Where is the V6 electrode placed for a 12 lead ECG?

The V6 electrode is placed in the fifth intercostal space at the left mid axillary line. This placement is crucial for obtaining an accurate representation of the heart's electrical activity in the lateral part of the left ventricle. Positioning the V6 electrode in this location allows it to best capture the electrical signals that are generated from the heart as it contracts and relaxes.

Placing the electrode at the left mid axillary line in the fifth intercostal space positions it appropriately to align with the heart’s natural electrical axis, ensuring the best possible view of the left lateral wall during a 12-lead ECG. This placement is consistent with standard 12-lead ECG protocols, which are designed to provide a comprehensive view of the heart's electrical activity from multiple angles.