unipolar limb lead

unipolar limb lead
any unipolar array in which the exploring electrode is placed on a limb; designated VF, VL, and VR. In practice, it is usually modified; see augmented unipolar limb l.

Medical dictionary. 2011.

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Look at other dictionaries:

  • augmented unipolar limb lead — a unipolar limb lead that has been modified by disconnecting the input of the limb to the central terminal, increasing the voltage output; the three standard leads are designated aVF, aVL, and aVR …   Medical dictionary

  • limb lead — an array in which any registering electrodes are attached to limbs; it may be unipolar or bipolar …   Medical dictionary

  • unipolar lead — an array of two electrodes, one of which is an exploring electrode attached either to a limb (unipolar limb l.) or to the chest (V l s) while the other, an indifferent electrode contributing no input, uses a central terminal as reference point …   Medical dictionary

  • aVF lead — an augmented unipolar limb lead in which the positive (exploratory) electrode is on the left leg …   Medical dictionary

  • aVL lead — an augmented unipolar limb lead in which the positive (exploratory) electrode is on the left arm …   Medical dictionary

  • aVR lead — an augmented unipolar limb lead in which the positive (exploratory) electrode terminal is on the right arm …   Medical dictionary

  • 12-lead electrocardiography — electrocardiography performed using the twelve standard leads: the three standard bipolar limb leads, the three augmented unipolar limb leads (aVF, aVL, and aVR), and the six standard precordial leads (V1 to V6) …   Medical dictionary

  • aVF — unipolar limb lead on the left leg in electrocardiography …   Medical dictionary

  • aVK — unipolar limb lead on the left arm in electrocardiography …   Medical dictionary

  • aVR — unipolar limb lead on the right arm in electrocardiography …   Medical dictionary

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