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PROPHECY EKG EXAMPREP STUDY GUIDE ACTUAL QUESTIONS AND CORRECT SOLUTIONS COMPLETE

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PROPHECY EKG EXAMPREP STUDY GUIDE ACTUAL QUESTIONS AND CORRECT SOLUTIONS COMPLETE

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PROPHECY EKG EXAMPREP STUDY
GUIDE ACTUAL QUESTIONS AND
CORRECT SOLUTIONS COMPLETE



◉where to put limb leads on 12 lead EKG . Answer: on wrists and
ankles


◉best lead for atrial rhythms . Answer: lead II


◉best lead for ventricular rhythms . Answer: V1


◉SA node intrinsic rate . Answer: 60-100


◉AV node intrinsic rate . Answer: 40-60


◉atrial depolarization . Answer: P wave


◉PR interval . Answer: measured BEFORE P WAVE and AT THE Q


norm: 0.12-.20s

, ***its too long if it is longer than 5 little boxes or one big box


◉normal PR Interval . Answer: 0.12-0.20 seconds


◉ventricular depolarization . Answer: QRS complex


◉ventricular repolarization . Answer: T wave


◉absolute refractory period . Answer: The minimum length of time after
an action potential during which another action potential cannot begin


-toilet theory
-problem when QT interval increases


◉5 large boxes . Answer: 1 second


◉15 large boxes . Answer: 3 seconds


◉30 large boxes . Answer: 6 seconds


◉normal P wave . Answer: less than 0.12

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