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Multiple Choice

Bipolar leads are attached to which part of the body?

Bipolar leads are defined by using two electrodes to measure the heart’s electrical activity, and for these limb leads the electrodes are placed on the body's extremities. The standard arrangement uses the arms and legs to capture the electrical potential differences along the body's axis, typically with placements on the upper outer arms and on the lower legs (inner aspect). This setup forms the limb leads that give the frontal-plane view of the heart’s activity. Chest leads, by contrast, are placed on the chest and back and are not bipolar limb leads. Wrist and neck placements aren’t the conventional limb-lead sites, and thighs and shoulders aren’t the standard locations for these leads. So placing electrodes on the upper outer arms and inner lower calves matches how bipolar limb leads are positioned.

Bipolar leads are defined by using two electrodes to measure the heart’s electrical activity, and for these limb leads the electrodes are placed on the body's extremities. The standard arrangement uses the arms and legs to capture the electrical potential differences along the body's axis, typically with placements on the upper outer arms and on the lower legs (inner aspect). This setup forms the limb leads that give the frontal-plane view of the heart’s activity. Chest leads, by contrast, are placed on the chest and back and are not bipolar limb leads. Wrist and neck placements aren’t the conventional limb-lead sites, and thighs and shoulders aren’t the standard locations for these leads. So placing electrodes on the upper outer arms and inner lower calves matches how bipolar limb leads are positioned.