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