The U Wave, Which Follows the T Wave in an ECG

question 37

Multiple Choice

The U wave, which follows the T wave in an ECG tracing, represents:

• A)repolarization of the ventricles.
• B)the time required for ventricular depolarization and repolarization.
• C)the end of ventricular depolarization and the beginning of ventricular repolarization.
• D)repolarization of the Purkinje fibers and the bundle of His.

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