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Repolarisation of the ventricles is represented by

Question

Repolarisation of the ventricles is represented by

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Solution

The repolarisation of the ventricles is represented by the T wave on an electrocardiogram (ECG).

Here are the steps that lead to this:

  1. The heart's electrical activity is represented on an ECG as a series of waves: the P wave, the QRS complex, and the T wave.

  2. The P wave represents the depolarization of the atria, which is when the atria contract to pump blood into the ventricles.

  3. The QRS complex represents the depolarization of the ventricles, which is when the ventricles contract to pump blood out of the heart.

  4. The T wave represents the repolarization of the ventricles. Repolarization is the process by which the cardiac muscle cells recover from the depolarization phase and return to their resting state. This is necessary for the heart cells to be able to depolarize again for the next heartbeat.

So, in summary, the T wave on an ECG represents the repolarization of the ventricles.

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L'électrocardiogramme normal se caractérise parAUn complexe qrs précédé d'une onde pBUne one p liée à la repolarisation des oreillettesCUne one t liée à la dépolarisation des ventriculesDUn espace qt dépendant de la variation de la fréquence cardiaqueEAucune proposition n'est vraie

The ECG waveform that represents ventricular depolarization is the __________________.

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