Exam-style question
Try this first
What does the QRS complex represent in an ECG?.
- A.Atrial depolarization
- B.Ventricular depolarization
- C.Atrial repolarization
- D.Ventricular repolarization
Model answer
What a good answer should say
- Ventricular depolarization
Explanation
Why this works
The QRS complex represents the rapid depolarization of the ventricles, which leads to ventricular contraction.
Common mistake
No common mistake is linked to this question yet.