unipolar lead


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Related to unipolar lead: precordial leads

unipolar lead

Etymology: L, unus + polus, pole; AS, laedan, to lead
1 an electrocardiographic conductor in which the exploring electrode is placed on the precordium or a limb while the indifferent electrode is in the central terminal.
2
Usage notes: (informal)
a tracing produced by such a lead on an electrocardiograph.

unipolar lead

An electrocardiographic lead in which one electrode is placed over the precordium, and the other over a different region of the body, e.g., a leg or the lower abdomen.
See also: lead
References in periodicals archive ?
While the low incidence of diaphragmatic stimulation with unipolar leads has always been desirable, now patients can receive the benefits of true bipolar lead pacing, which include low pacing thresholds and V-V timing that stimulates more natural heart rhythms.
The enhanced Ventricular AutoCapture pacing system now provides compatibility with unipolar leads, in addition to the standard bipolar leads capability.