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Cardiac Device Undersensing
Undersensing manifests as failure to sense appropriate cardiac depolarizations that cannot be resolved with reprogramming. (NCI Thesaurus/ACC)
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The pacing and/or sensing problem associated with high impedance due to a poor connection between a lead and generator caused by a…
This manifests as sensing of non-cardiac depolarization signals that did not meet arrhythmia detection criteria and do not elicit programmed tachyarrhythmia…
This manifests as sensing of non-cardiac depolarization signals that met arrhythmia detection criteria and elicited programmed tachyarrhythmia therapy.
Oversensing manifests as sensing of electrical signals not related to cardiac depolarization of the lead chamber that cannot be resolved acceptably by…
A cardiac lead requires revision, at which time the generator to the device will be replaced.
Conductor failure manifests by high lead impedance either absolutely (above manufacturer's product specifications) or by a significant increase from previously stable chronic…
