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EKG Certification Exam Questions and Answers Already Passed
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What does the P wave represent? atrial contraction Define: Repolarization when the heart recovers electronically Define: Depolarization contraction of cardiac cells What does the QRS wave represent? ventricular contraction What does the T wave represent? ventricular relaxation Which wave only occurs occasionally in some patients? the U wave What does the vertical line on the EKG represent? voltage What does the horizontal line on the EKG represent? time
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