Ventricle is connected to which waveform?

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Multiple Choice

Ventricle is connected to which waveform?

Explanation:
On an ECG, the ventricle’s electrical activation is shown by the QRS complex. The heart’s atria depolarize first, which appears as the P wave, but the ventricles respond with a rapid, large deflection—the QRS complex—when the impulse spreads through the ventricular muscle via the His-Purkinje system. After activation, the ventricles repolarize, producing the T wave. The PR interval, meanwhile, measures the time from the start of atrial depolarization to the start of ventricular depolarization, reflecting AV nodal conduction. So the ventricle is tied to the QRS complex because that waveform represents ventricular depolarization.

On an ECG, the ventricle’s electrical activation is shown by the QRS complex. The heart’s atria depolarize first, which appears as the P wave, but the ventricles respond with a rapid, large deflection—the QRS complex—when the impulse spreads through the ventricular muscle via the His-Purkinje system. After activation, the ventricles repolarize, producing the T wave. The PR interval, meanwhile, measures the time from the start of atrial depolarization to the start of ventricular depolarization, reflecting AV nodal conduction. So the ventricle is tied to the QRS complex because that waveform represents ventricular depolarization.

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