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What does the P wave represent?
ANSWERS: atrial contraction
Define: Repolarization
ANSWERS: when the heart recovers
electronically
Define: Depolarization
ANSWERS: contraction of cardiac cells
What does the QRS wave represent?
ANSWERS: ventricular contraction
, What does the T wave represent?
ANSWERS: ventricular relaxation
Which wave only occurs occasionally in
some patients?
ANSWERS: the U wave
What does the vertical line on the EKG
represent?
ANSWERS: voltage
What does the horizontal line on the EKG
represent?
ANSWERS: time
What is a baseline?
ANSWERS: the flat line that separates the
various waves