The T-wave in an ECG represents | vedclass

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(D) The correct answer is $D$.In an $ECG$,the $P$-wave represents the electrical excitation (or depolarisation) of the atria.The $QRS$ complex represe

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return of the ventricles from excited state

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(D) The correct answer is $D$.In an $ECG$,the $P$-wave represents the electrical excitation (or depolarisation) of the atria.The $QRS$ complex represents the depolarisation of the ventricles,which initiates the ventricular contraction (systole).The $T$-wave represents the return of the ventricles from an excited state to a normal state,which is known as ventricular repolarisation.

The $T$-wave in an $ECG$ represents

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