EKG Interpretation and Nursing Actions Questions and Answers

EKG Interpretation and Nursing
Actions Questions and Answers
Normal sinus - <CORRECT ANSWER >>This is a ___________________________Rhythm
HR:60-100 normal
QRS complex 0.04-.12
PR interval 0.12-0.2
QT interval 0.40-0.44


0.04 - <CORRECT ANSWER >>ekg paper


1 small box


0.2 - <CORRECT ANSWER >>ekg paper


Five small blocks equal


1 second - <CORRECT ANSWER >>ekg paper
Five large boxes equal


6 seconds - <CORRECT ANSWER >>ekg paper


30 large boxes


SA - <CORRECT ANSWER >>P wave is the starting pulse from the ___node? Located in the R
atrium.

, QRS complex - <CORRECT ANSWER >>when the ventricals contract


The heart is resetting - <CORRECT ANSWER >>What is happening during the T wave


P wave - <CORRECT ANSWER >>represents atrial depolarization (contraction) usually followed
by the QRS


0.11 - <CORRECT ANSWER >>normal length of p wave?


QRS complex - <CORRECT ANSWER >>___________ is comprised of 3 waves
It is the ventricle depolarization (contraction)


0.04-0.12 - <CORRECT ANSWER >>normal length of QRS complex?


Pr - <CORRECT ANSWER >>________interval is the time the impulse takes to move through the
atria and the AV node.
It begins at the P wave to the next deflection on the baseline (beginning of QRS)


0.12-0.2 - <CORRECT ANSWER >>normal length of the pr interval?


ST - <CORRECT ANSWER >>__________segment is the early repolarization of the
ventricles.elevation or depression indicates an abnormality.


Lower than baseline= ichemia or injury to the heart muscle.


Higher than baseline=infarct or death of the cardiac muscle and is considered worse