p-wave is a wave of depolarization that spreads from the SA node throughout the atria, and is usually 0.08 to 0.2 seconds (80-200 ms) in duration. The brief isoelectric (zero voltage) period after the P wave represents the time in which the impulse is traveling within the AV node and the bundle of His.
P wave corresponds to atrial depolarization in an ECG.
The P wave represents atrial depolarization, the QRS complex represents ventricular depolarization, and the T wave represents ventricular repolarization in an electrocardiogram (ECG).
The next wave after the T wave in an ECG is the P wave, which represents atrial depolarization.
P waves represent the atrial depolarization. QRS complex represent the ventricular depolarization. T waves represent the ventricular repolarization.
P, Q, R, S and T each represent a wave of the electrocardiogram (ECG). The waves, and the ECG in general, confer a graphic representation of the hearth's electric activity. The ECG of a healthy person usually contains three waves, called the P wave, the QRS complex and the T wave. The P wave corresponds to the electric depolarization of the auricles, the QRS complex corresponds to the electric depolarization of the ventricles and the repolarization of the auricles, and the T wave corresponds to the electric repolarization of the ventricles. A complete period of an ECG (that is, the P, QRS, and T waves) represents the electrical activity of the heart for one pulse.
the P wave
t wave
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The P wave represents the electrical activity of the atria contracting, while the T wave represents the electrical activity of the ventricles relaxing in an ECG.
P wave
The T wave in an ECG represents the repolarization of the ventricles in the heart, indicating the recovery phase before the next heartbeat.
The T wave on an ECG represents the repolarization of the ventricles in the heart, indicating the recovery phase before the next heartbeat.