The impulses received through various combinations of electrodes constitute different ________, or views of the electrical activity of the heart, that are recorded on the ECG.

Electrodes

Conductive materials or devices that are used to establish electrical contact with a nonmetallic part of a circuit, often found in batteries or medical devices.

Leads

In the context of electrocardiography, it refers to the specific configurations of electrodes on the body to record the electrical activity of the heart from different angles.

Electrical Activity

The movement of electrical charges or currents, often referring to such phenomena in the nervous system or the heart.