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exam 2- basic dysrhythmias(latest exam 2024)
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exam 2- basic dysrhythmias(latest exam2024)
what do you do if artifacts occur on an ECG? - correct
answers✅check connections in equipment
rhythm starts in the SA node, 60-100 BPM, normal
conduction pathway - correct answers✅normal sinus
rhythm
normal P wave length - correct answers✅.06-.20
the time of passive of impulse through the atria, causing
atrial depolarization (atrial contraction) - correct
answers✅P wave
normal PR interval length - correct answers✅.12-.20
time taken for the impulse the spread through the atria,
AV node, and bundle of HIS, bundle branches, & purkinje
fibers, right up until ventricular contraction.
(atrial contraction -> beginning of ventricular contraction)
- correct answers✅PR interval
normal QRS length - correct answers✅<.12
time taken for depolarization of both ventricles
, exam 2- basic dysrhythmias(latest exam
2024)
(systole- ventricular contraction) - correct
answers✅QRS
normal ST segment length - correct answers✅.12
time between ventricular depolarization and
repolarization; should be isoelectric.
(end of systole -> beginning of diastole) - correct
answers✅ST segment
normal T wave length - correct answers✅.16
ventricular relaxation (diastole) - correct answers✅T
wave
is K or Na higher inside the cell? - correct answers✅K
is K or Na higher outside the cell? - correct answers✅Na
what happens with depolarization of a cell? - correct
answers✅Na influx into cell
normal QT - correct answers✅.34-.43
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