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EKG
Types of Leads
| Question | Answer |
|---|---|
| Cable is designated as the ground. | The right leg |
| These 10 electrodes are used to evaluate | 12 different pathways of the heart’s electrical activity |
| Standard leads (Limb leads) | bipolar leads Right arm (RA), left arm (LA), right leg (RL), and left leg (LL) |
| Augmented leads | unipolar leads They directly monitor only one electrode |
| aVR- | Records heart's activity to the right arm, usually produces a negative deflection |
| aVL- | Records the heart's activity to the left arm |
| aVF- | Records the heart's activity to the left leg. |
| The augmented leads are derived from | the same three electrodes as leads I, II, and III, |
| 10 lead wires | Three standard leads, Three augmented leads, and Six chest leads |
| aV stands for | Augmented vector |