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⟩ Tell me how ECG (Electro Cardio Gram) nodes are represented?

ECG machine will show five waves PQRST

• P Wave: It represents the normal atrial depolarization ( contraction of atria)

• QRS Wave: It represents the depolarization of the right and left ventricles (Contraction of ventricles

• T Wave: It represents the re-polarization of the ventricles (Relaxation of ventricles)

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