First slide

Circulatory Pathways

Question

The QRS complex in a standard ECG represents :

Easy

A

Depolarisation of auricles
B

Depolarisation of ventricles
C

Repolarisation of ventricles
D

Repolarisation of auricles

Solution

One QRS complex in a standard ECG represents depolarisation of ventricles. By counting the number of QRS complexes we can calculate the heart rate.

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