The diagram given here is the standard ECG of | vedclass

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(D) The $P-$ wave represents the electrical excitation (or depolarisation) of the atria,which leads to the contraction of both the atria.The $QRS$ com

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Contraction of both the atria

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(D) The $P-$ wave represents the electrical excitation (or depolarisation) of the atria,which leads to the contraction of both the atria.The $QRS$ complex represents the depolarisation of the ventricles,which initiates the ventricular contraction.The contraction of the ventricles starts shortly after $Q$ and marks the beginning of the ventricular systole.

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

Similar Questions

Systolic blood pressure is higher than diastolic blood pressure because:

$X-$ In $ECG,$ $P-$ wave represents the electrical excitation of the ventricle.
$Y -$ $QRS$ waves represent depolarization of atria.

What is the value of diastolic blood pressure in a healthy adult?

The $T$-wave in a normal $ECG$ represents . . . . . . .

$ECG$ records:

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