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