Key result
Unipolar atrial pace mapping demonstrated a spatial resolution of approximately 17 mm, indicating that techniques relying on P-wave morphology discrimination are likely imprecise in the atria.
Why the study?
What is the spatial resolution of unipolar atrial pace mapping in the coronary sinus and right atrium?
Population
39 pacing sites/cases (coronary sinus n=29, right atrium n=10)
Comparison
Unipolar pacing from proximal electrodes of a… vs Unipolar pacing from the distal electrode
Authors
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Limits reliability of P-wave morphology for precise atrial localization; leaves open refinement of mapping techniques in electrophysiology.
Observational (n=39)
What is the spatial resolution of unipolar atrial pace mapping in the coronary sinus and right atrium?
Unipolar atrial pace mapping has a spatial resolution of approximately 17 mm, indicating that mapping techniques relying on P-wave morphology discrimination may be imprecise in the atria.
Man et al. (1996) conducted an observational in Atrial tachycardia mapping (n=39). Unipolar atrial pacing at adjacent sites vs. Pacing from the distal electrode was evaluated on Changes in P-wave amplitude, duration, and configuration. Unipolar atrial pace mapping demonstrated a spatial resolution of approximately 17 mm, indicating that techniques relying on P-wave morphology discrimination are likely imprecise in the atria.
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