Key result
Bipolar sensing outperforms unipolar sensing in avoiding FFRS during rest and exercise.
Why the study?
Are far field R wave sensing (FFRS) amplitude thresholds and timing characteristics consistent across different daily life conditions (supine, standing, exercise) in patients with DDD pacemakers?
Population
42 patients with a DDD pacemaker
Comparison
Measurement of far field R wave sensing… vs Supine position vs standing and peak exercise…
Design
Cross-sectional
Authors
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Supine FFRS measurements may suffice for DDD pacemaker programming; leaves open prospective validation of bipolar sensing consistency across conditions.
Observational (n=42)
Are far field R wave sensing (FFRS) amplitude thresholds and timing characteristics consistent across different daily life conditions (supine, standing, exercise) in patients with DDD pacemakers?
Measurements of far field R wave sensing made in the supine position are sufficient to predict its presence or absence under different daily life conditions.
Frank Cools (2003) conducted an observational in Patients with a DDD pacemaker (n=42). Bipolar sensing and different body positions (standing, exercise) vs. Unipolar sensing and supine position was evaluated on Amplitude threshold and timing parameters of far field R wave sensing (FFRS). Bipolar sensing is superior to unipolar sensing in avoiding far field R wave sensing, with no differences in amplitude thresholds and timing across supine, standing, and peak exercise conditions.
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