HOAG ECG FINAL PAPER COMPLETE QUESTIONS AND CORRECT ANSWERS STUDY GUIDE

HOAG ECG FINAL PAPER COMPLETE
QUESTIONS AND CORRECT ANSWERS
STUDY GUIDE

◉ If the AV node is damaged or impaired, the purkinje fibers will initiate an electrical impulse at a rate
of .... Answer. 20-40 bpm



◉ Normal QRS interval. Answer. 0.04 - 0.12 seconds



◉ Normal PR interval (measured from beginning of P wave to beginning of QRS complex). Answer. 0.12-
0.20 seconds



◉ Normal QT interval (measured from beginning of QRS complex to end of T wave). Answer. 0.33-0.44
seconds (but adjusted for heart rate)



◉ One small box on a 6 second strip is equal to. Answer. 0.04 seconds



◉ One large box on a 6 second strip is equal to. Answer. 0.20 seconds



◉ Six second tracing. Answer. 30 five mm boxes



◉ If the SA node is damaged or impaired, the AV node will initiate an electrical impulse at a rate
of.... Answer. 40-60 bpm