On a Normal ECG, a Wave for Repolarization of the Atria

question 207

Multiple Choice

On a normal ECG, a wave for repolarization of the atria is not recorded.Why

• A)The leads are not placed in a position to pick it up.
• B)No repolarization of the atria occurs normally.
• C)It occurs simultaneously with ventricular depolarization and is masked by the QRS complex.
• D)It does not travel through body fluids.

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Definitions:

Box Plot

A graphical representation of data that displays the distribution's five-number summary: minimum, first quartile, median, third quartile, and maximum.

Median

The value separating the higher half from the lower half of a data sample, a population, or a probability distribution.

Percentiles

Measures that divide a data set into 100 equal parts, indicating the percentage of data below a certain value.

Quintiles

A statistical measure that divides a population or dataset into five equal groups or parts, according to a particular variable.