Examlex
What is XML,and why is it useful?
P Wave
The first wave in an ECG, representing the depolarization of the atria before the heart beats.
QRS Complex
Principal deflection in the electrocardiogram, representing ventricular depolarization.
T Wave
Deflection in an electrocardiogram following the QRS complex, representing ventricular repolarization.
Repolarization
The process of restoring the resting negative charge inside a neuron or muscle cell after depolarization.
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