deflection (de-flek´shun)

1. A moving to one side. 2. In the electrocardiogram, a deviation of the curve from the isoelectric base line; any wave or complex of the electrocardiogram. [L. de-flecto, pp. -flexus, to bend aside]
intrinsic d. with the electrode in direct contact with the muscle fiber, a rapid downward d. from the peak of maximum positivity, signifying that the activation front has reached the subjacent muscle.
intrinsicoid d. the abrupt downstroke from maximum positivity when the electrode is placed not directly on the muscle but at a distance, as in the unipolar chest leads in clinical electrocardiography.


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