The lead of ECG marked as X is called?
And. B. V4R15 - Lead ECGV4R - 5th intercostal space midclavicular line (same as V4 but on the other side)V8 - On the back, 5th intercostal space midscapular line.V9 - On the Back, 5th intercostal space between V8 and the spine
Lewis lead
V4R
aVR
Vg
Heart, Circulation, and Blood