lead (1)

lead (1) is a topic covered in the Taber's Medical Dictionary.

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(lēd)
[Old English laedan, to guide]

1. Insulated wires connecting a monitoring device to a patient.
2. A conductor attached to an electrocardiograph. The three limb leads are lead I, right arm to left arm; lead II, right arm to left leg; lead III, left arm to left leg. These are also known as standard leads, bipolar limb leads, or indirect leads.
SEE: electrocardiogram for illus

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