The diagram given here is the standard $ECG$ of a normal person. The $P$-wave represents the:

  • A
    Initiation of the ventricular contraction
  • B
    Beginning of the systole of all chambers
  • C
    End of systole of all chambers
  • D
    Contraction of both the atria

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Similar Questions

Which one of the following statements is correct regarding blood pressure?

Draw a standard $ECG$ and explain the different segments in it.

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Systolic pressure is higher than diastolic pressure because

What is represented by the $P$-wave in an $ECG$?

$ECG$ is a graphical representation of the electrical activity of the heart during

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