atrial lead

atrial lead

Cardiology A pacing lead designed to be used in–endocardial, or on–epicardial, the atria; endocardial atrial leads are often J-shaped to facilitate placement in the atrial appendage. See Lead. Cf Ventricular lead.
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References in periodicals archive ?
Additionally, the writing group evaluated the utility of an atrial lead in a patient requiring ICD therapy without cardiac resynchronization therapy (CRT).
Implanting multiple leads in the heart has been shown to increase the risk of complications,2 and the use of dual-chamber devices in patients without a clear indication for the additional atrial lead has received a great deal of attention in recent months.
The atrial lead impedance was >3200 ohms, and no capture was noted on the atrial or ventricular leads at maximal output.
A subsequent chest X-ray displayed the atrial lead in proper position and the ventricular lead well within the left ventricular silhouette (Figure 2).
His intrinsic atrioventricular nodal disease would have prevented a rapid ventricular response, but the atrial lead of the pacemaker sensed many of the fibrillatory waves, thus causing rapid pacing of the ventricles.
OptiSense(TM) lead - The first atrial lead to incorporate a unique tip design (with a shorter tip-to-ring spacing of 1.
Jude Medical's unique AF Suppression(TM) algorithm significantly reduced atrial fibrillation (AF) in patients with a history of AF, and that even better results can be obtained with placement of the atrial lead in the low atrial septum.
Narrow tip-to-ring spacing (bipolar models only), which helps minimize the detection of inappropriate signals, potentially reducing inappropriate mode switching for atrial lead models.

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