In QRS complex:
- It represents left ventricular depolarization. physiological Q wave is more than .02 see in duration
- it is less than 25% of R wave magnitude
- The R wave is major negative deflection
- The R wave is major positive deflection
Explanation
The QRS complex represents ventricular depolarization, including the left and right ventricles.
However, it predominantly reflects the depolarization of the larger left ventricle.
Additional information:
The physiological Q wave is more than 0.02 seconds in duration: Incorrect. A physiological Q wave is typically less than 0.04 seconds in duration.
It is less than 25% of R wave magnitude: Incorrect. Normally, the Q wave is often much smaller than the R wave in magnitude.
The R wave is a major negative deflection: Incorrect. The R wave is a major positive deflection in the QRS complex.
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