Write the differences between :
P-wave and T-wave

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Solution

P wave T wave
Represents atrial depolarization or atrial systole Represents ventricular repolarization or ventricular relaxation
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.
The time duration between P to Q is the atrial depolarization time which is 0.1 sec The wave T indicates initiation of complete/joint diastole of both the auricle and ventricle and the time of joint diastole is 0.4 sec.

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P wave	T wave
Represents atrial depolarization or atrial systole	Represents ventricular repolarization or ventricular relaxation
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.
The time duration between P to Q is the atrial depolarization time which is 0.1 sec	The wave T indicates initiation of complete/joint diastole of both the auricle and ventricle and the time of joint diastole is 0.4 sec.