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CGP EDU Academic Team
Published on: August 21, 2026
The diagram given here is the standard ECG of a normal person. The P-wave represents the
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ECG is a graphical representation of the electrical activity of the heart during a cardiac cycle. Each peak in the ECG is identified with a letter from P to T that corresponds to a specific electrical activity of the heart. The P -wave represents the electrical excitation (or depolarization) of the atria, which leads to the contraction of both the atria
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