What is the role of electrophysiologic testing in the workup of pediatric atrial flutter?

Updated: Feb 04, 2019
  • Author: M Silvana Horenstein, MD; Chief Editor: Syamasundar Rao Patnana, MD  more...
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Three-dimensional electroanatomical physiologic mapping of atrial arrhythmias is helpful, especially in patients who have undergone atriotomies because of the presence of multiple, extended, and/or complex reentry circuits.

The reentrant arrhythmia circuit confined to the atrial chambers may be macroscopic and mappable using standard electrophysiologic catheters or it may be microscopic and mappable only in the research laboratory using fine electrode arrays.

Postcatheterization precautions include hemorrhage, vascular disruption (if the patient underwent concomitant balloon dilation of a stenosed vessel), pain, nausea and vomiting, and arterial or venous obstruction from thrombosis or spasm. Complications may also include tachyarrhythmias or bradyarrhythmias.

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