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Electrocardiogram
A diagnostic test that measures the electrical activity of the heart to identify various heart conditions.
Electrical Impulses
Rapid, transient bursts of electric activity transmitted along neurons or muscle fibers, facilitating communication and function.
Cardiac Cycle
is the sequence of events that occurs in the heart from one heartbeat to the next, including contraction (systole) and relaxation (diastole) phases.
AV Node
A part of the heart's electrical system which acts as a gateway between the atria and ventricles, ensuring the timing of heartbeats.
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