Threshold

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Threshold

References in periodicals archive ?
It measured atrial pacing threshold automatically and regularly every 8 or 24 h for out-of-clinic use and immediately by user initiated threshold search for in-clinic use.
This study investigated the effect of severity, distribution of CAD and left ventricular ejection fraction (LVEF) on acute ventricular pacing threshold and lead impedance at the time of either antibradycardic pacemaker (PM) or implantable cardiac defibrillator (ICD) implantations in our institution for various indications.
Pacing threshold, R wave and impedance of ventricular lead during implant were 0.
Key words: pacemakers, longevity, pulse amplitude, pulse width, pacing threshold
on April 17, provides steroid-elution, a time-released delivery of a steroid near the pacing electrode, which is intended to improve the long-term pacing threshold.
It also is steroid-eluting, which may help suppress inflammation of heart tissue that could cause detrimental changes in a patient's pacing threshold.
In addition, ACC is also the only such feature to automatically adjust its minimal energy output based on the patient's pacing threshold, a physician-selected safety margin, and a clinically appropriate minimum output.
As with any implantable device, certain risks still exist, such as device dislodgment, inadequate pacing thresholds and perforation into the pericardium--the sac surrounding the heart.
The findings, which assessed device performance and patient outcomes through 12-months of follow-up, show pacing thresholds (0.