cardiac mapping

mapping

 [map´ing]

the creation on a flat surface of a representation of an area, showing the relative position of various features.

cardiac mapping an electrophysiological procedure in which electric potentials recorded by electrodes placed directly on the heart are processed to give a two-dimensional display of the origin and path of an electrical impulse as it depolarizes the heart.

genetic mapping determination of the location of genes on chromosomes.

intraoperative lymphatic mapping sentinel node biopsy.

Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.

car·di·ac map·ping

a method by which local cardiac potentials are spatially depicted in an integrated manner as a function of time (isochrone map) or potential (isopotential map).

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