Relier Pairs Ch. 8 Cardiac Conduction Version en ligne Cardiac Electrical System par Linu John 1 P wave 2 QRS Complex 3 T wave atrial depolarization ventricular repolarization ventricular depolarization 1 Isoelectric line 2 negative deflection 3 interval 4 wave 5 complex 6 positive deflection upward deflection downward deflection wave plus a segment several waves that are measured together deflection away from the baseline baseline or flat portion 1 Bundle of His 2 AV Node 3 Bundle Branches 4 SA node 5 Purkinje Fibers 40-60 bpm (named after a MD) 20-40 bpm 40- 60 bpm (has two routes) 60-100 bpm 40-60 bpm (step after SA node) 1 R-R interval 2 QT interval 3 PR Interval 4 ST segment 5 QRS Interval should be regular 0.12- 0.20 second should stay at baseline 0.36 to 0.44 second less than 0.12 second
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