| An electrical conductor designed for measuring the electrical activity of and/or to provide pacing signals to the interior of the heart; some electrodes are used to provide electric (e.g., radio-frequency) energy to ablate cardiac tissue. It is usually a very small electrode capable of detecting weak bioelectrical signals and/or to provide high electrical energy; it is typically located at or near the tip of cardiac [e.g., electrophysiology (EP), pacing, ablation] catheters. |
