Augmented Vector Foot

**Semantic type:** Spatial Concept

**Definition:** An augmented unipolar electrocardiogram limb lead in which the positive (red) electrode is situated on the left pelvic limb and the negative electrode is a combination of the right thoracic limb (white) electrode and the left thoracic limb (black) electrode. Measures the electrical activity of the electrode on the left pelvic limb.

**Synonyms:** - LEAD aVF