Repolarisation of the ventricles is represent | vedclass

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(C) $P$-wave: Represents the electrical excitation (or depolarisation) of the atria,which leads to the contraction of both the atria.$QRS$-complex: Re

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$T$-wave

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(C) $P$-wave: Represents the electrical excitation (or depolarisation) of the atria,which leads to the contraction of both the atria.$QRS$-complex: Represents the depolarisation of the ventricles,which initiates the ventricular contraction. The contraction starts shortly after $Q$ and marks the beginning of the systole.$T$-wave: Represents the return of the ventricles from the excited to the normal state (repolarisation). The end of the $T$-wave marks the end of the systole.

Column $-I$	Column $-II$
$(a) \; P-$wave	$(i) \; \text{Depolarisation of ventricles}$
$(b) \; QRS$ complex	$(ii) \; \text{Repolarisation of ventricles}$
$(c) \; T-$wave	$(iii) \; \text{Coronary ischemia}$
$(d) \; \text{Reduction in the size of } T-$wave	$(iv) \; \text{Depolarisation of atria}$
	$(v) \; \text{Repolarisation of atria}$

Repolarisation of the ventricles is represented by

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