Questions
Single choice
The QRS complex signifies
Options
A.atrial depolarization
B.atrial repolarization
C.ventricular depolarization
D.ventricular repolarization
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Step-by-Step Analysis
The question asks what the QRS complex signifies in an ECG.
Option 1: 'atrial depolarization' would correspond to the P wave, not the QRS complex, because atrial activation produces the atrial depolariza......Login to view full explanationLog in for full answers
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