Which electrode is located in the fifth intercostal space, left mid axillary?

The electrode located in the fifth intercostal space at the left mid axillary line is V6. This position is important for accurate ECG lead placement, as it helps to assess the heart's electrical activity from the lateral perspective.

To clarify, V6 is placed at the left mid axillary line and corresponds to the fifth intercostal space. This placement allows for an optimal view of the lateral wall of the left ventricle. Accurate placement of the V6 electrode is crucial for comprehensive cardiac monitoring, especially during an ECG, where detailed information about the heart's rhythm and potential abnormalities is gathered.

In contrast, V4 is typically located at the fifth intercostal space at the midclavicular line, V5 is positioned at the anterior axillary line in the same horizontal plane as V4, and V3 is placed between V2 and V4 at the fifth intercostal space. Each of these electrodes has specific anatomical locations and roles in mapping the heart's electrical activity, which underscores the importance of knowing their correct placements.