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Which one of the following is a correct match of a wave of standard ECG and the activity of the heart?

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R wave – Ventricular repolarisation

P wave – Atrial repolarisation

T wave – Its end marks the end of ventricular systole

S wave –Ventricular systole begins after it ends

answer is C.

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Detailed Solution

End of T wave marks the end of ventricular systole. P wave represents atrial depolarisation. QRS complex represents ventricular depolarisation. Ventricular systole begins shortly after Q wave (not S wave).

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