The nurse is reviewing the EKG strip of a patient with wide QRS complexes. The nurse understands that the QRS complex represents:


• Ventricular depolarization is represented by the QRS complex

• Ventricular repolarization is represented by the T wave

• Incorrect: Atrial repolarization is hidden within the QRS complex and cannot be distinguished

• Incorrect: Purkinje fiber depolarization is not represented on the EKG

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