Which ECG component follows the QRS complex on a typical tracing?

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Multiple Choice

Which ECG component follows the QRS complex on a typical tracing?

Explanation:
The sequence of an ECG waveforms goes: P wave (atrial depolarization) before the QRS, then QRS (ventricular depolarization), and after that comes the T wave, which represents ventricular repolarization. In a typical tracing, the ventricles finish depolarizing and begin to recover, producing the T wave. The U wave, when present, appears after the T wave and is not seen in every lead or tracing. So the component that follows the QRS complex most commonly is the T wave.

The sequence of an ECG waveforms goes: P wave (atrial depolarization) before the QRS, then QRS (ventricular depolarization), and after that comes the T wave, which represents ventricular repolarization. In a typical tracing, the ventricles finish depolarizing and begin to recover, producing the T wave. The U wave, when present, appears after the T wave and is not seen in every lead or tracing. So the component that follows the QRS complex most commonly is the T wave.

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