Examlex
An athlete may use up to 80 percent of the total daily energy expenditure to maintain regular body functions.
ECG
Electrocardiogram, a diagnostic tool that records the electrical activity of the heart, used to detect heart conditions by measuring the timing and duration of each electric phase in the heartbeat.
QRS Complex
A series of deflections in an electrocardiogram (ECG) representing ventricular depolarization before the main pumping action of the heart.
Atrial Repolarization
The process where atrial muscle cells return to their resting state during the cardiac cycle.
Cardiac Cycle
Refers to the complete heart beat from its generation to the beginning of the next beat, encompassing the contraction and relaxation phases of the heart.
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