The QRS complex in a standard ECG represents : a) Depolarisation of ventricles

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asked Nov 22, 2021 in 2020 by Doubtly (98.9k points)
edited Jun 29, 2023

The QRS complex in a standard ECG represents :

a) Depolarisation of ventricles

b) Repolarisation of ventricles

c) Repolarisation of auricles

d) Depolarisation of auricles

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1 Answer

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answered Nov 22, 2021 by Doubtly (98.9k points)
selected Jun 29, 2023 by Doubtly

Best answer

a) Depolarisation of ventricles

Explaination::

The QRS complex represents the depolarisation of the ventricles, which initiates the ventricular contraction. The contraction starts shortly after Q and marks the beginning of the systole.

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