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Question

Distinguish between P-wave and T-wave.

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Solution

P-wave T-wave
1In an electrocardiogram (ECG), the P-wave indicates the activation of the SA node. In an electrocardiogram (ECG), the T-wave represents ventricular relaxation.
2 During this phase, the impulse of contraction is generated by the SA node, causing atrial depolarization. During this phase, the ventricles relax and return to their normal state.
3 It is of atrial origin.
It is of ventricular origin.

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