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