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EKG STUDY MATERIAL FOR ADVENT HEALTH questions and answers rated A+ 2024/2025
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EKG STUDY MATERIAL FOR ADVENT HEALTH questions and answers rated A+ 2024/2025
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EKG STUDY MATERIAL FORADVENTHEALTH
Three pacemakers of the coronary heart - ANS1. SA node
2. AV node
three. Package deal department
intrinsic rate of SA node - ANS60-100 bpm
intrinsic rate of AV node - ANS40-60 bpm
intrinsic fee of bundle branches - ANS20-40 bpm
electric pathway thru the coronary heart - ANS1. Regular conduction impulse originates in the
*SA Node*
2. Impulse travels to *AV Node* inflicting atrial depolarization (contraction)
three. AV Node slightly delays impulse then sends impulse to *Bundle of HIS*
four. Then travels to *Bundle Branches*
5. Impulse maintains all the way down to the *Purkinje Fibers* causing ventricular depolarization
(contraction)
P wave - ANSatrial depolarization (contraction)
PR c program languageperiod - ANSdelay of AV node to permit filling of ventricles
QRS complicated - ANSventricular depolarization (contraction)
ST c program languageperiod - ANSventricular repolarization (resting phase)
QT c programming language - ANSventricular depolarization and repolarization
inversely related to the heart fee
commonly less than 1/2 of the period of the R-R c programming language
, T wave - ANSventricular repolarization (resting segment)
isoelectric line - ANSThe baseline of the ECG / absence of electrical hobby
wonderful deflection - ANSa wave that exists above the isoelectric line
poor deflection - ANSa wave that exists under the isoelectric line
absolute refractory length - ANScardiac cells will now not reply to further stimulation
myocardial cells will not settlement
electrical cells will no longer behavior
relative refractory period - ANSvulnerable period
cardiac cells can be stimulated to settlement
notched P wave - ANS
peaked P wave - ANS
inverted P wave - ANS
depressed ST section - ANSindicates myocardial ischemia
elevated ST segment - ANSacute myocardial infarction
tall T wave - ANShyperkalemia
inverted T wave - ANSmyocardial ischemia
hyperacute T wave - ANSSometimes the earliest presentation of MI
1 small field on EKG = - ANS0.04 seconds
1 large field on EKG = - ANS0.20 seconds
five big boxes on EKG = - ANS1 2nd
30 massive containers on EKG = - ANS6 seconds
regular PRI dimension - ANSfrom the start of the P wave to the start of the primary deflection of
the QRS complicated
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