The nurse is reviewing a patient's electrocardiogram.Which wave should the nurse identify as being the second positive wave in a normal cardiac cycle?

Name: The nurse is reviewing a patient's electrocardiogram.Which wave should the nurse identify as being the second positive wave in a normal cardiac cycle?
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Question

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R waves are the second positive wave in a normal cardiac cycle.A.The Q wave is the first negative wave.C.D.These waves are not the second positive wave in the cardiac cycle.

The Nurse Is Reviewing a Patient's Electrocardiogram