In a standard ECG, QRS complex represents:

Depolarisation of ventricles

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Repolarisation of ventricles

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End of ventricular systole

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Depolarisation of auricles

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Solution

The correct option is A Depolarisation of ventricles

End of T wave marks the end of ventricular systole.

P wave represents depolarization of auricles.

T wave represents repolarisation of ventricles.

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