ntu kev nyuaj siab tshwm sim?
ST ntu kev nyuaj siab tshwm sim vim thaum lub ventricle nyob ntawm so thiab yog li repolarized, lub depolarized ischemic subendocardium tsim hluav taws xob tam sim no uas tau kaw los ntawm cov hluav taws xob overlying.
Puas yog ST kev nyuaj siab hnyav?
ST kev nyuaj siab hauv ECG ntawm kev nkag qhia mob hnyav heev thiab cov txiaj ntsig loj ntawm kev kho mob thaum ntxov hauv cov kab mob plawv tsis ruaj khov.
Yuav ua li cas thiaj tsim nyog ua ST kev nyuaj siab?
Kev nyuaj siab ST tseem ceeb tau txhais nyob rau hauv 2 txoj hauv kev: (1) lub ntsiab lus txhais: kev nyuaj siab ntawm the ST ntu theem >0.1 mV piv nrog rau theem pib ST tsawg kawg yog 1 feeb, sib cais los ntawm lwm ntu los ntawm tsawg kawg yog 1 feeb.
ST ntu sawv cev dab tsi?
ntu ST yog ib feem ntawm ECG lub voj voog ntawm qhov kawg ntawm QRS complex mus rau qhov pib ntawm T yoj (Daim duab 2-10). Nws sawv cev pib ntawm ventricular repolarization.
