Examlex
Although it can be used as a method of self-defense, which of the following is practiced by many to combine gentle exercise, meditation, and deep breathing?
QRS Complex
A series of waves on an electrocardiogram (ECG) representing the electrical impulses that trigger ventricular contraction during the heart's cycle.
S-T Segment
The portion of the electrocardiogram (ECG) tracing between the end of the S wave and the start of the T wave, representing the interval between ventricular depolarization and repolarization when the ventricles are electrically neutral.
Q-T Interval
A measure of the time between the start of the Q wave and the end of the T wave in the heart's electrical cycle, representing the period from the start of ventricular depolarization to the end of ventricular repolarization.
ECG
Electrocardiography, a medical test that records the electrical activity of the heart to check for different heart conditions.
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