Cardiac Electrophysiology Study

A cardiac procedure performed under fluoroscopy to determine the area of the heart that is the source of aberrant electrical impulses that give rise to arrhythmias. Aberrant pathways can be terminated by ablation. (NCI Thesaurus)

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Cardiac Diagnostic Procedure

Procedure to evaluate the structure and/or function of the heart.

Cardiac Device Undersensing

Undersensing manifests as failure to sense appropriate cardiac depolarizations that cannot be resolved with reprogramming.

Cardiac Device Set Screw Problem

The pacing and/or sensing problem associated with high impedance due to a poor connection between a lead and generator caused by a…

Cardiac Device Oversensing without Shock or Anti-Tachycardia Pacing

This manifests as sensing of non-cardiac depolarization signals that did not meet arrhythmia detection criteria and do not elicit programmed tachyarrhythmia…

Cardiac Device Oversensing with Shock or Anti-Tachycardia Pacing

This manifests as sensing of non-cardiac depolarization signals that met arrhythmia detection criteria and elicited programmed tachyarrhythmia therapy.

Cardiac Device Oversensing

Oversensing manifests as sensing of electrical signals not related to cardiac depolarization of the lead chamber that cannot be resolved acceptably by…