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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Being unaware of this unique clinical-pathological entity, we elected to explore the chest, excise the lesion to establish a diagnosis in a young patient with a rapidly enlarging mediastinal mass, and manage the perforated atrial lead. Complete excision of the pseudocyst was achieved.
Jude 5816, atrial lead Medtronic 4076, and ventricular lead Medtronic 4074) since 2010 due to sick sinus syndrome and AV block II Mobitz type 2.
In new pacemaker only ventricular lead had been introduced, atrial lead could not be introduced.
Bipolar atrial lead sensitivity and the post ventricular atrial blanking period were interrogated properly to reduce P-wave sensitivity and far-field R-wave over-sensing in order to identify atrial activities during AHRE.
If the atrial lead is placed beyond the right atrial appendage during atrial fibrillation (AF), assessment of adequate lead fixation might be challenging.
After cardiac surgery, an atrial lead ECG from the pacemaker wire can be helpful.
Due to the still significant risk of additional complications associated with the atrial lead, implantation of a dual-chamber ICD is restricted by current guidelines for indications that require additional pacing capabilities.
After an active screw-in fixation atrial lead was positioned at the inter-atrial septum, a DDD pacemaker (Sensia, Medtronic Inc., Minneapolis, MN, USA) was implanted successfully using the standard technique.
"The findings suggest that for some indications, we should continue to practice as we have, but for other indications we should take a long and hard look before adding or revising a lead, especially when an atrial lead is added for 'soft' indications.
A subsequent chest X-ray displayed the atrial lead in proper position and the ventricular lead well within the left ventricular silhouette (Figure 2).
The right atrial lead was noted to have unusually high impedance of 2175 ohms and no capture on testing at voltages as high as 7.5 mV.

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