The given diagram represents a normal ECG rec | vedclass

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Question

(B) The $P$-wave represents the electrical excitation (or depolarization) of the atria,which leads to the contraction of both the atria.The $QRS$ comp

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$P$ wave - Atrial depolarization,$QRS$ wave - Ventricular depolarization,$T$ wave - Ventricular repolarization

Vedclass · Answer

(B) The $P$-wave represents the electrical excitation (or depolarization) of the atria,which leads to the contraction of both the atria.The $QRS$ complex represents the depolarization of the ventricles,which initiates the ventricular contraction. The contraction starts shortly after $Q$ and marks the beginning of the systole.The $T$-wave represents the return of the ventricles from an excited to a normal state (repolarization). The end of the $T$-wave marks the end of systole.Therefore,the correct match is: $P$ wave - Atrial depolarization,$QRS$ wave - Ventricular depolarization,$T$ wave - Ventricular repolarization.

The given diagram represents a normal $ECG$ record of a human heart. Select the $CORRECT$ match from the options given below:

Similar Questions

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

Given below is the $ECG$ of a normal human. Which one of its components is correctly interpreted below?

In $\text{ECG}$,the $\text{QRS}$ complex represents:

In a standard $ECG$,what does the $QRS$ complex represent?

$ECG$ records:

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