P wave
T wave
QRS Complex
ventricular repolarization
ventricular depolarization
atrial depolarization
wave
negative deflection
positive deflection
complex
Isoelectric line
interval
deflection away from the baseline
wave plus a segment
baseline or flat portion
several waves that are measured together
downward deflection
upward deflection
Purkinje Fibers
Bundle of His
SA node
AV Node
Bundle Branches
20-40 bpm
40-60 bpm (named after a MD)
60-100 bpm
40-60 bpm (step after SA node)
40- 60 bpm (has two routes)
QRS Interval
ST segment
PR Interval
R-R interval
QT interval
should stay at baseline
0.12- 0.20 second
less than 0.12 second
0.36 to 0.44 second
should be regular
