Means

The idea or message that is intended, expressed, or signified.

The average (mean) number of cycles of contraction and subsequent relaxation of the ventricles, usually expressed as beats per minute, obtained from…

The mean value of the electrical current applied to an X-ray tube.

The average (mean) height (usually measured in mm) of the maximum deflection from baseline of the T wave (representing ventricular repolarization), obtained…

The average (mean) duration (time) from the onset of ventricular repolarization to the completion of ventricular repolarization (length of the T wave),…

The mean (average) direction (range -180 degrees to 180 degrees) of the electrical potential generated from ventricular repolarization in a particular plane…