Examlex
Attraction between the Na+ cation and Cl- anion holds the solid lattice of sodium chloride together.
Standardization
Process of bringing into conformity with a standard; pertaining to ECG, a mark made at the beginning of each lead to establish a standard of reference.
Segment
The portion of ECG between two waves.
Interval
Time between events; space. On an ECG, the period that includes one segment and one or more waves, that is, P-R interval.
P-R Interval
A measurement in electrocardiography that represents the time between the onset of atrial depolarization and the onset of ventricular depolarization.
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