The QRS complex in ECG representsDepolarisation of ventriclesDepolarisation of atriaRepolarisationBoth a and b

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Standard IX

Biology

ECG Curve

The QRS compl...

Question

The QRS complex in ECG represents

Depolarisation of ventricles

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Depolarisation of atria

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Repolarisation

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Both a and b

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Which of the following correctly explains a phase/event in the cardiac cycle in a standard electrocardiogram?
(a) QRS complex indicates atrial contraction.
(b) QRS complex indicates ventricular contraction
(c) Time between S and T represents atrial systole.
(d) P-Wave indicates the beginning of ventricular contraction.

ECG depicts the depolarisation and repolarisation process during the cardiac cycle. In the ECG of a normal healthy individual one of the following waves is not represented.
(a) Depolarisation of atria
(b) Repolarisation of atria
(c) Depolarisation of ventricles
(d) Repolarisation of ventricles

Q. In a standard ECG, QRS complex represents:

Q. The QRS complex in ECG represents

The QRS complex in a standard ECG represents?

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